Advancements in Multi-Gigabit Ethernet: Standards, Infrastructure, and Applications

Abstract

The exponential growth in digital data generation, coupled with the escalating demands of contemporary network-intensive applications and the pervasive adoption of high-bandwidth devices, has rendered traditional Gigabit Ethernet (1GbE) increasingly insufficient. This paradigm shift has necessitated a pivotal evolution in Ethernet technologies, leading to the emergence of Multi-Gigabit Ethernet (mGig) standards. Specifically, 2.5GBASE-T and 5GBASE-T, formally ratified under IEEE 802.3bz, have been instrumental in addressing the critical performance chasm between conventional 1GbE and the considerably higher-speed, often more infrastructure-demanding, alternatives such as 10GBASE-T. A hallmark of these mGig standards is their remarkable capacity to leverage existing twisted-pair copper cabling infrastructure, notably Category 5e (Cat5e) and Category 6 (Cat6), thereby facilitating substantial data rate enhancements without imposing the prohibitive costs and disruptive complexities associated with comprehensive infrastructure overhauls. This comprehensive research paper undertakes an exhaustive exploration of mGig technologies, meticulously detailing their underlying technical specifications, deciphering the intricate requirements of the requisite networking infrastructure—encompassing advanced switches, versatile network interface cards (NICs), and appropriate cabling solutions—and rigorously evaluating the profound real-world impact of these technologies across diverse operational domains. The analysis extends to critical applications such as accelerating large file transfers, optimizing the performance of virtualized workloads in data center environments, and revolutionizing professional workflows, particularly in bandwidth-intensive sectors like 4K and 8K video production. By furnishing a granular and holistic analysis, this study endeavors to empower network professionals, IT strategists, and organizational decision-makers with the requisite knowledge and strategic insights for the judicious and efficacious implementation of mGig Ethernet solutions, thereby fostering resilient, high-performance, and future-ready network infrastructures.

Many thanks to our sponsor Esdebe who helped us prepare this research report.

1. Introduction

The contemporary digital landscape is characterized by an insatiable demand for bandwidth, driven by an unprecedented surge in data generation and consumption. Factors such as the proliferation of cloud computing, the widespread adoption of streaming services, the burgeoning ecosystem of the Internet of Things (IoT), the increasing complexity of artificial intelligence (AI) and machine learning (ML) workloads, and the constant evolution of collaborative professional environments have collectively exerted immense pressure on foundational network infrastructures. Traditional Gigabit Ethernet (1GbE), once the ubiquitous standard for enterprise and consumer connectivity, has progressively demonstrated its limitations, often becoming a significant bottleneck in environments where aggregate throughput or instantaneous peak bandwidth requirements routinely exceed its 1 Gbps capacity. This constraint manifests as increased latency, diminished application responsiveness, and a general degradation of user experience, particularly in scenarios involving large data transfers or concurrent high-bandwidth activities.

Recognizing this critical performance gap, the networking industry initiated efforts to bridge the divide between 1GbE and the significantly faster, yet often more costly and infrastructurally demanding, 10 Gigabit Ethernet (10GbE). While 10GbE over twisted-pair copper (10GBASE-T) has been available for some time, its stringent cabling requirements—specifically Category 6a (Cat6a) or higher for full 100-meter reach—often necessitate extensive and costly re-cabling projects for organizations with legacy Cat5e or Cat6 installations. It was this economic and logistical hurdle that catalyzed the development of intermediate speed grades, culminating in the Multi-Gigabit Ethernet (mGig) standards.

Formally ratified as IEEE 802.3bz in 2016, mGig introduced 2.5 Gigabit Ethernet (2.5GBASE-T) and 5 Gigabit Ethernet (5GBASE-T), offering nominal data rates of 2.5 Gbps and 5 Gbps, respectively. The pivotal innovation driving these standards is their ability to achieve these elevated speeds over pre-existing twisted-pair copper cabling, specifically Category 5e and Category 6, for distances up to 100 meters under typical operating conditions. This capability represents a significant advancement, empowering organizations to cost-effectively enhance network performance and expand bandwidth capacity without incurring the substantial financial outlay, operational disruption, and environmental impact associated with tearing out and replacing perfectly functional copper cabling. Consequently, mGig technologies have emerged as a strategic imperative for businesses, educational institutions, and residential users seeking a pragmatic and high-impact solution to evolving network demands, ensuring future-proof connectivity while optimizing capital expenditure and operational efficiency.

Many thanks to our sponsor Esdebe who helped us prepare this research report.

2. Technical Standards of Multi-Gigabit Ethernet

2.1 NBASE-T Technology and the IEEE 802.3bz Standard

The core technological innovation underpinning Multi-Gigabit Ethernet is NBASE-T, a signaling technology that forms the foundation of the IEEE 802.3bz standard. Prior to NBASE-T, the transition from 1GbE to 10GbE over copper presented a significant leap in complexity, primarily due to the vastly increased signaling rates required for 10GBASE-T (1000 Mbps per pair) which necessitated superior cabling like Cat6a to manage increased crosstalk and noise. NBASE-T was conceived to deliver intermediate speeds by intelligently adapting 10GBASE-T signaling techniques to work reliably over a broader range of installed copper cables.

At its heart, NBASE-T utilizes a complex physical layer (PHY) operating at a lower signaling rate than 10GBASE-T, yet still significantly higher than 1GbE. While 10GBASE-T uses a symbol rate of 800 Mbaud and transmits 12.5 bits per symbol (using a 16-level pulse amplitude modulation, PAM-16, with complex encoding), NBASE-T achieves 2.5 Gbps and 5 Gbps by effectively ‘down-clocking’ this sophisticated signaling. Specifically, for 2.5GBASE-T and 5GBASE-T, the signaling rate is adjusted to 200 Mbaud and 400 Mbaud, respectively, compared to 10GBASE-T’s 800 Mbaud. This reduction in signaling frequency significantly mitigates the impact of frequency-dependent impairments such as crosstalk (Near-End Crosstalk – NEXT, and Far-End Crosault – FEXT) and return loss, which become progressively more challenging at higher frequencies.

Key to NBASE-T’s robustness is its reliance on advanced digital signal processing (DSP) techniques. The transceivers on both ends of an NBASE-T link employ highly sophisticated DSP algorithms to compensate for cable impairments, including:

• Echo Cancellation: Mitigates signals reflected back towards the transmitter due to impedance mismatches.
• Crosstalk Cancellation (NEXT and FEXT): Actively cancels out interference from adjacent twisted pairs within the same cable or from neighboring cables (Alien Crosstalk, AX-NEXT, AX-FEXT).
• Equalization: Compensates for signal attenuation and distortion over varying cable lengths and qualities.
• Forward Error Correction (FEC): Adds redundant information to the data stream, enabling the receiver to detect and correct a certain number of errors without retransmission, thereby improving link reliability and reducing retransmissions.

