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Interconnecting network processors with heterogeneous fabrics

  • US 7,573,876 B2
  • Filed: 12/05/2002
  • Issued: 08/11/2009
  • Est. Priority Date: 12/05/2002
  • Status: Active Grant
First Claim
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1. A method to translate a protocol, comprising:

  • receiving at least one first packet created in accordance with a first protocol as defined by an Infiniband Specification;

    determining a packet type for said first packet, said packet type comprising a Backward Event Congestion Notification (BECN) packet;

    selecting a second protocol as defined by a Common Switch Interface (CSIX) Specification based on said packet type; and

    translating said at least one first packet to at least one second packet in accordance with said second protocol, said translating comprising;

    retrieving a Local Route Header (LRH) having BECN information in a BECN message field from said first packet;

    retrieving a network address and congestion control information from said BECN information, said congestion control information having a first portion and a second portion;

    mapping said network address to a CSIX destination address field of said second packet;

    mapping said first portion to a CSIX speed field of said second packet; and

    mapping said second portion to a CSIX class field of said second packet.

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