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TCP-Illinois: A loss- and delay-based congestion control algorithm for high-speed networks

Authors
Journal
Performance Evaluation
0166-5316
Publisher
Elsevier
Publication Date
Volume
65
Identifiers
DOI: 10.1016/j.peva.2007.12.007
Keywords
  • Congestion Control
  • Tcp
  • Fairness
  • Stability
  • Synchronization
Disciplines
  • Computer Science
  • Mathematics

Abstract

Abstract We introduce a new congestion control algorithm for high-speed networks, called TCP-Illinois. TCP-Illinois uses packet loss information to determine whether the window size should be increased or decreased, and uses queueing delay information to determine the amount of increment or decrement. TCP-Illinois achieves high throughput, allocates the network resource fairly, and is incentive compatible with standard TCP. We also build a new stochastic matrix model, capturing standard TCP and TCP-Illinois as special cases, and use this model to analyze their fairness properties for both synchronized and unsynchronized backoff behaviors. We finally perform simulations to demonstrate the performance of TCP-Illinois.

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