NDLI: A dynamic programmable shared virtual path assignment algorithm for multipoint communication in ATM networks

Content Provider	IEEE Xplore Digital Library
Author	Selvakumar, S. Karthik, J. Ravi Shankar, G.V. Ramakrishna, Y.
Copyright Year	1999
Description	Author affiliation: Dept. of Comput. Sci. & Eng., Regional Eng. Coll., Haryana, India (Selvakumar, S.)
Abstract	Multicast defined as the delivery of a packet simultaneously to more than one destination by a single transmit operation is the means to achieve point-to-multipoint and multipoint-to-multipoint communication arising from the multimedia communication applications. Multipoint-to-multipoint communication requires the creation of a multicast tree. Though ATM networks are capable of providing guaranteed QoS, the support for efficient group communication (multicasting) is necessary. Unfortunately as the ATM networks belong to the class of non-broadcast multiple access (NBMA) achieving such a simultaneous transmission in terms of multicasting is very difficult. This paper addresses the issue of multicast connection establishment and proposes a new, 'dynamic programmable shared virtual path assignment' algorithm for the creation of a multicast tree. The proposed algorithm realizes each branch of a multicast tree by a segmented VP and reserves the required resources for each VP. Further, the nodes in which the multicast tree edges branch out are realized as virtual path junctions (VPJs). At VPJs two streams (VPs) of a group from two input links are merged into one input stream (VP) for an output link by performing copy or split and merge operations. The output of the merge operation at each VPJ is a function of the programmable filter installed at each VPJ. The filter may be programmed to guarantee the desired QoS of each member of a group.
Starting Page	254
Ending Page	258
File Size	533050
Page Count	5
File Format	PDF
ISBN	0780357396
DOI	10.1109/TENCON.1999.818398
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-09-15
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Asynchronous transfer mode Quality of service Multicast algorithms Application software Multimedia communication Filters Intelligent networks Computer science Educational institutions Internet
Content Type	Text
Resource Type	Article

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