Title: Experiences Supporting By-Request Circuit-Switched T3 Networks
Author(s): A. Nicholson, J. Young.
Status: INFORMATIONAL
Date: Mar 1992
Length: 25788
This memo describes the experiences of a project team at Cray Research, Inc., in implementing support for circuit-switched T3 services. While the issues discussed may not be directly relevant to the research problems of the Internet, they may be interesting to a number of researchers and implementers.
Developers at Cray Research, Inc. were presented with an opportunity to use a circuit-switched T3 network for wide area networking. They devised an architectural model for using this new resource. This involves activating the circuit-switched connection when an application program engages in a bulk data transfer, and releasing the connection when the transfer is complete.
Three software implementations for this feature have been tested, and the results documented here. A variety of issues are involved, and further research is necessary. Network users are beginning to recognize the value of this service, and are planning to make use of by-request circuit-switched networks. A standard method of access will be needed to ensure interoperability among vendors of circuit- switched network support products.
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