Issues of Multihoming Implementation Using FAST TCP: A Simulation Based Analysis

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Executive Summary

Multihoming is currently widely used to provide end-to-end fault-tolerance and improved application performance. A node having different IP addresses or could be reached under several IP addresses is said to be multihomed. Transport layer multihoming is a feature that binds a single transport layer connection to multiple network addresses at each endpoint. Although transport layer multihoming is an old concept, neither of the Internet's current transport protocol workhorses, TCP or UDP, support multihoming. However, some transport protocols (like SCTP [10] or pTCP [17]) support multihoming, but unfortunately they are not designed for high-capacities and large-latencies networks, they often have performance problems transferring large data files over shared long-distance wide area networks.

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