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Commenced in January 2007 Frequency: Monthly Edition: International Publications Count: 29609

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Supporting QoS-aware Multicasting in Differentiated Service Networks
A scalable QoS aware multicast deployment in DiffServ networks has become an important research dimension in recent years. Although multicasting and differentiated services are two complementary technologies, the integration of the two technologies is a non-trivial task due to architectural conflicts between them. A popular solution proposed is to extend the functionality of the DiffServ components to support multicasting. In this paper, we propose an algorithm to construct an efficient QoSdriven multicast tree, taking into account the available bandwidth per service class. We also present an efficient way to provision the limited available bandwidth for supporting heterogeneous users. The proposed mechanism is evaluated using simulated tests. The simulated result reveals that our algorithm can effectively minimize the bandwidth use and transmission cost
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[1] K.C.Almeroth, "The evolution of multicast", IEEE Networks 14(1) 2000. pp.10-21.
[2] S. Blake, D. Black, M. Carlson, E. Davies, Z. Wang, and W. Weiss, "An architecture for differentiated services," IETF RFC 2475, December 1998.
[3] Z Li, P. Mahapatra, " QoS-aware multicasting in DiffServ domains" Proc. Of Global Internet Symposium 2002.
[4] A. Striegal, A. Bouabdallah, H.Bettahar, G. Manimaran, "EBM: Edge based multicasting in DiffServ networks", in Proc. Of Network Group Communications (NGC), Munich, Germany, Sep- 2003.
[5] A. Striegal, G. Mannimaran, "DSMCast: A Scalable approach for DiffServ multicasting", Computer Networks 44(6) (2004) 713-735.
[6] R. Boivie, N. Feldman, Y. Imai, W. Livens, D. Ooms, O. Paridaens, Explicit multicast (Xcast) basic specification, IETF Internet Draft Aug- 2003.
[7] S. Vrontis, E. Sykas, Extending differentiated services architecture for multicast provisioning, Computer Networks 48(2005) pp 567-584.
[8] W. Fenner, IGMP Internet Group management protocol, version 2, RFC 2236, Nov 1997.
[9] K. Nichols, S. Blake, F. Baker and D.L. Black, " Definition of the Differentiated Services Field (DS field) in the Ipv4 and Ipv6 Headers, Dec 1998. IETF RFC 2474.
[10] A. Striegal, G Manimaran, Dynamic DSCPs for heterogeneous QoS in DiffServ multicasting in: IEEE GLOBECOM, 2002.
[11] B. Yang, P. Mahapatra, Multicasting in MPLS domains, Computer Communications 27(2)2004 pp162-170.
[12] A. Boudani, B. Cousin, J. Bonnin, An effective solution for multicast scalability: The MPLS multicast tree (MMT), IETF Internet Draft draftboudani- mpls-multicast-tree-09.txt, March 2004.
[13] A. Fei, J.Cui, M. Gerla, M. Foloustos, Aggregate multicast: An approach to reduce multicast state, Proceedings of Sixth Global Internet Symposium (GI 2001), 2001
[14] J.H. Cui, J. Kim, A. Fei, M. Faloustsos, M. Gerla, Scalable QoS: Multicast provisioning in DiffServ supported MPLS networks in Proc of IEEE GLOBECOM 2002, Taiwan, Nov- 2002.
[15] S. Floyd, V. Jacobson, The synchronization of periodic routing messages, IEEE/ACM Transaction on networking 2 (1994) 122.
[16] H.Holbrook, B. Cain, " Source Specific Multicast for IP",IETF Internet Draft. Draft-ietf-holbrook-ssm-arch-00.txt.
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