Bandwidth allocation of multiple QOS classes in ATM environment
|Authors||Chan, Jimmy H.S.
Tsang, Danny H.K.
|Source||Proceedings - IEEE INFOCOM, v. 1, 1994, p. 360-367|
|Summary||For future Broadband-ISDN, Asynchronous Transfer Mode (ATM) is designed not only to support a wide range of traffic classes with diverse flow characteristics (e.g., burstiness, bit rate and burst length), but to guarantee the different quality of service (QOS) requirements as well. The QOS may be measured in terms of cell loss probability and maximum cell delay. In this paper, we consider the ATM networks in which the virtual path (VP) concept is implemented. By applying the Markov Modulated Deterministic Process method, we develop an efficient algorithm to compute the minimum capacity required to satisfy all the QOS requirements when multiple classes of on-off sources are multiplexed onto a single VP. Using the result, we then propose a simple algorithm to determine the VP combination to achieve the near optimum of total capacity required for satisfying the individual QOS requirements. Numerical results are also presented to demonstrate the performance of the algorithm when compared to the optimal total capacity required.|
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