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What is Global Synchronization Problem

Encyclopedia of Internet Technologies and Applications
A phenomenon that happens when most of active TCP flows lose packets, reducing their sending rates, which can lead to network underutilization.
Published in Chapter:
Active Queue Management
Michele Mara de Araújo Espíndula Lima (Federal University of Pernambuco, Brazil) and Nelson Luís Saldanha da Fonseca (State University of Campinas, Brazil)
Copyright: © 2008 |Pages: 6
DOI: 10.4018/978-1-59140-993-9.ch001
Abstract
Although powerful and necessary to prevent network collapse, the congestion control mechanism of the TCP is not sufficient to avoid congestion. Since TCP sources exert a limited control of the network, and unresponsive flows, which do not slow down their sending rates when congestion occurs, may be present, the efficacy of end-to-end congestion control also relies on queue mechanisms at the routers.
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