IEEE 802.3by-2016
Amendment 2: Media Access Control Parameters, Physical Layers, and Management Parameters for 25 Gb/s Operation Amendment 2: Media Access Control Parameters, Physical Layers, and Management Parameters for 25 Gb/s Operation
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About This Item
802.3by-2016 is a superseded technical standard for 25 Gb/s operation, defining amendment-level guidance for media access control parameters, physical layers, and management parameters. It is relevant to high-speed Ethernet design and evaluation where consistent link behavior, interoperability, and management reporting matter. For engineers and procurement teams working with networking components, circuits, devices, and systems, this document helps identify the requirements that shaped 25 Gb/s implementations and supports informed compliance review.
About 802.3by-2016
This standard is an amendment to the 802.3 family focused on Media Access Control parameters, Physical Layers, and Management Parameters for 25 Gb/s operation. In practical terms, it addresses how fast Ethernet links are defined, operated, and managed at this data rate. The specification is useful when comparing equipment capabilities, reviewing interface behavior, or checking whether a design aligns with the expected technical framework for 25 Gb/s Ethernet-based connections.
Where is 802.3by-2016 used?
802.3by-2016 is commonly referenced in high-speed network hardware and related system design work, especially where 25 Gb/s interfaces are considered for switches, adapters, transceivers, and backplane or cabling-linked equipment. It may also be used during specification review for integrated networking components in industrial and computing environments. Because it covers MAC, physical layer, and management parameters, it is relevant to teams assessing link compatibility, test requirements, and device integration at this speed.
Importance in practice
In practice, 802.3by-2016 helps bring clarity to how 25 Gb/s Ethernet implementations should behave, which supports consistent design decisions and more reliable testing. For buyers and engineering teams, it can reduce uncertainty when comparing products or validating claimed performance. Since it is marked superseded, it is especially useful for legacy documentation review, traceability, and understanding the technical basis of earlier 25 Gb/s solutions without assuming current revision status.
- 25 Gb/s Ethernet amendment scope
- MAC, PHY, and management parameters
- High-speed link interoperability
- Legacy compliance reference
- Publication Date: 2016
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems
- Official IEEE: Doi link
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