White Papers

Improving TCP Congestion Control Over Internets With Heterogeneous Transmission Media

Category: Software and Web Development, Networking and Communications

Overview This paper presents a new implementation of TCP that is better suited to today's Internet than TCP Reno or Tahoe. The implementation of TCP, which is called TCP Santa Cruz, is designed to work with path asymmetries, out-of-order packet delivery, and networks with lossy links, limited bandwidth and dynamic changes in delay. The new congestion-control and error-recovery mechanisms in TCP Santa Cruz are based on: using estimates of delay along the forward path, rather than the round-trip delay; reaching a target operating point for the number of packets in the bottleneck of the connection, without congesting the network; and making resilient use of any acknowledgments received over a window, rather than increasing the congestion window by counting the number of returned acknowledgments.

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Publisher: University of California
File Format: PDF
Date Published: Dec 27, 2007
Format: White Papers
Topics: Streaming Media, TCP - IP

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