Method for automatic tuning of TCP receive window based on a...

Electrical computers and digital processing systems: multicomput – Computer-to-computer session/connection establishing

Reexamination Certificate

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Details

C709S217000, C709S223000, C709S226000, C709S228000, C709S235000, C370S229000, C370S235000, C370S401000

Reexamination Certificate

active

09736988

ABSTRACT:
A method and system are directed at automatically tuning a TCP receive window (RWIN). The size of the RWIN may be determined by attributes of a network card. One attribute used to size the RWIN is the speed of the adapter card. The adapter speed is readily available by polling the network card. Once the speed is known, the size of the RWIN is selected from a table and is automatically set. Alternatively, the size of the RWIN may be determined by a formula.

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Jacobson, V., “Congestion Avoidance and Control,”Computer Communication Review 18:4, Aug. 1988; pp. 314-329.
Stevens, W. R.,TCP/IP Illustrated vol. 1 The Protocols, Chap. 20.3, 20.6 and 20.7, Addison-Wesley Publishing Company, Reading, Massachusetts, 1994; pp. 280-282; 285-292.
Semke et al., “Automatic TCP Buffer Tuning,”Proc of SIGCOMM '98, Vancouver, B.C., Aug. 1998.
“Windows optimizations for broadband connections (RWIN),” downloaded from dslreports.com/tweaks, on Mar. 13, 2001, 5 pages.

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