"Congestion Control with Explicit Rate Indication," ATM Forum/94-0692, July 1994
In a connectionless network, the intermediate systems (such as switches or routers) have very little information about active sources and so they cannot communicate directly to the source its share of the available resources. Therefore, the sources have to increase or decrease their load based on simple indication, such as overload or underload (using a binary feedback) from the switches. In a connection-oriented network, on the other hand, the switches have a lot more information and so there is no need for sources to do a long search using limited (one-bit) feedback.
A scheme that lets sources quickly adapt to the correct rates is described.
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