Congestion Control Schemes for TCP/IP Networks

By Darius Buntinas


This paper describes six methods for controlling congestion for TCP connections. The first four, Slow Start algorithm [5], Tri-S [8], DUAL [7], and TCP Vegas [1] treat the network as a black box, in that the only way to detect congestion is through packet loss and changes in round trip time, or throughput. The last two, Random Early Detection [4] and Explicit Congestion Notification [3] depend on the gateways to provide indications of congestion.

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