An Overview of Operations, Administration, and Maintenance (OAM) Mechanisms

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Last updated 2012-05-15 (latest revision 2009-10-07)
Replaced by RFC 7276
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


Operations, Administration, and Maintenance (OAM) is a general term that refers to detecting and reporting link failures. OAM mechanisms have been defined for various layers in the protocol stack, and are used with a variety of protocols. This document presents an overview of the OAM mechanisms that have been defined and are currently being defined by the IETF, as well as a comparison to other OAM mechanisms that have been defined by the IEEE and ITU-T.


Tal Mizrahi (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)