Patent ID: 7573876

Claim:
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.