These DSP engines continuously monitor the link’s quality and dynamically adjust parameters, a process known as ‘link training’, to establish and maintain the highest possible stable connection speed (2.5 Gbps or 5 Gbps) given the specific cable characteristics and environmental conditions. This adaptive capability allows NBASE-T devices to automatically negotiate the optimal speed based on the connected device’s capabilities and the quality of the copper link. If a Cat5e cable cannot reliably sustain 5 Gbps due to excessive noise or length, the link can automatically fall back to 2.5 Gbps, and if that is also not feasible, it will further step down to 1 Gbps, 100 Mbps, or even 10 Mbps, ensuring broad backward compatibility and operational flexibility. This intelligent auto-negotiation process is crucial for seamless integration into existing network environments without requiring manual configuration or extensive cable certification beyond initial installation checks.

The NBASE-T Alliance, a consortium of industry leaders, played a pivotal role in driving the development and adoption of this technology, ensuring interoperability and accelerating the standardization process that culminated in IEEE 802.3bz. This collaborative effort was instrumental in bringing 2.5GBASE-T and 5GBASE-T to market as viable, cost-effective solutions for bandwidth expansion.

2.2 Cabling Requirements and Considerations

The defining characteristic and primary economic advantage of mGig Ethernet is its ability to operate over existing twisted-pair copper cabling, specifically Category 5e (Cat5e) and Category 6 (Cat6). However, the successful deployment of mGig is critically dependent on the quality and installation integrity of this cabling.

Category 5e (Cat5e): Standard Cat5e cabling is typically rated for 1 Gbps (1000BASE-T) over distances up to 100 meters. For 2.5GBASE-T, the standard specifies reliable operation over Cat5e cabling up to 100 meters. This is achievable because 2.5GBASE-T utilizes a lower signaling rate (200 Mbaud) compared to 10GBASE-T, making it less susceptible to the higher-frequency impairments that limit Cat5e’s 10GBASE-T capabilities. While 5GBASE-T can technically operate over Cat5e, its reliable distance is often significantly reduced, typically to around 50-70 meters, and its performance is more sensitive to cable quality, installation practices, and the presence of alien crosstalk. For guaranteed 5GBASE-T performance at 100 meters, Cat5e is generally not recommended, and organizations should consider Cat6 or Cat6a.

Category 6 (Cat6): Cat6 cabling offers enhanced specifications compared to Cat5e, particularly in terms of crosstalk performance and bandwidth. It features tighter twists, often a spline separator, and is tested to higher frequencies (250 MHz compared to Cat5e’s 100 MHz). This superior performance allows Cat6 to reliably support 5GBASE-T over distances up to 100 meters. It can also support 10GBASE-T, albeit typically limited to around 37-55 meters depending on the amount of alien crosstalk.

Category 6a (Cat6a): While not strictly required for mGig, Cat6a (augmented Category 6) cabling, rated up to 500 MHz, provides even greater headroom and robust performance. For 5GBASE-T deployments, especially in challenging electromagnetic environments or where future upgrades to 10GBASE-T are anticipated, Cat6a offers superior reliability and reduced sensitivity to installation imperfections. It is fully specified for 10GBASE-T at 100 meters.

Critical Factors Influencing Performance: Beyond the cable category itself, several critical factors influence the actual performance of mGig over twisted-pair copper:

• Installation Quality: Proper termination (minimal untwisting of pairs), adherence to bend radius limits, secure connections, and correct cable routing are paramount. Poor installation practices can introduce significant noise and signal degradation, severely impacting performance or even preventing a link from establishing at higher speeds.
• Cable Length: While 100 meters is the maximum specified length, performance can degrade over longer distances, especially for 5GBASE-T over Cat5e. Shorter runs generally offer more reliable performance.
• Environmental Noise: Electromagnetic interference (EMI) from power lines, fluorescent lights, and other electrical equipment can introduce noise and affect signal integrity. Shielded cables (STP/FTP) can offer some protection in very noisy environments, but proper grounding is essential for their effectiveness.
• Patch Cables and Connectivity Hardware: The quality of patch cables, patch panels, and wall jacks must match or exceed that of the horizontal cabling. Low-quality components can introduce significant impairments, negating the benefits of superior bulk cabling.
• Alien Crosstalk (AXT): This refers to interference from adjacent cables or bundles. While not a significant concern for 1GbE, AXT can be a limiting factor for 5GBASE-T, especially in densely packed cable trays. Proper cable management and spacing can mitigate this.

For organizations considering mGig upgrades, it is highly recommended to perform a thorough cable plant assessment. Professional cable certification tools (e.g., those from Fluke Networks) can test existing Cat5e and Cat6 cabling against 2.5GBASE-T and 5GBASE-T link models, identifying segments that can reliably support the higher speeds and flagging those that may require remediation or replacement. This proactive approach minimizes deployment risks and ensures expected performance gains.

In scenarios where higher data rates beyond 5 Gbps are required or distances exceed 100 meters, fiber optic solutions become necessary. While offering superior bandwidth, distance, and immunity to EMI, fiber comes with increased material costs, specialized installation expertise, and typically higher equipment costs (e.g., SFP+ transceivers). mGig’s value proposition lies precisely in avoiding these elevated costs by maximizing the utility of existing copper infrastructure.

Many thanks to our sponsor Esdebe who helped us prepare this research report.

3. Networking Infrastructure for Multi-Gigabit Ethernet

To fully harness the capabilities of Multi-Gigabit Ethernet, a holistic approach to network infrastructure modernization is essential. This involves upgrading or deploying key components that are explicitly designed to support and optimize mGig speeds.

3.1 Multi-Gigabit Switches

At the core of any mGig deployment are network switches equipped with ports that support 2.5 Gbps and 5 Gbps speeds. These switches represent a significant upgrade from traditional Gigabit Ethernet switches and are designed with specific features to handle the higher bandwidth and processing demands.

