Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2003-12-19
2008-10-28
Pham, Chi H. (Department: 2616)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
Reexamination Certificate
active
07443847
ABSTRACT:
A system and method are disclosed for providing a fault tolerant network service. A packet is received that corresponds to a flow from a forwarding agent at a primary service manager and instructions are determined at the primary service manager for handling packets corresponding to the flow. The instructions are sent to the forwarding agent and the instructions are stored at the primary service manager. A replication packet is sent to a backup service manager. The replication packet includes the instructions for handling packets corresponding to the flow.
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Albert Mark
Howes Richard A.
Jordan James A.
Kersey Edward A.
LeBlanc William M.
Baker & Botts L.L.P.
Boakye Alexander
Cisco Technology Inc.
Pham Chi H.
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