Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2008-01-29
2008-01-29
Qureshi, Afsar (Department: 2616)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S389000, C370S412000
Reexamination Certificate
active
11008799
ABSTRACT:
A method for coalescing acknowledge packets within a server is disclosed. A Read Request queue having multiple queue pair entries is provided. Each of the queue pair entries includes a packet sequence number (PSN) field and an indicator field. In response to a receipt of a Write Request packet, an indicator field of a queue pair entry is set to indicate that an Ack packet has been queued within the queue pair entry, and a PSN of the Write Request packet is written into a PSN field of the queue pair entry. In addition, a Queue Write Pointer is maintained to point to the queue pair entry. In response to a receipt of a Read Request packet, the indicator field of the queue pair entry is set to indicate that a Read Request packet has been queued within the queue pair entry, and a PSN of the Read Request packet is written into the PSN field of the queue pair entry. Also, the Queue Write Pointer is advanced to point to a queue pair entry that is subsequent to the queue pair entry.
REFERENCES:
patent: 6944170 (2005-09-01), Minkenberg
patent: 7133943 (2006-11-01), Carnevale et al.
patent: 2004/0167992 (2004-08-01), Carnevale et al.
Fuhs Ronald E.
Paynton Calvin C.
Rogers Steven L.
Sellin Nathaniel P.
Willenborg Scott M.
Dillon & Yudell LLP
Qureshi Afsar
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