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Message distribution across fibre channel fabrics

  • US 7,751,341 B2
  • Filed: 10/05/2004
  • Issued: 07/06/2010
  • Est. Priority Date: 10/05/2004
  • Status: Active Grant
First Claim
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1. A method for transmitting messages across logical fibre channel fabrics, the method comprising:

  • determining that a plurality of first logical fibre channel fabric switches support a service;

    distributing messages associated with the service to the plurality of first logical fibre channel fabric switches including a first interconnecting switch that is included in both a first logical fibre channel fabric and a second logical fibre channel fabric;

    receiving replies corresponding to the distributed messages from the plurality of first logical fibre channel fabric switches, wherein receiving a reply from the first interconnecting switch indicates that the first interconnecting switch was successful in forwarding the messages to a plurality of second logical fibre channel fabric switches and aggregating responses to the distributed messages from the plurality of second logical fibre channel fabric switches before sending a reply, wherein the first interconnecting switch detects that the distributed messages do not indicate the second logical fibre channel fabric and adds a fabric identifier identifying the second logical fibre channel fabric to the forwarded messages;

    wherein the first interconnecting switch distributes messages to the plurality of second logical fibre channel fabric switches including a second interconnecting switch that is included in both the second logical fibre channel fabric and a third logical fibre channel fabric;

    wherein connecting a third interconnecting switch to the third logical fibre channel fabric does not change routing configuration information at the first interconnecting switch.

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