System and method for monitoring end nodes using ethernet connectivity fault management (CFM) in an access network
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United States of America Patent
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Mar 30, 2010
Grant Date -
Jul 20, 2006
app pub date -
Dec 22, 2005
filing date -
Jan 14, 2005
priority date (Note) -
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Abstract
A system and method for monitoring end nodes using Ethernet Connectivity Fault Management (CFM) in an access network. In one embodiment, a broadband access server (BRAS) is operable to generate an Ethernet CFM frame that includes a query message with respect to a particular end node. An interworking function (IWF) entity associated with an access node that services the particular end node is operable to interpret the Ethernet CFM frame and construct a corresponding query message in a native protocol compatible with the particular end node. Upon receiving a reply message from the particular end node, the IWF entity constructs a suitable reply Ethernet CFM frame for transmission to the BRAS, wherein the reply Ethernet CFM frame includes a response corresponding to the reply message from the end node.
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