March 2014
Intermediate to advanced
456 pages
14h 17m
English
Content preview from Design of Modern Communication Networks
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Chapter 8
Flow-Controlled Packet Networks
Abstract
Admission and flow control of a packet network are limiting the flow admitted to the network in order to protect existing traffic streams and the network from overflow, which may cause degradation of the performance by introducing large delays. Two principles are discussed: virtual channels and TCP.
Networks with virtual channels are modeled by closed Jackson networks, and analyzed by convolution methods, mean value analysis, or decomposition. Approximation of closed networks by open networks is discussed.
In contrast to a virtual channel, TCP is an adaptive mechanism where the throughput is adjusted subject to performance measures such as end-to-end delay and packet loss. Networks with TCP ...
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