Mapping SNA session flow control to TCP flow control
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United States of America Patent
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Apr 11, 2000
Grant Date -
N/A
app pub date -
Aug 29, 1997
filing date -
Aug 29, 1997
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Abstract
A TN3270 server (26) that forwards a 3270 data stream from a Systems Network Architecture ('SNA') connection (28) to a Transmission Control Protocol ('TCP') connection (24) monitors the TCP connection for segments that acknowledge thereby-transmitted bytes. It also keeps track of the unacknowledged-byte window sizes specified by received TCP-connection segments. It responds with a pacing response to a pacing-request-containing SNA message only when forwarding of previously received information from the SNA can be completed without resulting in a number of unacknowledged bytes that exceeds the specified window size.
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