Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Darrell Myers Shively, II0
Larry Nadeau0
Brian Lo Bue0
Date of Patent
April 28, 2009
Patent Application Number
09452285
Date Filed
November 30, 1999
Patent Primary Examiner
Patent abstract
A method and apparatus for network server recovery maintains an ongoing call by reconstructing its call context from a server-state attribute (SSA) that is generated by a first server, recorded in separate storage and retrieved by a second server in the event that a connection to the first server is interrupted. The SSA encodes call data that can be used to enable a server to maintain the call. The separate storage is preferably associated with a network access server (NAS) that does not itself use the SSA.
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