Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2002-05-24
2010-02-02
Pham, Brenda (Department: 2416)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S360000
Reexamination Certificate
active
07656884
ABSTRACT:
An apparatus and method for a Generic Service locking mechanism that enables a Host to lock the Fibre Channel Switching Fabric of a storage area network while applying changes across the Switching Fabric of the network is disclosed. The apparatus includes a network interface configured to send and receive Fibre Channel frames across the Fabric, a session element, responsive to the network interface, and configured to establish sessions with the Fabric; and a locking element configured issue commands to establish a lock over the Fabric so that replicated information across the Fabric can be consistently updated when the session element establishes a session with the Fabric. In one embodiment of the invention, the network interface, session element and the locking element are all implemented on each Switch of the Fabric.
REFERENCES:
patent: 6785742 (2004-08-01), Teow et al.
patent: 6898184 (2005-05-01), Anderson et al.
patent: 6971016 (2005-11-01), Barnett
patent: 2002/0161955 (2002-10-01), Beukema et al.
patent: 2003/0118053 (2003-06-01), Edsall et al.
patent: 2003/0142628 (2003-07-01), Alonso et al.
“Fibre Channel Switch Fabric-2 (FC-SW-2)”, NCITS working draft, Jun. 26, 2001.
Fibre Channel Generic Services-3 (FC-GS-3), NCITS working draft, Nov. 28, 2000.
Cisco Technology Inc.
Pham Brenda
Weaver Austin Villeneuve & Sampson LLP
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