In the first standard with the name IEEE It had the same speed as the previous Ethernet II standard, but the "Type" field was replaced by a "Length" field.
There are a multitude of additions and revisions to the Other notable standards are By: Justin Stoltzfus Contributor, Reviewer. By: Satish Balakrishnan. Browse Titles. What is IEEE A collection of standards for the definition of Ethernet. Ethernet is the most known wired network technology. Find more terms and definitions using our Dictionary Search. IEEE Encyclopedia of Information Science and Search inside this book for more research materials. This project implements editorial and technical corrections, refinements, and clarifications to Clause , Power over Data Lines PoDL of Single-Pair Ethernet, and related portions of the standard.
No new features are added by this project. Administratively withdrawn December Abstract methods for the conformance testing of These Physical Layers include optical fiber and voice grade copper cable Physical Medium Dependent sublayers PMDs for point-to-point connections in subscriber access networks. In addition, a mechanism for network Operations, Administration and Maintenance OAM is included to facilitate network operation and troubleshooting.
Clause 69 provides an overview of Ethernet operation over electrical backplanes. Clause 70 through Clause 72 define three new PMDs developed for operation over electrical backplanes. Clause 73 specifies an Auto-Negotiation function for use over electrical backplanes. This corrigendum clarifies and corrects isolation text including harmonization for both powered and unpowered Medium Dependent Interfaces. When communicating over a data network, the Ethernet system divides the data into a set of what are termed frames.
These frames have a specific format and each one contains the source and destination addresses. The frame also contains information for error checking so that any data that is corrupted can be detected.
If errors are detected then typically the higher layers of the protocol stack for the system will discard the data and request a re-transmission. Ethernet adopts the OSI model for its protocol stack and in line with this, Ethernet itself provides services up to Layer 3, the data link layer.
Ethernet has adopted the 48 bit MAC address format that has also been used by other IEEE standards and int his way there is commonality across many standards making it much easier for various data networking systems to operate alongside each other. There are versions of Ethernet that are used for higher grade performance associated with large metro or wider area networks. Metro Ethernet and carrier Ethernet are two terms that are often used.
Metro Ethernet and Carrier Ethernet are now well established variants used by many carriers and service providers to allow businesses to have high performance interconnections over dedicated or shared high performance Ethernet resources. Although Ethernet data networking was originally introduced in the s it has undergone a continual process of update. This has enabled the basic concept to be maintained, whilst enabling it to provide the performance levels needed as technology and connectivity requirements increase.
Ethernet technology is used for data networking for everything from home computer networking right up to enterprise data networks where carrier Ethernet is used to carry high levels of data. Ethernet cables and connectors in patch panel Ethernet history The Ethernet standard was first developed by the Xerox Corporation as an experimental coaxial cable based system in the s.
Carrier Ethernet. Shopping on Electronics Notes Electronics Notes offers a host of products are very good prices from our shopping pages in association with Amazon. Note: Electronics Notes receives a small commission on sales at no cost to you. Selected Video What is a Spectrum Analyzer?
0コメント