Key Features and Considerations:

• Auto-Negotiation (IEEE 802.3ab): All mGig switch ports must support sophisticated auto-negotiation. This crucial feature allows the switch port to automatically detect and dynamically adjust to the optimal speed (100 Mbps, 1 Gbps, 2.5 Gbps, 5 Gbps, or 10 Gbps) and duplex mode (half or full) based on the connected device’s capabilities and the detected quality of the copper cabling. The auto-negotiation process involves a ‘link training’ phase where the PHYs at both ends of the link exchange information and adapt their signaling parameters to achieve the highest stable speed. This ensures seamless interoperability with a wide range of devices, from legacy 1GbE devices to modern mGig-capable clients and even 10GbE uplinks.
• Port Density and Uplinks: mGig switches are available with varying port densities, typically ranging from 8 to 48 ports, to cater to different deployment scales. Many mGig switches also include dedicated 10GbE SFP+ or copper ports for uplinks to the network core, aggregation layer, or servers, ensuring that the increased bandwidth at the access layer does not create a bottleneck further up the network hierarchy. Some advanced models may even feature 25GbE or 40GbE uplink options for future scalability.
• Power over Ethernet (PoE) Support: A substantial number of mGig switches integrate Power over Ethernet (PoE) capabilities, as discussed in Section 3.3. This is particularly beneficial for connecting high-bandwidth wireless access points (e.g., Wi-Fi 6/6E), which often require more power than standard PoE+ can provide and benefit greatly from mGig speeds. The switch’s total PoE power budget and per-port power delivery capabilities are critical specifications.
• Management Capabilities: mGig switches can range from unmanaged (plug-and-play, no configuration) to smart managed (basic web-based GUI, limited features) to fully managed (CLI, advanced features like VLANs, QoS, L3 routing, stacking). For enterprise environments, fully managed switches offer greater control, security, and scalability.
• Quality of Service (QoS): With increased bandwidth, it becomes even more critical to ensure that latency-sensitive applications (e.g., VoIP, video conferencing) receive priority. mGig switches should support robust QoS mechanisms (e.g., 802.1p, DiffServ) to prioritize traffic based on application, user, or device.
• Fanless Design and Noise: For deployments in quieter environments like offices or classrooms, fanless mGig switches are increasingly popular due to their silent operation. However, higher-port-count or high-PoE-budget switches may require active cooling.
• Energy Efficiency: As part of Green Ethernet initiatives, modern mGig switches incorporate energy-efficient features such as EEE (Energy Efficient Ethernet), which reduces power consumption during periods of low link utilization.

When selecting mGig switches, organizations must consider their current and future bandwidth requirements, the types of devices to be connected, PoE needs, management preferences, and overall network architecture. Deploying mGig switches strategically in the access layer, particularly where high-bandwidth endpoints like Wi-Fi 6/6E APs, high-performance workstations, or networked storage are located, can yield immediate and tangible performance benefits.

3.2 Network Interface Cards (NICs)

End devices, including servers, high-performance workstations, network-attached storage (NAS) systems, and even some advanced desktop computers, require Network Interface Cards (NICs) that are capable of supporting mGig speeds. Without compatible NICs, even the most capable mGig switch will only communicate at a lower common denominator speed, typically 1 Gbps.

Key Features and Considerations:

• Speed Support: mGig NICs are designed to operate at 2.5 Gbps and 5 Gbps, and critically, they are backward compatible with 1 Gbps, 100 Mbps, and 10 Mbps speeds. This ensures seamless integration into existing network environments and provides flexibility during phased upgrades.
• Form Factors: mGig NICs are available in various form factors:
  • PCIe Expansion Cards: These are the most common for servers and workstations, offering direct connection to the system’s high-speed PCIe bus. Available in single, dual, or even quad-port configurations, they provide dedicated bandwidth to the host system.
  • Integrated Motherboard NICs: Many newer motherboards, especially those aimed at enthusiasts or professional users, now include integrated mGig Ethernet controllers. These offer a convenient, space-saving solution.
  • USB Ethernet Adapters: For laptops or devices without available PCIe slots, USB-C to mGig adapters are emerging, leveraging the high throughput of USB 3.0/3.1/3.2 (SuperSpeed) to provide mGig connectivity. Performance can be limited by the USB bus and CPU overhead.
• Chipsets and Driver Support: The choice of NIC chipset (e.g., Intel, Realtek, Aquantia/Marvell) can influence performance, driver maturity, and compatibility with various operating systems (Windows, macOS, Linux distributions, VMware ESXi). Reliable and up-to-date drivers are crucial for optimal performance and stability.
• Advanced Features: Many mGig NICs incorporate advanced features that enhance network performance and efficiency, particularly in server and virtualized environments:
  • Jumbo Frames: Support for Ethernet frames larger than the standard 1500 bytes (typically up to 9000 bytes) can reduce CPU overhead and improve throughput for large data transfers, especially beneficial for NAS and virtual machine traffic.
  • TCP Offload Engine (TOE): Offloads TCP/IP processing from the host CPU to the NIC, freeing up CPU cycles for other tasks and improving overall system performance.
  • Virtualization Support (SR-IOV, VT-c): Single Root I/O Virtualization (SR-IOV) allows virtual machines to directly access network hardware resources, bypassing the hypervisor’s virtual switch and significantly reducing latency and CPU overhead in virtualized environments.
  • PXE Boot: Preboot eXecution Environment support enables network booting for OS deployment and remote management.
• Power Consumption and Cooling: While modern NICs are energy-efficient, higher-speed NICs can generate more heat. Passive cooling (heat sinks) is common for single-port cards, while multi-port server NICs may include small fans.

For servers, multiple mGig ports can be utilized for link aggregation (LAG) to further increase aggregate bandwidth and provide failover redundancy. For workstations, a single mGig port is typically sufficient, but the internal system architecture, particularly the PCIe bus generation and lane allocation, can impact the NIC’s ability to fully utilize its theoretical bandwidth. A PCIe 3.0 x1 slot, for example, might be sufficient for 2.5 Gbps but could bottleneck a 5 Gbps or 10 Gbps connection.

3.3 Power over Ethernet (PoE) with Multi-Gigabit Ethernet

One of the most compelling advantages of integrating mGig Ethernet with Power over Ethernet (PoE) capabilities lies in its ability to simplify network deployments and reduce infrastructure costs. PoE technology allows network devices to receive both electrical power and data through a single standard Ethernet cable, eliminating the need for separate power outlets and dedicated electrical wiring for edge devices.

Evolution of PoE Standards:

• IEEE 802.3af (PoE): The original standard, providing up to 15.4 W of DC power per port (12.95 W available to the powered device, PD). Suitable for VoIP phones, basic IP cameras, and traditional wireless access points.
• IEEE 802.3at (PoE+): An evolution of 802.3af, delivering up to 30 W per port (25.5 W to the PD). This standard supports more power-hungry devices like pan-tilt-zoom (PTZ) IP cameras, video phones, and higher-power Wi-Fi APs (e.g., early Wi-Fi 5 models).
• IEEE 802.3bt (PoE++, 4PPoE): The latest standard, significantly increasing power delivery by utilizing all four twisted pairs in an Ethernet cable. It defines two new types:
  • Type 3 (PoE++): Provides up to 60 W per port (51 W to the PD).
  • Type 4 (PoE++): Delivers up to 90 W per port (71 W to the PD).

