Electrical computers and digital processing systems: multicomput – Computer-to-computer protocol implementing
Reexamination Certificate
2007-01-23
2010-02-16
Jean Gilles, Jude J (Department: 2443)
Electrical computers and digital processing systems: multicomput
Computer-to-computer protocol implementing
C709S236000, C709S235000, C709S250000, C709S238000, C709S228000, C709S243000, C709S232000, C709S225000, C709S220000
Reexamination Certificate
active
07664868
ABSTRACT:
An intelligent network interface card (INIC) or communication processing device (CPD) works with a host computer for data communication. The device provides a fast-path that avoids protocol processing for most messages, greatly accelerating data transfer and offloading time-intensive processing tasks from the host CPU. The host retains a fallback processing capability for messages that do not fit fast-path criteria, with the device providing assistance such as validation even for slow-path messages, and messages being selected for either fast-path or slow-path processing. A context for a connection is defined that allows the device to move data, free of headers, directly to or from a destination or source in the host. The context can be passed back to the host for message processing by the host. The device contains specialized hardware circuits that are much faster at their specific tasks than a general purpose CPU. A preferred embodiment includes a trio of pipelined processors devoted to transmit, receive and utility processing, providing full duplex communication for four Fast Ethernet nodes.
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pat
Blightman Stephen E. J.
Boucher Laurence B.
Craft Peter K.
Higgen David A.
Philbrick Clive M.
Alacritech, Inc.
Gilles Jude J Jean
Lauer Mark
Silicon Edge Law Group LLP
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