Routing scheme using preferred paths in a multi-path interconnection fabric in a storage network
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United States of America Patent
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Feb 28, 2006
Grant Date -
Jan 30, 2003
app pub date -
May 7, 2001
filing date -
May 7, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Embodiments of a routing system are disclosed, including a method for routing communications in a storage system. The storage system may include multiple nodes interconnected by an interconnection fabric that provides multiple independent paths between a source node and a destination node. Some nodes may be connected to one or more disk drives. The method may include receiving a communication to be sent from a source node to a destination node, selecting a communication path from the multiple independent paths, and sending the communication on the selected communication path. This process may be repeated so that multiple communications may be sent. Each communication path may be selected according to a preference assigned to it, so that a more preferred path is selected more often than a less preferred path.
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