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Fast VP-Bandwidth Management with Distributed Control in ATM Networks
Ryutaro KAWAMURA Hisaya HADAMA Ken-ichi SATO Ikuo TOKIZAWA
IEICE TRANSACTIONS on Communications
Publication Date: 1994/01/25
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Communication Networks and Service
communication networks and services, ATM, virtual path, bandwidth control, distributed control,
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This paper proposes a high-speed VP bandwidth control scheme for ATM networks that utilizes a distributed control mechanism. First, the characteristics of VPs are compared with those of digital paths in STM networks. A distributed control scheme is adopted for rapid control. The basic elements and the necessary distributed function, the control algorithm, and the message transmission mechanism, are elucidated. The bandwidth alteration time with the proposed algorithm is estimated by considering network element processing and queuing delay. The proposed VP bandwidth control scheme can be applied to both public networks and leased line services. Finally, this paper focuses on its application to leased line services, and discusses the resource reduction effects of the proposed scheme.