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Traffic management for virtual cluster switching

  • US 9,231,890 B2
  • Filed: 04/22/2011
  • Issued: 01/05/2016
  • Est. Priority Date: 06/08/2010
  • Status: Active Grant
First Claim
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1. A switch, comprising:

  • a control module adapted to;

    provide a control plane with configuration capabilities;

    join an Ethernet fabric via the control plane to become a member switch of the Ethernet fabric, wherein the Ethernet fabric incorporates one or more physical member switches functioning jointly as a single logical switch; and

    operate the Ethernet fabric as a single Ethernet switch based on the control plane; and

    a traffic management module adapted to;

    in response to determining congestion in a local queue, extract a source media access control (MAC) address of a packet in the local queue, wherein the source MAC address is encapsulated in a fabric encapsulation header, which is used to transport packets among member switches within the Ethernet fabric; and

    construct a congestion notification frame for a device corresponding to the extracted source MAC address.

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