These higher power levels are crucial for powering a new generation of high-bandwidth, feature-rich devices that also require substantial power. The synergy between mGig speeds and higher PoE capabilities is particularly impactful for:

• Wi-Fi 6 (802.11ax) and Wi-Fi 6E/7 Access Points: These advanced wireless APs demand significantly higher throughput (often exceeding 1 Gbps) to deliver their full potential, especially with multiple concurrent users. They also require more power to operate their multiple radios, advanced antennas, and powerful chipsets. mGig provides the necessary backhaul bandwidth, while PoE++ supplies the ample power, making single-cable deployment feasible even for the most demanding APs.
• High-Resolution IP Cameras: Modern surveillance cameras, especially 4K/8K models with advanced analytics, night vision, and PTZ capabilities, consume more power than older models. mGig provides the bandwidth for uncompressed or minimally compressed video streams, while PoE++ ensures reliable power.
• Thin Clients and Mini PCs: In virtual desktop infrastructure (VDI) environments, thin clients can be powered directly via PoE++, simplifying desk installations and reducing cable clutter.
• LED Lighting and Smart Building Sensors: The advent of intelligent lighting systems and comprehensive sensor networks (for HVAC, occupancy, environmental monitoring) leverages PoE for both power and data, enabling centralized control and automation. mGig can support the aggregate data generated by such extensive sensor networks.
• Digital Signage and Kiosks: High-resolution displays and interactive kiosks can be powered and connected via a single mGig PoE cable, simplifying installation in public spaces.

Benefits of Integrated mGig PoE:

• Reduced Installation Costs: Eliminates the need for AC power outlets at endpoint locations, reducing electrical wiring costs and labor.
• Deployment Flexibility: Devices can be placed wherever an Ethernet cable can be run, independent of power outlet availability, offering greater freedom in network design.
• Centralized Power Management: PoE switches enable remote power cycling of devices, energy scheduling, and real-time power consumption monitoring, enhancing operational control and energy efficiency.
• Enhanced Reliability: In conjunction with an uninterruptible power supply (UPS) for the switch, PoE devices can continue to operate during power outages.
• Simplified Cabling Infrastructure: A single cable handles both data and power, leading to cleaner installations and easier troubleshooting.

However, implementing high-power PoE alongside mGig requires careful planning. Higher power delivery can lead to increased heat generation within cable bundles, potentially affecting signal integrity and cable longevity if not properly managed (e.g., adhering to cable bundle size limits). Furthermore, the total power budget of the mGig PoE switch must be adequately sized to accommodate all connected powered devices. Despite these considerations, the combined capabilities of mGig and advanced PoE standards offer a highly efficient and future-proof solution for powering and connecting a wide array of modern network devices.

Many thanks to our sponsor Esdebe who helped us prepare this research report.

4. Real-World Impact of Multi-Gigabit Ethernet

The strategic deployment of Multi-Gigabit Ethernet significantly transcends mere theoretical bandwidth increases; it translates directly into tangible improvements across a multitude of real-world applications and professional workflows. By alleviating network bottlenecks that are increasingly common with 1GbE, mGig enhances productivity, streamlines operations, and enables capabilities previously impractical or impossible.

4.1 Large File Transfers

One of the most immediate and impactful benefits of mGig Ethernet is the dramatic acceleration of large file transfers. In virtually every sector, the volume and size of digital data continue to escalate. From scientific datasets and high-resolution media files to virtual machine images and comprehensive database backups, the need to move multi-gigabyte or even terabyte-scale files efficiently is paramount.

Quantifiable Impact:
Consider the time required to transfer a 100 GB file:
* Over 1GbE (assuming 90% real-world efficiency): approximately 15 minutes.
* Over 2.5GbE (90% efficiency): approximately 6 minutes.
* Over 5GbE (90% efficiency): approximately 3 minutes.

For a 1 TB dataset:
* Over 1GbE: approximately 2.5 hours.
* Over 2.5GbE: approximately 1 hour.
* Over 5GbE: approximately 30 minutes.

These improvements are not merely incremental; they are transformational for organizations that routinely handle vast quantities of data. Specific use cases include:

• Network-Attached Storage (NAS) and Storage Area Networks (SAN): mGig significantly improves throughput for accessing shared storage. This is critical for centralized data repositories where multiple users or applications concurrently read from and write to the same storage system. For creative professionals, this means working directly off shared storage without copying files locally, or experiencing smoother playback of high-bitrate media.
• Backup and Recovery: Accelerating backup operations reduces backup windows, ensuring data protection can occur more frequently without impacting production systems. Faster recovery times minimize downtime in the event of data loss or system failure.
• Data Migration: For organizations undergoing infrastructure upgrades or data center relocations, mGig can drastically cut down the time required to migrate large datasets between servers or storage arrays.
• Software Deployment and Updates: Distributing large software packages, operating system images, or application updates to multiple endpoints across a network is considerably faster, reducing deployment times and network congestion.
• Scientific Research and Data Analytics: Researchers working with massive datasets (e.g., genomics, climate modeling, particle physics) often need to move data between high-performance computing (HPC) clusters, analysis workstations, and archival storage. mGig provides the necessary pipeline for such demanding data flows.

In essence, mGig mitigates the ‘network latency paradox’ where powerful compute and storage resources are bottlenecked by insufficient network bandwidth. The ability to transfer large files swiftly enhances productivity, reduces idle time, and supports more agile operational workflows.

4.2 Virtualized Workloads

Virtualization technologies have become a cornerstone of modern data centers, allowing multiple virtual machines (VMs) to run concurrently on a single physical server, maximizing hardware utilization and offering unprecedented flexibility. However, this consolidation inherently places immense pressure on network resources.

Network Demands of Virtualization:

• Inter-VM Communication: VMs running on the same host often communicate with each other, generating internal network traffic that must traverse the virtual switch. If the physical NIC connecting the host to the external network is saturated, this internal communication can be impacted.
• VM Migration (e.g., VMware vMotion, Live Migration): Moving a running VM from one physical host to another requires transferring the entire VM’s memory and state across the network, which can consume significant bandwidth and take considerable time over 1GbE.
• Shared Storage Access: Many virtualized environments rely on network-attached storage (NFS, iSCSI, SMB3) for VM disk images. All I/O operations from all VMs on a host must traverse the network to reach the storage, making the network a critical component of storage performance.
• Virtual Desktop Infrastructure (VDI): VDI solutions consolidate desktop environments onto central servers. User interactions, screen updates, and application traffic all rely on the network. Insufficient bandwidth can lead to sluggish performance, screen tearing, and a poor user experience.

