NDLI: Self-sizing network operation systems in ATM networks

Content Provider	IEEE Xplore Digital Library
Author	Nakagawa, S. Kato, Y. Nakai, S. Ogura, K. Saito, H.
Copyright Year	1996
Description	Author affiliation: NTT Telecommun. Networks Labs., Tokyo, Japan (Nakagawa, S.)
Abstract	The asynchronous transfer mode (ATM) is a key technology for broadband integrated services digital networks (B-ISDNs), which require high speed transmission. We propose a "self-sizing network operation". This is a traffic engineering, management and operation concept for ATM networks. This concept allows networks to be rapidly operated and flexibly re-dimensioned by the system. We overview the functions of this system. Next, we present the virtual path (VP) bandwidth control function and the network element (NE) interface, which are Step 1 functions in the "self-sizing network operation". Their functions can automatically adjust the VP bandwidth. We show their effectiveness; the VP bandwidth can be reduced by 30% or 40%. To implement the operation system, we considered the actual operation time. This may be restricted for operation control. Then, we evaluated the performance of the Step 1 function. In this evaluation, we measured the basic CMIP performance, and estimated the time necessary for actual operation based on these measurements. A major portion of the total operation time is the time necessary for collecting data. This increases by the cube of the total number of virtual channel handlers (VCHs) with every additional VCH. If we use this system, we must consider its operation cycle and effectiveness. However, fortunately the time necessary for operation is short enough to operate about 50 VCHs in a network which cover all of Japan.
Starting Page	563
Ending Page	572
File Size	657433
Page Count	10
File Format	PDF
ISBN	0780325184
DOI	10.1109/NOMS.1996.539626
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-04-15
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Intelligent networks Asynchronous transfer mode Bandwidth Telecommunication traffic Communication system traffic control B-ISDN Automatic control Time measurement Quality of service Demand forecasting
Content Type	Text
Resource Type	Article

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