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IEICE TRANSACTIONS on Communications

Sizing and Provisioning for Physical and Virtual Path Networks Using Self-Sizing Capability

Shigeo SHIODA, Hiroshi SAITO, Hirofumi YOKOI

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Summary :

This paper discusses the problems in designing virtual-path (VP) networks and underlying transmission-path (TP) networks using the "self-sizing" capability. Self-sizing implies an autonomous adjustment mechanism for VP bandwidths based on traffic conditions observed in real time. The notion of "bandwidth demand" has been introduced to overcome some of the problems with VP bandwidth sizing, e.g., complex traffic statistics and diverse quality of service requirements. Using the bandwidth demand concept, a VP-bandwidth-sizing procedure is proposed in which real-time estimates of VP bandwidth demand and successive VP bandwidth allocation are jointly utilized. Next, TP bandwidth demand, including extra capacity to cover single-link failures, is defined and used to measure the congestion level of the TP. Finally, a TP provisioning method is proposed that uses TP "lifetime" analysis.

Publication
IEICE TRANSACTIONS on Communications Vol.E80-B No.2 pp.252-262
Publication Date
1997/02/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Issue on Telecommunications Network Planning and Design)
Category
Network design techniques and tools

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