How mGig Addresses Virtualization Challenges:

mGig Ethernet significantly alleviates the network throughput demands of virtualized environments by providing a wider pipe between the hypervisor host and the rest of the network, including shared storage. This increased bandwidth directly translates to:

• Improved VM Density: With more available network bandwidth per host, organizations can safely consolidate more virtual machines onto fewer physical servers without experiencing network-induced performance degradation. This optimizes hardware utilization and reduces operational costs.
• Faster VM Migration: The ability to migrate VMs (e.g., for maintenance, load balancing, or disaster recovery) in minutes rather than tens of minutes or hours significantly improves operational agility and reduces service disruption.
• Enhanced Shared Storage Performance: mGig provides the necessary throughput to handle the aggregated I/O from multiple VMs accessing shared storage, minimizing latency and maximizing application responsiveness. This is particularly crucial for databases and high-transaction applications running in VMs.
• Superior VDI User Experience: For VDI environments, mGig ensures that the network is no longer a bottleneck for delivering a responsive and fluid desktop experience, even for demanding applications or multimedia content.
• Reduced CPU Overhead: By providing higher bandwidth, mGig can sometimes allow the network stack to be less aggressive in its use of CPU cycles for packet processing, indirectly benefiting VM performance.

By ensuring that virtualized workloads perform optimally, mGig helps maintain the responsiveness and reliability of critical applications and services, making it an indispensable component for modern virtual data centers and cloud infrastructures.

4.3 Professional Workflows (e.g., 4K/8K Video Editing, CAD, Medical Imaging)

Many professional workflows are inherently data-intensive and demand extremely high throughput and low latency. Multi-Gigabit Ethernet provides a crucial upgrade for these sectors, transforming previously bottlenecked operations into fluid, efficient processes.

4K/8K Video Editing and Post-Production:

The world of video production has rapidly transitioned to ultra-high-definition (UHD) formats like 4K, 6K, and increasingly 8K. Uncompressed or lightly compressed video streams require enormous bandwidth. For instance:
* An uncompressed 4K video stream (UHD, 60fps, 10-bit color) can exceed 10 Gbps of raw data.
* Even professional compressed formats like ProRes 422 HQ (4K, 60fps) can require ~2.5 Gbps.

Working with these files over a 1GbE connection typically necessitates copying files locally, creating low-resolution proxies, or suffering severe performance degradation. mGig Ethernet fundamentally changes this paradigm:

• Direct Editing Off NAS/SAN: Editors can work directly off centralized network-attached storage or a SAN, even with high-bitrate 4K or 5K footage, without the need for time-consuming local copies or proxies. This enables real-time playback, scrubbing, and editing of multiple video streams.
• Collaborative Workflows: Teams of editors, colorists, and visual effects artists can simultaneously access and work on the same project files from a centralized repository, greatly enhancing collaboration and reducing version control issues.
• Faster Rendering and Export: While rendering is primarily CPU/GPU bound, the transfer of source material and the saving of final renders benefit immensely from increased network speed, reducing project turnaround times.
• Reduced Latency: For complex timelines with multiple layers and effects, the ability to rapidly stream required data from storage to the workstation reduces latency and improves the overall responsiveness of editing software.

Other Bandwidth-Intensive Professional Applications:

• Computer-Aided Design (CAD) and Engineering: Engineers and architects work with increasingly complex 3D models and large assembly files. Collaborating on these files, syncing design changes, and loading intricate models over 1GbE can be painfully slow. mGig enables faster file access and smoother collaborative design processes.
• Medical Imaging: Hospitals and diagnostic centers handle massive image files from MRI, CT, and X-ray scans (DICOM images). Rapid transfer of these high-resolution images to diagnostic workstations, archives, or for telemedicine consultations is critical. mGig facilitates quicker access to patient data, improving diagnostic efficiency and patient care.
• Game Development: Game studios manage vast repositories of art assets, code, and build files. Syncing these large files across development teams and distributing game builds to testing environments are significantly accelerated by mGig, streamlining the development pipeline.
• Scientific Visualization and Simulation: Researchers often generate massive datasets from simulations (e.g., fluid dynamics, molecular modeling) that require real-time visualization or rapid transfer to specialized rendering workstations. mGig provides the necessary bandwidth for interactive exploration of these complex datasets.

In these professional environments, where time is money and large files are the norm, mGig Ethernet is not just a convenience but a necessity. It empowers professionals to work more efficiently, collaborate seamlessly, and leverage cutting-edge tools and data formats, ultimately driving innovation and productivity.

Many thanks to our sponsor Esdebe who helped us prepare this research report.

5. Challenges and Considerations

While Multi-Gigabit Ethernet offers compelling advantages, its successful implementation is not without challenges. Addressing these considerations proactively is crucial for maximizing the benefits and ensuring a robust, high-performance network.

5.1 Cabling Quality and Installation Integrity

The fundamental premise of mGig—leveraging existing Cat5e and Cat6 cabling—is also its primary vulnerability. The performance of mGig Ethernet is extraordinarily sensitive to the underlying quality of the installed cabling infrastructure and the meticulousness of its installation. Unlike 1GbE, which is relatively forgiving of minor cable imperfections, 2.5GBASE-T and especially 5GBASE-T push the limits of these copper categories, making them highly susceptible to various forms of signal degradation:

• Near-End Crosstalk (NEXT) and Far-End Crosstalk (FEXT): These are the primary internal impairments in twisted-pair cabling. If cable pairs are untwisted excessively at terminations (e.g., at patch panels or wall jacks), or if cheap, non-standard cables are used, crosstalk increases significantly, leading to data errors and speed reductions.
• Return Loss (RL): Occurs when impedance mismatches along the cable (e.g., due to sharp bends, poor connectors, or inconsistent cable impedance) cause a portion of the transmitted signal to be reflected back towards the source. High return loss can severely impact the ability of transceivers to reliably decode signals.
• Insertion Loss: The natural attenuation of the signal strength over cable length. While mGig PHYs have advanced equalization, excessive length or poor cable quality can lead to signals becoming too weak to reliably transmit.
• Alien Crosstalk (AXT): Interference from adjacent cables within a bundle or in closely routed conduits. While the advanced DSP in mGig transceivers can cancel some internal crosstalk, AXT from external sources can be more challenging, particularly for 5GBASE-T.
• Poor Termination Practices: Incorrectly terminated cables, such as those with untwisted pairs at the connector or excessive sheath removed, introduce discontinuities that severely degrade signal quality. Using the correct T568A or T568B wiring standard consistently throughout the installation is also vital.
• Substandard Components: Using low-quality patch cables, patch panels, or wall jacks that do not meet Cat5e or Cat6 specifications can introduce bottlenecks and noise, even if the bulk cable is high quality.

