Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2005-01-25
2005-01-25
Odland, David E. (Department: 2662)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S392000, C711S216000
Reexamination Certificate
active
06847647
ABSTRACT:
A computer network has two or more switches and a plurality of links. A first machine and a second machine are interconnected by the network in such a way that there exist multiple paths through the network from an N_Port of the first machine to an N_Port of the second machine. Network traffic from the N_Port of the first machine to the N_Port of the second machine is distributed between the multiple paths such that frames related to any single exchange traverse the same path yet frames of a first exchange need not traverse the same path as frames of a second exchange. Frames of each exchange therefore tend to be received by their destination in order with respect to other frames of that exchange, while they are not necessarily received in-order with respect to frames of other exchanges.
REFERENCES:
patent: 5592472 (1997-01-01), Grant et al.
patent: 6310881 (2001-10-01), Zikan et al.
patent: 6401128 (2002-06-01), Stai et al.
American National Standard for Information Technology, Fiber Channel: Switch Fabric (FC-SW) rev 3.3, Oct. 1997.*
American National Standard for Information Systems, Fiber Channel: Physical and Signalling Interface-2 (FC-PH-2) rev 7.4, Sep. 1996.
Hewlett--Packard Development Company, L.P.
Odland David E.
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