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Published in:
2005 | OriginalPaper | Chapter
A Novel Fuzzy-PID Dynamic Buffer Tuning Model to Eliminate Overflow and Shorten the End-to-End Roundtrip Time for TCP Channels
Authors : Wilfred W. K. Lin, Allan K. Y. Wong, Tharam S. Dillon
Published in: Parallel and Distributed Processing and Applications
Publisher: Springer Berlin Heidelberg
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The novel Fuzzy-PID dynamic buffer controller/tuner eliminates overflow at the user/server/application level adaptively. As a result it shortens the end-to-end roundtrip time (RTT) of a client/server TCP interaction due to improved fault tolerance. The Fuzzy-PID, which is independent of what occurs at the system/router level, is formed by combining fuzzy logic with the extant algorithmic model, the
pure
PID (P
2
ID) tuner. It eliminates the shortcomings from the P
2
ID component but preserves its power. Its operation is independent of the traffic pattern, and this makes it suitable for the Internet, where the traffic pattern switches suddenly, for example, from LRD (long-range dependence) to SRD (short-range dependence) or multi-fractal.