Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2011-06-07
2011-06-07
Yao, Kwang B (Department: 2473)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
Reexamination Certificate
active
07957398
ABSTRACT:
Methods and systems are disclosed that relate to selecting a path for sending an I/O request from a host to a data storage subsystem from among a plurality of paths from the host to the subsystem. An exemplary method includes identifying a limitation on the traffic level for the plurality of paths, tracking a first metric corresponding to the limitation on the traffic level for each path, and transmitting a first I/O request having an urgency level other than the highest urgency level by one of the plurality of paths whose first metric does not exceed its limitation on the traffic level.
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Epstein Edith
Raizen Helen S.
Sandstrom Harold M.
Yochai Yechiel
Daly, Crowley & Mofford & Durkee, LLP
EMC Corporation
Liu Jung
Yao Kwang B
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