NDLI: Contractual group membership CGM: a new mechanism for multicast group management

Content Provider	IEEE Xplore Digital Library
Author	Asfour, T. Block, S. Serhrouchni, A. Tohme, S.
Copyright Year	2000
Description	Author affiliation: Ecole Nat. Superieure des Telecommun., Paris, France (Asfour, T.)
Abstract	We present a new concept for multicast group management called contractual group membership or CGM. The main idea behind this concept is the division of the receiver group into homogeneous subgroups. This division is based on physical conditions or/and QoS criteria like available bandwidth, delay, loss probability, ... . The sender will carry a separate conversation with each subgroup using the scalable reliable multicast protocol (SRMTP). We define a multidimensional distance factor to evaluate the logical distance between the members of a group in order to split this group into homogeneous subgroups. The dimensions of this distance factor are end-to-end bandwidth, delay, and loss rate. ESRMTP is an extended version of SRMTP that we have developed in order to support our new distance factor. The simulation results that we have obtained using the three dimensional distance factor with ESRMTP show that the bandwidth splitting is very important for increasing the average throughput of the multicast session and to minimize the average end-to-end delay. It shows as well that the delay and loss probability splitting decrease the jitter for each receiver which is very important for real-time applications. In addition to jitter minimization, loss rate splitting plays a key role in minimizing the network load caused by the FEC integrated in ESRMTP, due to the possibility of controlling the amount of FEC overhead as a function of the loss rate.
Starting Page	666
Ending Page	671
File Size	573888
Page Count	6
File Format	PDF
ISBN	0769507220
DOI	10.1109/ISCC.2000.860715
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-07-06
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	User-generated content Bandwidth Multicast protocols Jitter Multidimensional systems Throughput Delay effects Communication system control Cities and towns Teleconferencing
Content Type	Text
Resource Type	Article

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