Mitigation Strategies: To mitigate these challenges, organizations should:

• Cable Certification: Invest in professional cable certification tools (e.g., Fluke Networks Versiv series) to test and certify existing Cat5e/6 runs against the IEEE 802.3bz standards. This identifies problematic links that require remediation or replacement.
• Best Installation Practices: Ensure that all new and existing cabling adheres to industry best practices for twisted-pair installation, including proper bend radius, secure terminations, and avoiding proximity to EMI sources.
• Component Quality: Use high-quality, certified patch cables and connectivity hardware that match or exceed the category of the bulk cabling.

Without proper cable quality and installation, the promise of mGig may not be fully realized, leading to unreliable connections or fallback to lower speeds.

5.2 Distance Limitations

Like all twisted-pair Ethernet standards, mGig is subject to distance limitations, primarily due to signal attenuation and the accumulation of noise over longer cable runs. The specified maximum effective distance for 2.5GBASE-T and 5GBASE-T over Cat5e and Cat6 cabling is 100 meters (328 feet). This includes the entire channel, from the switch port, through patch panels, horizontal cabling, and patch cords to the end device.

Implications:

• Large Campuses/Multi-Floor Buildings: For large facilities or multi-story buildings, many cable runs may exceed 100 meters. In such scenarios, mGig cannot provide the intended performance, and alternative solutions must be considered.
• Signal Attenuation: Beyond 100 meters, the signal strength degrades significantly, making it difficult for the receiver to accurately interpret the data, leading to increased bit errors and retransmissions, or a complete loss of connection at higher speeds.
• Interference Accumulation: Over longer distances, the cumulative effect of internal and external noise sources becomes more pronounced, further compromising data integrity.

Solutions for Exceeding Distance Limits:

• Fiber Optic Backbone: For runs exceeding 100 meters, a fiber optic backbone is the standard solution. This involves terminating mGig segments with fiber optic uplinks from mGig switches to a central fiber distribution point, which then connects to other parts of the network or other buildings.
• Media Converters: While less common for modern mGig deployments, media converters can translate copper Ethernet signals to fiber optic signals for extended distances, though they add complexity and an additional point of failure.
• Strategic Placement of mGig Switches: Deploying mGig switches closer to endpoint devices can effectively shorten the individual copper runs, keeping them within the 100-meter limit.

Understanding these distance limitations is crucial for network planning, especially in environments with geographically dispersed devices or extensive cabling infrastructure.

5.3 Compatibility and Interoperability

Achieving optimal mGig performance requires a cohesive ecosystem where all network components are compatible and interoperable with the mGig standards. Any weak link in the chain can compromise the entire connection:

• Component Compatibility: All active components—switches, network interface cards (NICs), and any intermediary devices like media converters or repeaters—must explicitly support IEEE 802.3bz (2.5GBASE-T/5GBASE-T). Relying on older hardware that claims ‘future-proofing’ without explicit mGig support can lead to disappointing results.
• Firmware and Driver Updates: Even with compatible hardware, outdated firmware on switches or network adapter drivers on endpoints can lead to performance issues, unstable connections, or incorrect auto-negotiation. Regular updates are essential.
• Vendor Interoperability: While the IEEE 802.3bz standard aims for broad interoperability, minor differences in vendor implementations can sometimes lead to obscure issues. Reputable vendors generally adhere strictly to standards, but it’s wise to verify compatibility, especially in mixed-vendor environments.
• Backward Compatibility: While mGig is designed to be backward compatible with 1GbE and 100MbE, ensuring that auto-negotiation functions flawlessly across all speeds is important. In rare cases, manual speed settings might be required for troubleshooting.

Best Practices:

• Holistic Upgrade Strategy: Plan for an upgrade that encompasses all relevant network components, from the access layer switch to the end-device NICs.
• Thorough Testing: Before a full-scale deployment, conduct pilot tests with a small set of mGig-enabled devices and switches to verify interoperability and performance in your specific environment.
• Reputable Vendors: Stick to well-known vendors with a track record of standards compliance and good support for their mGig product lines.

5.4 Power and Cooling Considerations

The move to higher speeds and the increased adoption of higher-power PoE standards (PoE++) introduce new power and cooling challenges that must be addressed, particularly in network closets and data centers.

• Increased Power Consumption: mGig switches and NICs, especially those with advanced DSP engines and high-density PoE++ ports, consume more power than their 1GbE counterparts. This translates to higher operational costs and increased heat generation.
• Heat Dissipation: Higher power consumption leads to greater heat dissipation. In environments with inadequate ventilation or cooling, this can lead to equipment overheating, reduced lifespan, and potential performance degradation or outages. Network closets might need upgraded cooling solutions.
• Cable Heating (PoE++): When high-power PoE++ is delivered over all four pairs in an Ethernet cable, especially in large, dense cable bundles, the cables themselves can experience a temperature rise. This heating can negatively impact signal integrity (attenuation increases with temperature) and potentially reduce the long-term reliability of the cable if not managed. Adhering to cable bundle size limits specified by cabling standards is crucial.

Planning for Power and Cooling:

• Power Budgeting: Accurately calculate the power requirements for mGig switches and connected PoE devices to ensure sufficient power supply capacity.
• Thermal Management: Assess and potentially upgrade cooling infrastructure in network closets and server rooms to handle the increased heat load.
• Cable Management: Implement proper cable management practices to prevent overly dense bundles, especially for PoE++ deployments, to allow for adequate heat dissipation.

5.5 Cost-Benefit Analysis and ROI

While mGig is marketed as a cost-effective alternative to full 10GbE fiber rollouts, a comprehensive cost-benefit analysis is essential. The total cost of ownership (TCO) extends beyond the initial purchase price of switches and NICs.

