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ATM VP-Based Economical Transport Network Architecture for Multi-Reliability and Broadband Integrated Service Infrastructure
Yoshihiko UEMATSU Hiroshi OHTA Ryoichi IWASE Koji WATANABE Masayuki MATSUDA Seiichi TAKAGI Toshinori TSUBOI
IEICE TRANSACTIONS on Communications
Publication Date: 2000/02/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (IEICE/IEEE Joint Special Issue on Recent Progress in ATM Technologies)
Category: Traffic Control and Network Management
ATM, transport network, virtual path, cross-connect, protection switching,
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The ATM Virtual Path(VP)-based transport network is a candidate for the future multi-reliability and broadband integrated service infrastructure. This paper compares the performance attributes of the VP transport network with those of the conventional SDH network and future optical path-based transport network. This paper shows that the VP-based network is superior in terms of path-grooming efficiency and connection capability, and will still play an important role when WDM technologies are introduced to carrier networks. This paper also describes the recently fabricated VP Cross Connect(VP-XC) system configuration and the VP Automatic Protection Switching(APS) performance of the XC.