Transaction flow control in PCI express fabric
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United States of America Patent
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Sep 13, 2011
Grant Date -
Feb 5, 2009
app pub date -
Jul 31, 2007
filing date -
Jul 31, 2007
priority date (Note) -
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Abstract
A computer-executed method for controlling transaction flow in a network comprises communicating transaction packets among a plurality of devices in a network fabric and subdividing a memory into a plurality of memory segments for storing received transaction cycles according to transaction packet type comprising posted, non-posted, and completion cycles. A plurality of transaction cycles are received in the memory segment plurality at a target device and transaction cycle priority is allocated according to transaction packet type wherein posted cycles have highest priority. Cycles are retrieved from the memory segment plurality in an order determined by priority.
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