CFM meaning in Computing ?

Answer: What is Connectivity Fault Management mean?

IEEE 802.1ag (also CFM) (IEEE Standard for Local and Metropolitan Area Networks Virtual Bridged Local Area Networks Amendment 5: Connectivity Fault Management) is a standard defined by IEEE. It defines protocols and practices for OAM (Operations, Administration, and Maintenance) for paths through 802.1 bridges and local area networks (LANs). It is an amendment to IEEE 802.1Q-2005 and was approved in 2007.

IEEE 802.1ag is copied from the earlier ITU-T Recommendation Y.1731, which additionally addresses performance monitoring.

The standard:

Defines maintenance domains, their constituent maintenance points, and the managed objects required to create and administer themDefines the relationship between maintenance domains and the services offered by VLAN-aware bridges and provider bridgesDescribes the protocols and procedures used by maintenance points to maintain and diagnose connectivity faults within a maintenance domain;Provides means for future expansion of the capabilities of maintenance points and their protocols reference

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