Absrract-End-to-end measurement is a common tool for network performance diagnosis, primarily because it can refleet user experience and typically requires minimal support f" intervening network elements. Challenges in this approach are: (i) to identify the locale of performance degradation; and (ii) to perform measurements in a scalable manner for large and complex networks. In this paper we show how end-to-end delay measurements of multicast trafiic can be used to estimate packet delay variance on each unk of a logical multicast tree. The method does not depend on cooperation from intervenlng network elements; multicast probing is bmdwidth efficient We establish desirable statistJca1 properties of the estimator, namely consistency and asymptotic normality. We evaluate the approach through model based and network shulatiom. The approach extends to the estimation of higher order moments of the link delay distributfon Keyvords-Ead-to-end measurement, queueing delay, estimation theory, multicast trees, network tomography.
In REF , the variances of the link delays are estimated using a moment method.
Multicast inference of packet delay variance at interior network links
Proceedings IEEE INFOCOM 2000. Conference on Computer Communications. Nineteenth Annual Joint Conference of the IEEE Computer and Communications Societies (Cat. No.00CH37064)
Proceedings IEEE INFOCOM 2000. Conference on Computer Communications. Nineteenth Annual Joint Conference of the IEEE Computer and Communications Societies (Cat. No.00CH37064)
Computer Science