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Traffic control in asynchronous transfer mode

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3 Author(s)
Okada, T. ; Musashino Electr. Commun. Lab., NTT, Tokyo, Japan ; Ohnishi, H. ; Morita, N.

The definition of traffic descriptors is discussed, and cell delay variation (CDV) that complicates usage parameter control (UPC) is analyzed. A generic flow control protocol that facilitates UPC is described. It is based on the asynchronous transfer mode ring (ATMR) protocol. The ATMR-GFC protocol achieves the guarantee of bandwidth by a cyclic reset scheme. Bandwidth calculation methods for connection admission control are reviewed from the viewpoint of different time scales. Both a real-time and offline calculation method are discussed. A combined method taking advantage of both methods is proposed.<>

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Communications Magazine, IEEE  (Volume:29 ,  Issue: 9 )