[e2e] TCP and bi-directional traffic

Ihsan Qazi ihsanqazi at gmail.com
Wed Jan 24 17:04:26 PST 2007

Hi everyone,

I have a question on which I would like to get some comments.

To what extent the current analytic models of TCP accurately capture the
(real) behaviour of TCP? Does there exist a body of work which analytically
characterizes the TCP latency and throughput taking into consideration the
effects of bi-directional traffic (factors like ACK Compression, reduced
forward path capacity due to the presence of ACKs etc) on TCP flows? I am
aware about some observational studies and some work related to mitigating
the effects of ACK Compression and asymmetric links (e.g. prioritizing ACKs,
applying backpressure, connection-level bandwidth allocation schemes etc)
but my question pertains to analytical work.

Thanks in advance.


Ihsan Ayyub Qazi
PhD Student, Department of Computer Science
6803 Sennott Square, University of Pittsburgh
Pittsburgh, PA 15260
WWW: http://www.cs.pitt.edu/~ihsan
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