An input buffer‐type ATM switching system using schedule comparison

Ruixue Fan*, Minoru Akiyama, Yoshiaki Tanaka

*この研究の対応する著者

研究成果査読

抄録

An input buffer‐type, high‐capacity ATM switching system using schedule comparison is proposed for a high‐speed ATM switching system whose internal link speed is equal to trunk speed. Its throughput, delay, and loss characteristics are evaluated. The schedule of the input buffer to send cells and that of the output to receive cells are compared to decide the timing to send a cell so that there exists only one cell bound for the same output line. The maximum throughput (outgoing trunk efficiency) is more than 0.9, and the mean delay is less than 10 cell times. Moreover, if a doubled transfer network is used, higher throughput can be achieved and the delay characteristic is almost equal to that with an ideal output buffer type. A comparison of the proposed scheme with the output buffer‐type system under the same cell loss probability 10−5 reveals that the delay is almost the same and the required buffer size is one‐third. This characteristic holds even if the system size is extended to 4096 lines; hence, a super high‐capacity, high‐speed switching system can be configured with the proposed system.

本文言語English
ページ(範囲)17-25
ページ数9
ジャーナルElectronics and Communications in Japan (Part I: Communications)
74
11
DOI
出版ステータスPublished - 1991 11
外部発表はい

ASJC Scopus subject areas

  • コンピュータ ネットワークおよび通信
  • 電子工学および電気工学

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