Cell-switch router (CSR): label-switching router supporting standard ATM interfaces

Hiroshi Esaki; Shigeo Matsuzawa; Akiyoshi Mogi; Ken-ichi Ngami; Tatsuya Jinmei; Toru Kon'no; Yasuhiro Katsube

doi:10.1117/12.290450

6 October 1997 Cell-switch router (CSR): label-switching router supporting standard ATM interfaces

Hiroshi Esaki, Shigeo Matsuzawa, Akiyoshi Mogi, Ken-ichi Ngami, Tatsuya Jinmei, Toru Kon'no, Yasuhiro Katsube

Proceedings Volume 3233, Broadband Networking Technologies; (1997) https://doi.org/10.1117/12.290450
Event: Voice, Video, and Data Communications, 1997, Dallas, TX, United States

Abstract

Architecture overview of cell switch router (CSR), that is one of actual implementation using label switching paradigm, and the CSR prototype system supporting standard ATM interfaces are described. CSR can operate both with PVC (permanent virtual connection) and with SVC (switched virtual connection) as the VC for cut-through packet forwarding. CSR contains cell switch fabric and IP packet switch fabric to achieve high throughput IP forwarding. IP packets are forwarded either through a cut-through packet transmission, in which packet are forwarded without reassembling IP packet nor IP header processing, or through a conventional hop-by-hop IP packet forwarding. This paper describes and proposes the mechanism to forward the connectionless IP packet flows at the CSR. A CSR prototype system has developed. The CSR prototype system uses PVC and SVC connections to transfer the IP packets. With the CSR prototype system, we can make sure that CSR system could establish the cut-through packet transmission path between the adjacent node with acceptable establishment delay, that was less than few hundred second. The SVC connections for cut- through packet transmission are established on demand using ATM Forum UNI 3.0 or UNI 3.1.

Citation Download Citation

Hiroshi Esaki, Shigeo Matsuzawa, Akiyoshi Mogi, Ken-ichi Ngami, Tatsuya Jinmei, Toru Kon'no, and Yasuhiro Katsube "Cell-switch router (CSR): label-switching router supporting standard ATM interfaces", Proc. SPIE 3233, Broadband Networking Technologies, (6 October 1997); https://doi.org/10.1117/12.290450

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