Performance Evaluation of an Off-Host Communications ArchitectureReport
The Computer Networks Laboratory at the University of Virginia has implemented the SAFENET lightweight protocol suite on theNavy's Tactical Computer (DTC-2). The software includes the Xpress Transfer Protocol (XTP), a new transport and network layer protocol to support high-throughput, low-latency, priority-sensitive communications. One of our research questions was whether to embed XTP in theDTC-2's kernel or run XTP on an attached processor on themachine's We implemented both strategies and the attached processor approach proved to have somewhat higher performance. Our conclusions identify both the advantages and performance concerns inherent in off-host protocol execution.
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Michel, Jeffrey, Alexander Waterman, and Alfred Weaver. "Performance Evaluation of an Off-Host Communications Architecture." University of Virginia Dept. of Computer Science Tech Report (1993).
University of Virginia, Department of Computer Science