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The Xpress Transfer Protocol (XTP) — A Tutorial
Robert M. Sanders
Department of Computer Science
University of Virginia
ABSTRACT
Throw away. Throw away.
Introduction
Throw this page away. asdas asdasd asdasd[1] wer wer wer dfsdffsdsdfsdf.[2] wer wer wer dfsdffsdsdfsdf.[3] wer wer wer dfsdffsdsdfsdf.[4] wer wer wer dfsdffsdsdfsdf.[5] wer wer wer dfsdffsdsdfsdf.[6] The Xpress Transfer Protocol (XTP) — A Tutorial
Robert M. Sanders and Alfred C. Weaver
Computer Networks Laboratory
Department of Computer Science
Thornton Hall
University of Virginia
Charlottesville, Virginia 22903 rms4t@virginia.edu, weaver@virginia.edu
Introduction
XTP is a reliable, real-time, lightweight transfer1 layer protocol being developed by a group of researchers and developers coordinated by Protocol Engines Incorporated (PEI). [1,2,3 ] Current transport layer protocols such as DoD’s Transmission Control Protocol (TCP)[4] and ISO’s Transport Protocol (TP)[5] were not designed for the next generation of high speed, interconnected reliable networks such as FDDI and the gigabit/second wide area networks. Unlike all previous transport layer protocols, XTP is being designed to be implemented in hardware as a VLSI chip set. By streamlining the protocol, combining the transport and network layers and utilizing the increased speed and parallelization possible with a VLSI implementation, XTP will be able to provide the endto-end data transmission rates demanded in high speed networks without compromising reliability and functionality. This paper describes the operation of the XTP protocol and in particular, its error, flow and rate control, inter-networking addressing mechanisms and multicast support features, as defined in the XTP Protocol
Definition Revision 3.4.[1]
Future computer networks will be characterized by high reliability and very high data transmission rates.
Traditional transport layer protocols, such as TCP and TP4, which were designed in an era of
Robert M. Sanders
Department of Computer Science
University of Virginia
ABSTRACT
Throw away. Throw away.
Introduction
Throw this page away. asdas asdasd asdasd[1] wer wer wer dfsdffsdsdfsdf.[2] wer wer wer dfsdffsdsdfsdf.[3] wer wer wer dfsdffsdsdfsdf.[4] wer wer wer dfsdffsdsdfsdf.[5] wer wer wer dfsdffsdsdfsdf.[6] The Xpress Transfer Protocol (XTP) — A Tutorial
Robert M. Sanders and Alfred C. Weaver
Computer Networks Laboratory
Department of Computer Science
Thornton Hall
University of Virginia
Charlottesville, Virginia 22903 rms4t@virginia.edu, weaver@virginia.edu
Introduction
XTP is a reliable, real-time, lightweight transfer1 layer protocol being developed by a group of researchers and developers coordinated by Protocol Engines Incorporated (PEI). [1,2,3 ] Current transport layer protocols such as DoD’s Transmission Control Protocol (TCP)[4] and ISO’s Transport Protocol (TP)[5] were not designed for the next generation of high speed, interconnected reliable networks such as FDDI and the gigabit/second wide area networks. Unlike all previous transport layer protocols, XTP is being designed to be implemented in hardware as a VLSI chip set. By streamlining the protocol, combining the transport and network layers and utilizing the increased speed and parallelization possible with a VLSI implementation, XTP will be able to provide the endto-end data transmission rates demanded in high speed networks without compromising reliability and functionality. This paper describes the operation of the XTP protocol and in particular, its error, flow and rate control, inter-networking addressing mechanisms and multicast support features, as defined in the XTP Protocol
Definition Revision 3.4.[1]
Future computer networks will be characterized by high reliability and very high data transmission rates.
Traditional transport layer protocols, such as TCP and TP4, which were designed in an era of
References: 1. "XTP Protocol Definition Revision 3.4", Protocol Engines, Incorporated, 1900 State Street, Suite D, Santa Barbara, California 93101, 1989. 4. Comer, Douglas, Internetworking with TCP/IP, Prentice-Hall, Englewood Cliffs, New Jersey, 1988. 6. Jacobsen, Van and Braden, R.T., "TCP Extensions for Long-Delay Paths", Request for Comment 1072 (RFC 1072), 1988. 7. Cheriton, David, "VMTP: Versatile Message Transaction Protocol Protocol Specification", Preliminary Version 0.6, Stanford University, 1988. 8. Clark, David, and Lambert, Mark, "NETBLT: A Bulk Data Transfer Protocol", Request for Comment 998 (RFC 998), 1987. 10. Hutchison, David, Local Area Network Architectures, Addison-Wesley, Wokingham, England, 1988.