UDel switch: an approach to very large fast-packet switches

Jeong-Gyun Shin; Charles G. Boncelet Jr.

doi:10.1117/12.257344

4 November 1996 UDel switch: an approach to very large fast-packet switches

Jeong-Gyun Shin, Charles G. Boncelet Jr.

Proceedings Volume 2917, Broadband Access Systems; (1996) https://doi.org/10.1117/12.257344
Event: Photonics East '96, 1996, Boston, MA, United States

Abstract

We propose a new design for a self-routing, space-division fast packet switch for ATM B-ISDN. This is an expansion switch based on binary expansion, concentration, and combination of neighboring blocks of packets. Internal buffers are needed for local synchronization and packet buffering for eventualities of path collision and/or next stage buffer full. An expansion network such as the UD_EL switch provides multiple paths for any input/output pair. These multiple paths help to alleviate many common problems including head-of-line (HOL), internal path conflicts, and output collisions. Our proposal provides 10^-10 packet drop rate between two stages under random uniform traffic with a unique 3-dimensional arrangement of printed- circuit boards. Batcher-banyans or similar small switches may be used as the last stage.

Citation Download Citation

Jeong-Gyun Shin and Charles G. Boncelet Jr. "UDel switch: an approach to very large fast-packet switches", Proc. SPIE 2917, Broadband Access Systems, (4 November 1996); https://doi.org/10.1117/12.257344

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