Method and system for reducing deadlock in fibre channel fabrics using virtual lanes
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United States of America Patent
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Jul 21, 2009
Issued Date -
N/A
app pub date -
Mar 11, 2004
filing date -
Feb 5, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A method and system for processing fibre channel frames is provided. The method includes, assigning a virtual lane for a frame based on a hop count for the frame; determining if the assigned virtual lane has available credit; and transmitting the frame if credit is available. The system includes, a fibre channel fabric switch element including a receive port for receiving fibre channel frames, which includes a look up table to assign a virtual lane based on a hop count of the frame; and a transmit port that receives a primitive with the assigned virtual lane by the receive port and the transmit port includes a credit control module that determines if an assigned virtual lane can transmit a frame based on available credit.
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