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A Methodology for the Optimal Configuration of TCP Traffic in Network Simulations under Link Load Constraints
 

Summary: A Methodology for the Optimal Configuration of TCP Traffic in Network
Simulations under Link Load Constraints

Qi He, Constantinos Dovrolis, Mostafa Ammar
qhe, dovrolis, ammar@cc.gatech.edu
College of Computing, Georgia Tech
Abstract
Given that over 90% of the Internet load is carried by
TCP, most network simulation studies use TCP flows to gen-
erate the background traffic. A basic, but unresolved, ques-
tion however is: how can one decide how many TCP flows
to simulate from one network node to another? Simulat-
ing too many flows on a link can cause an unrealistically
high loss rate on that link, while simulating too few flows
can result in undesirably light load conditions. Similarly, to
simulate realistic network conditions, one has to carefully
control the load distribution on various network links (e.g.,
edge vs. core links), as well as the hop count (path length) of
the simulated TCP flows. Previous simulation studies have
dealt with these issues in a trial-and-error manner, experi-

  

Source: Ammar, Mostafa - College of Computing, Georgia Institute of Technology

 

Collections: Computer Technologies and Information Sciences