CHEETAH: circuit-switched high-speed end-to-end transport arcHitecture

Malathi Veeraraghavan; Xuan Zheng; Hyuk Lee; M. Gardner; Wuchun Feng

doi:10.1117/12.533340

1 October 2003 CHEETAH: circuit-switched high-speed end-to-end transport architecture

Malathi Veeraraghavan, Xuan Zheng, Hyuk Lee, M. Gardner, Wuchun Feng

Proceedings Volume 5285, OptiComm 2003: Optical Networking and Communications; (2003) https://doi.org/10.1117/12.533340
Event: OptiComm 2003: Optical Networking and Communications, 2003, Dallas, TX, United States

Abstract

Leveraging the dominance of Ethernet in LANs and SONET/SDH in MANs and WANs, we propose a service called CHEETAH (Circuit-switched High-speed End-to-End Transport ArcHitecture). The service concept is to provide end hosts with high-speed, end-to-end circuit connectivity on a call-by-call shared basis, where a "circuit" consists of Ethernet segments at the ends that are mapped into Ethernet-over-SONET long-distance circuits. This paper focuses on the file-transfer application for such circuits. For this application, the CHEETAH service is proposed as an add-on to the primary Internet access service already in place for enterprise hosts. This allows an end host that is sending a file to first attempt setting up an end-to-end Ethernet/EoS circuit, and if rejected, fall back to the TCP/IP path. If the circuit setup is successful, the end host will enjoy a much shorter file-transfer delay than on the TCP/IP path. To determine the conditions under which an end host with access to the CHEETAH service should attempt circuit setup, we analyze mean file-transfer delays as a function of call blocking probability in the circuit-switched network, probability of packet loss in the IP network, round-trip times, link rates, and so on.

Citation Download Citation

Malathi Veeraraghavan, Xuan Zheng, Hyuk Lee, M. Gardner, and Wuchun Feng "CHEETAH: circuit-switched high-speed end-to-end transport architecture", Proc. SPIE 5285, OptiComm 2003: Optical Networking and Communications, (1 October 2003); https://doi.org/10.1117/12.533340

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