Methods and devices for transmitting data between storage...

Multiplex communications – Communication techniques for information carried in plural... – Adaptive

Reexamination Certificate

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Reexamination Certificate

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07738493

ABSTRACT:
Methods and devices are provided for efficient transmission of data between storage area networks. According to some aspects of the invention, a “slim” TCP stack is provided which eliminates the socket layer found in a conventional TCP stack, thereby eliminating socket buffers and the associated buffer-to-buffer copying. Moreover, by eliminating the socket layer, one eliminates the listen state. This condition allows TCP processing in an interrupt context instead of client/server operation with a listen state. Accordingly, some aspects of the invention provide for transmitting data between SANs in an interrupt context.

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