• Hardware Costs: mGig switches and NICs are generally more expensive than their 1GbE equivalents, though significantly less costly than fiber-based 10GbE solutions. The price differential can vary widely based on port density, PoE capabilities, and management features.
• Installation and Remediation Costs: While re-cabling is largely avoided, the cost of cable certification, testing, and potential remediation of problematic Cat5e/6 runs should be factored in. This can involve labor costs for IT technicians or external contractors.
• Power and Cooling Costs: The increased power consumption and potentially higher cooling demands contribute to ongoing operational costs.
• Return on Investment (ROI): The tangible ROI of mGig comes from increased productivity due to faster file transfers, reduced downtime for VM migrations, improved application responsiveness, and the ability to support next-generation wireless technologies without expensive re-cabling. Organizations should quantify these benefits in terms of labor savings, enhanced service delivery, or competitive advantage.

By carefully considering these challenges and implementing appropriate mitigation strategies, organizations can ensure a smooth and successful transition to Multi-Gigabit Ethernet, unlocking its full potential for enhanced network performance and operational efficiency.

Many thanks to our sponsor Esdebe who helped us prepare this research report.

6. Future Outlook

The trajectory of network technology continues its relentless ascent, driven by ever-increasing data volumes and the emergence of new, bandwidth-hungry applications. Multi-Gigabit Ethernet, while a significant advancement, represents an important intermediate step in this evolution. Its future development and adoption will be shaped by ongoing research, evolving standards, and the dynamic interplay between cost, performance, and infrastructure requirements.

6.1 Higher-Speed Standards Evolution

While 2.5GBASE-T and 5GBASE-T provide a crucial bridge, the industry’s pursuit of even higher speeds over twisted-pair copper is continuous. The progression of Ethernet standards indicates a clear path towards:

• 10GBASE-T (IEEE 802.3an): This standard, preceding 802.3bz, offers 10 Gbps over copper. While originally requiring Category 6a or higher for full 100-meter reach, advancements in PHY technology and DSP continue to optimize its performance and reduce power consumption, making it more viable for server-to-switch and switch-to-switch connections.
• 25GBASE-T and 40GBASE-T (IEEE 802.3bq): These standards extend Ethernet speeds to 25 Gbps and 40 Gbps over twisted-pair copper, specifically requiring Category 8 (Cat8) cabling. Cat8 is a new class of balanced twisted-pair cabling designed for data center applications, limited to distances of 30 meters. While not for general enterprise use, it demonstrates the ongoing push for higher speeds over copper in specialized environments.

The strategic role of mGig in this continuum is to provide a cost-effective upgrade path for the vast installed base of Cat5e/6 cabling that cannot reliably support 10GBASE-T at 100 meters. As applications demand more, mGig offers a logical next step before the more substantial investment in 10GBASE-T (over Cat6a or fiber) or even higher speeds becomes necessary. It represents a ‘sweet spot’ for current needs, balancing performance with infrastructure cost.

6.2 Enhanced PoE Capabilities

The capabilities of Power over Ethernet are expected to continue expanding to meet the growing power demands of intelligent edge devices. As Wi-Fi 7 (802.11be) access points become prevalent, requiring even more power for their advanced radio arrays, and as smart building technologies (e.g., smart lighting fixtures, advanced environmental sensors, integrated security systems) become more sophisticated, the need for higher PoE power will intensify. Future advancements may include:

• Higher Power Classes: Research into standards beyond 90W (PoE Type 4) could emerge, although cable heating and safety regulations will become increasingly significant limiting factors.
• Dynamic Power Allocation: More intelligent PoE switches will dynamically allocate power based on real-time device needs, optimizing energy consumption and improving efficiency.
• DC Microgrids: The concept of delivering direct current (DC) power over Ethernet for an entire building, forming a localized DC microgrid, could gain traction. This would simplify power distribution, improve energy efficiency by reducing AC-DC conversions, and potentially enable new applications for building automation and IoT devices.

The integration of increasingly powerful PoE with mGig speeds will further simplify deployments and enable more comprehensive digital transformation initiatives across various industries.

6.3 Integration with Fiber Optic Solutions

The future network architecture will increasingly feature hybrid solutions that intelligently combine the strengths of both copper and fiber optic cabling. While mGig champions the continued relevance of copper at the edge, fiber remains indispensable for specific applications and network segments:

• Core and Distribution Layers: Fiber optic cabling will continue to dominate the network core and distribution layers within data centers, large campuses, and between buildings due to its unparalleled bandwidth, immunity to electromagnetic interference (EMI), and vastly superior distance capabilities.
• High-Density Server Connectivity: For servers requiring 10 Gbps, 25 Gbps, 40 Gbps, 100 Gbps, or even 400 Gbps connectivity, fiber optic solutions (e.g., SFP+, SFP28, QSFP+, QSFP-DD) are the prevailing choice, offering lower latency and higher throughput density than copper.
• Tiered Network Architectures: mGig will perfectly complement these fiber backbones, acting as the high-speed access layer. A typical architecture might involve a fiber core and distribution network, with mGig switches extending connectivity to high-bandwidth endpoints over existing copper cabling. This approach balances cost, performance, and scalability, allowing organizations to select the most appropriate medium for each segment of their network.

6.4 Software-Defined Networking (SDN) and Network Automation

As network infrastructures become more complex with mixed speeds and diverse device types, Software-Defined Networking (SDN) and network automation will become critical for efficient management. mGig provides the necessary underlying bandwidth to fully realize the benefits of SDN:

• Centralized Control: SDN allows for centralized control and management of network devices, including mGig switches, enabling dynamic configuration, policy enforcement, and traffic engineering across the network.
• Network Slicing: The increased bandwidth from mGig enables more effective network slicing, where logical network segments are created to provide dedicated resources for specific applications or user groups, ensuring performance isolation and optimized resource allocation.
• Intent-Based Networking (IBN): Future networks will be more intent-based, meaning administrators define desired outcomes, and the network automatically configures itself to achieve them. The flexibility and bandwidth provided by mGig will be crucial for implementing such sophisticated automation.

6.5 Emerging Applications

The continued evolution of mGig, alongside higher-speed standards, will directly enable and accelerate the adoption of a new wave of applications and technologies:

• Augmented Reality (AR) / Virtual Reality (VR): These immersive technologies demand extremely low latency and high throughput for real-time rendering and interaction. mGig provides a robust local network foundation for tethered and untethered AR/VR experiences.
• Edge AI/ML Processing: As AI and machine learning workloads increasingly move to the network edge for faster inference, mGig can provide the necessary bandwidth for rapid data ingestion from sensors and quick results dissemination to edge devices.
• Advanced IoT and Sensor Networks: Large-scale IoT deployments with high-resolution sensors (e.g., for environmental monitoring, industrial automation, smart cities) will generate vast amounts of data that mGig can efficiently aggregate and transport.
• Cloud Gaming and High-Fidelity Streaming: Beyond traditional video, the demand for cloud-based gaming and high-fidelity, interactive streaming experiences will push the limits of local network capabilities, making mGig a valuable asset for a seamless user experience.

