Host buffer queues
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United States of America Patent
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Issued Date -
Jul 20, 2006
app pub date -
Jan 19, 2005
filing date -
Jan 19, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The preferred embodiment of present invention is directed to an improved method and system for buffering incoming/unsolicited data received by a host computer that is connected to a network such as a storage area network. Specifically, in a host computer system in which the main memory of the host server maintains a I/O control block command ring, and which a connective port (e.g., a host bus adaptor) is operatively coupled to the main memory for handling I/O commands received by and transmitted from the host server, a host buffer queue (HBQ) is maintained for storing a series of buffer descriptors retrievable by the port for writing incoming/unsolicited data to specific address locations within the main memory. In an alternative embodiment of the present invention, multiple HBQs are maintained for storing buffer entries dedicated to different types and/or lengths of data, where each of the HBQ can be separately configured to contain a selection profile describing the specific type of data for which the HBQ is dedicated to service.
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