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CTCP: Improving TCP-Friendliness Over Low-Buffered Network Links

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tcp - ip

Overview Compound TCP (CTCP) is a sender-side improvement for TCP in high-speed and long distance networks. CTCP is a synergy of delay and loss-based congestion control, effectively combining them to achieve good efficiency, RTT fairness and TCP-friendliness. However, CTCP requires detecting incipient congestion effectively by estimating the backlogged packets and comparing it to a pre-defined parameter gamma. Choosing the appropriate value for gamma could be a problem because this parameter depends on both network configuration and the number of concurrent flows, which are generally unknown to the end systems. As a consequence, when operating over under-buffered links, CTCP may demonstrate poor fairness to regular TCP flows that may be comparable to HSTCP.

Further White Paper Details
Publisher	Microsoft	File Format	PDF
Date Published	September 2006
Format	White Papers
Topics	TCP - IP

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