In conclusion, Multi-Gigabit Ethernet is not merely a stopgap but a strategically vital technology that will continue to play a crucial role in the evolving network landscape. Its ability to provide significant performance gains over existing infrastructure, coupled with its support for advanced PoE, positions it as a key enabler for current and future digital demands, paving the way for even higher speeds and more sophisticated network architectures.

Many thanks to our sponsor Esdebe who helped us prepare this research report.

7. Conclusion

Multi-Gigabit Ethernet, as embodied by the 2.5GBASE-T and 5GBASE-T standards of IEEE 802.3bz, represents a profoundly significant advancement in network technology, strategically positioned to address the escalating bandwidth requirements of the contemporary digital era. Its core value proposition lies in its unique capacity to deliver substantially enhanced data rates—2.5 Gbps and 5 Gbps—over the vast, pre-existing installed base of Category 5e and Category 6 twisted-pair copper cabling. This capability elegantly sidesteps the formidable financial and logistical burdens traditionally associated with full-scale infrastructure overhauls required for 10 Gigabit Ethernet, thereby offering a highly pragmatic and cost-effective upgrade path for organizations worldwide.

This paper has meticulously explored the multifaceted aspects of mGig Ethernet. We delved into the sophisticated technical underpinnings of NBASE-T technology, detailing its reliance on advanced digital signal processing, multi-level modulation (PAM-16), and robust error correction mechanisms that enable reliable high-speed data transmission over challenging copper environments. The critical importance of cabling quality and installation integrity was highlighted, underscoring that the theoretical performance of mGig is inextricably linked to the physical layer’s health and adherence to best practices. Furthermore, we examined the essential components of a mGig-capable network infrastructure, including intelligent auto-negotiating switches with robust PoE capabilities, versatile network interface cards equipped with advanced offload features, and the synergistic benefits of integrating mGig with evolving Power over Ethernet standards for powering a new generation of high-bandwidth edge devices like Wi-Fi 6/6E access points.

The real-world impact of mGig is demonstrably transformative. It dramatically accelerates large file transfers, fundamentally altering workflows in data-intensive sectors such as media production, scientific research, and enterprise backup operations. In virtualized environments, mGig alleviates critical I/O bottlenecks, enhancing virtual machine density, accelerating VM migrations, and improving overall application responsiveness. For professional workflows, particularly in 4K/8K video editing, CAD/CAM, and medical imaging, mGig enables real-time collaboration and direct access to high-resolution assets over the network, streamlining processes that were once severely hampered by network limitations.

While acknowledging challenges such as stringent cabling quality requirements, inherent distance limitations of copper, and the necessity for holistic compatibility across network components, these considerations are manageable through diligent planning, professional testing, and strategic component selection. The future outlook for mGig is robust; it serves as a critical bridge to higher copper speeds (like 10GBASE-T and beyond), complements fiber optic backbones in hybrid architectures, and provides the essential bandwidth foundation for emerging applications in areas like AR/VR, edge AI, and advanced smart building technologies. The continued evolution of PoE will further enhance its utility, cementing its role as a fundamental enabler for intelligent, connected environments.

In conclusion, the strategic adoption of Multi-Gigabit Ethernet is not merely an incremental upgrade but a pivotal investment towards a more resilient, efficient, and future-ready network infrastructure. By understanding its technical standards, infrastructure requirements, and diverse real-world applications, organizations can effectively leverage mGig to meet the evolving demands of modern networking, secure a significant competitive advantage, and lay a robust foundation for continuous technological advancement.

Many thanks to our sponsor Esdebe who helped us prepare this research report.

References

• IEEE 802.3bz-2016: IEEE Standard for Ethernet—Physical Layer and Management Parameters for 2.5 Gb/s and 5 Gb/s Operation over Balanced Twisted-Pair Cabling. IEEE. (2016).
• The NBASE-T Alliance. (n.d.). ‘What is NBASE-T?’. Retrieved from https://nbaset.org/what-is-nbase-t/
• TechTarget. (n.d.). ‘What is NBASE-T Ethernet?’. Retrieved from https://www.techtarget.com/searchnetworking/definition/NBASE-T-Ethernet/
• Elektor Magazine. (2018). ‘NBASE-T: 5 Gbps over CAT6.’ Retrieved from https://www.elektormagazine.com/news/nbase-t-5-gbps-over-cat6
• Bel Fuse. (n.d.). ‘How Multi-rate Ethernet Enables Higher Speeds at Lower Cost.’ Retrieved from https://www.belfuse.com/resource-library/blog/how-multi-rate-ethernet-enables-higher-speeds-at-lower-cost
• TrainACE. (n.d.). ‘Ethernet Cabling Standards.’ Retrieved from https://blog.trainace.com/glossary/ethernet-cabling-standards
• FS Community. (n.d.). ‘Multi-Gigabit Networking Basics and Why You Need It.’ Retrieved from https://community.fs.com/article/what-is-an-nbase-t-switch-and-how-can-you-benefit-from-it.html/
• Guru3D. (2016). ‘CAT5 and CAT6 Network Cables Will Support 5 Gbps Ethernet.’ Retrieved from https://www.guru3d.com/story/cat5-and-cat6-network-cables-will-support-5-gbps-ethernet/
• Cable Knowledge. (n.d.). ‘Exploring the Advantages of NBASE-T Ethernet.’ Retrieved from https://cableknowledge.com/nbase-t/
• Arora, A., Guiang, J., Davila, D., et al. (2023). ‘400Gbps benchmark of XRootD HTTP-TPC.’ arXiv preprint arXiv:2312.12589. Retrieved from https://arxiv.org/abs/2312.12589
• Fluke Networks. (n.d.). ‘Multi-Gigabit Ethernet: Testing Cat 5e and Cat 6 Cabling for 2.5GBASE-T and 5GBASE-T’. Retrieved from https://www.flukenetworks.com/knowledge-base/ethernet-testing/multi-gigabit-ethernet-testing-cat-5e-and-cat-6-cabling-2-5gbase-t-and
• Cisco Systems. (n.d.). ‘Catalyst 9300 Series Switches Data Sheet’. Retrieved from https://www.cisco.com/c/en/us/products/collateral/switches/catalyst-9300-series-switches/nb-06-cat9300-ser-data-sheet-cp-ulo-en.html
• IEEE 802.3bt-2018: IEEE Standard for Ethernet – Amendment 2: Physical Layer and Management Parameters for DTE Power via MDI over 4-Pair Balanced Twisted-Pair Cabling. IEEE. (2018).