Transferring control of TCP connections between hierarchy of processing mechanisms
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United States of America Patent
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Aug 21, 2012
Grant Date -
N/A
app pub date -
Oct 11, 2005
filing date -
Oct 8, 2004
priority date (Note) -
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Abstract
In one embodiment, a system for communicating over a network is disclosed, the system comprising: a processor running a protocol processing stack to control a TCP connection; a first offload engine that receives control of the TCP connection from the stack to perform a first task corresponding to the TCP connection; and a second offload engine that receives control of the TCP connection from the first offload engine to perform a second task corresponding to the TCP connection. For example, the first offload engine can be protocol software such as an intermediate driver that can handle tasks such as teaming and/or reassembly of out-of-order data segments. As another example, the second offload engine can be a network interface card that provides hardware that accelerates data transfer.
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