The barrel switch: An ATM switch architecture for high-speed switching

This paper proposes a new asynchronous transfer mode (ATM) switch architecture called a “barrel switch.” The barrel switch is constructed from n/2 × n identical element switches which are placed out around a cylinder and connected to each other. The features of this proposed switch are as follows. 1...

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Veröffentlicht in:Electronics & communications in Japan. Part 1, Communications Communications, 1994-10, Vol.77 (10), p.11-20
1. Verfasser: Shobatake, Yasuro
Format: Artikel
Sprache:eng
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Zusammenfassung:This paper proposes a new asynchronous transfer mode (ATM) switch architecture called a “barrel switch.” The barrel switch is constructed from n/2 × n identical element switches which are placed out around a cylinder and connected to each other. The features of this proposed switch are as follows. 1. This switch has an architecture suitable for high‐speed (2.4 Gbps and more) cell switching. 2. It is a multistage self‐routing and nonblocking switch. 3. Copy connections can be realized with this switch. 4. The building‐block method is applicable to switch implementation, which ensures a full scalability. Cell loss rate and delay characteristics of this switch also are discussed using computer simulation results. Simulation results under random traffic prove that a 64 × 64 barrel switch has adequate cell loss rate and mean delay characteristics to an actual ATM switching system.
ISSN:8756-6621
1520-6424
DOI:10.1002/ecja.4410771002