IEEE 802.3cd-2018
Amendment 3: Media Access Control Parameters for 50 Gb/s and Physical Layers and Management Parameters for 50 Gb/s, 100 Gb/s, and 200 Gb/s Operation
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Language: English
License Type: Single User
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About This Item
802.3cd-2018 is a technical standard for Ethernet media access control parameters and physical layer management related to 50 Gb/s operation, with coverage extending to 50 Gb/s, 100 Gb/s, and 200 Gb/s systems. It is relevant to communication, networking, broadcast, and computing applications where high-speed data transfer must be defined consistently. As a superseded 802.3cd-2018 document, it provides a reference point for design, interoperability, and testing of very high-speed network links.
What is 802.3cd-2018?
802.3cd-2018 defines an amendment within the IEEE 802.3 Ethernet family focused on media access control parameters for 50 Gb/s operation and physical layer management parameters for 50 Gb/s, 100 Gb/s, and 200 Gb/s links. In practical terms, it helps specify how high-speed Ethernet components and interfaces should behave so equipment from different vendors can work together more reliably. The document is useful for understanding the technical requirements associated with advanced Ethernet transmission rates and related management functions.
Where is 802.3cd-2018 used?
This standard is typically used in high-speed networking environments such as data center switches, server interconnects, backbone Ethernet equipment, and other communications hardware that must support 50 Gb/s and higher link rates. It is also relevant in engineering workflows for selecting interfaces, verifying compatibility, and planning deployments where bandwidth and management behavior matter. 802.3cd-2018 is especially useful when evaluating components or systems intended for modern packet-based networking infrastructure.
Why is 802.3cd-2018 important?
802.3cd-2018 matters because it supports consistent implementation and evaluation of very high-speed Ethernet features across products and systems. For engineering teams, it can help reduce interoperability risk, improve procurement clarity, and support repeatable testing against defined requirements. In environments where network capacity and link behavior are critical, the standard provides a technical baseline for design control and comparison. Even as a superseded document, 802.3cd-2018 remains valuable for reference and legacy context.
- 50 Gb/s Ethernet MAC parameters
- Physical layer management requirements
- 100 Gb/s and 200 Gb/s operation context
- High-speed networking interoperability
- Superseded IEEE 802.3 amendment
- Publication Date: 2019
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Communication, Networking and Broadcast Technologies; Components, Circuits, Devices and Systems; Computing and Processing
- Official IEEE: Doi link
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