Simple, scalable protocols for high-performance local networks
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RMPP (reliable message passing protocol) is a lightweight transport protocol designed for clusters that provides end-to-end flow control and fault tolerance. In this article, presentations were made that compares RMPP to TCP, UDP, and "Utopia". The article compared the protocols on four benchmarks: bandwidth, latency, all-to-all, and communication-computation overlap. The results have shown that message-based protocols like RMPP have several advantages over TCP including ease of implementation, support for computation/communication overlap, and low CPU overhead.
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