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Shared Multibuffer ATM Switches with Hierarchical Queueing and Multicast Functions
Hideaki YAMANAKA Hirotaka SAITO Hirotoshi YAMADA Harufusa KONDOH Hiromi NOTANI Yoshio MATSUDA Kazuyoshi OSHIMA
Publication
IEICE TRANSACTIONS on Communications
Vol.E79-B
No.8
pp.1109-1120 Publication Date: 1996/08/25 Online ISSN:
DOI: Print ISSN: 0916-8516 Type of Manuscript: PAPER Category: Switching and Communication Processing Keyword: ATM switch architecture, hierarchical queueing, multicast functions, ATM access systems, ATM loop systems,
Full Text: PDF>>
Summary:
A new ATM switch architecture, named shared multibuffering, features great advantages on memory access speed for a large switch, and overall size of buffer memories to achieve excellent cell-loss performance. We have developed a 622-Mb/s 8 8 shared multibuffer ATM switch with multicast functions and hierarchical queueing functions to accommodate 156-Mb/s, 622-Mb/s and 2.4-Gb/s interfaces. Implementation of the shared multibuffer ATM switch is described with respect to the four sorts of 0.8-µm BiCMOS LSIs and ATM switch boards. The switch board/type-1, with C1-LSI, allows to accommodate effectively 156-Mb/s and 622-Mb/s interfaces, which is suitable for an ATM access system. The switch board/type-2, with C2-LSI, can provide multicast functions and accommodate a 2.4-Gb/s interface. By using four switch boards, it is possible to apply them to a 2.4-Gb/s ATM loop system.
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