Mapping SNA session flow control to TCP flow control

Details Mapping SNA session flow control to TCP flow control Mapping SNA session flow control to TCP flow control

1997-08-29

2000-04-11

Dinh, Dung C.

Electrical computers and digital processing systems: multicomput

Computer-to-computer protocol implementing

Computer-to-computer handshaking

709237, 709246, 709236, 709230, 709231, 709233, H04L 1246, G06F 1516

Patent

active

060498331

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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