RCS : A Rate Control Scheme for Real - Time Tra cin

نویسندگان

  • Jin Tang
  • Giacomo Morabito
  • Ian F. Akyildiz
  • Marjory Johnson
چکیده

Currently there is no control for real-time traf-c sources in IP networks. This is a serious problem because real-time traac can not only congest the network but can also cause unfairness and starvation of TCP traac. In this paper, a new rate control scheme, RCS, is introduced for real-time traac in networks with high bandwidth-delay products and high bit error rates. RCS is based on the concept of using dummy packets to probe the availability of network resources. Dummy packets are treated as low priority packets and consequently they do not aaect the throughput of actual data traac. Therefore, RCS requires all the routers in the connection path to support some priority policy. Simulation experiments show that in environments with high bandwidth-delay products and high bit error rates, RCS achieves good throughput performance without penalizing TCP connections.

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تاریخ انتشار 2001