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Global Address Allocation for Wide Area IP-Multicasting

Global Address Allocation for Wide Area IP-Multicasting
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Author(s): Mihály Orosz (Budapest University of Technology and Economics, Hungary)
Copyright: 2009
Pages: 7
Source title: Encyclopedia of Multimedia Technology and Networking, Second Edition
Source Author(s)/Editor(s): Margherita Pagani (Bocconi University, Italy)
DOI: 10.4018/978-1-60566-014-1.ch077

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Abstract

The IP-multicast transmission is the IP level answer for the growing one-to-many content spreading needs in multimedia applications (Hosszú, 2005). Nevertheless the address allocation and service discovery is a problematic field of this technology. Despite of the efficiency of the IP-multicast it has not been deployed in the whole Internet. Especially the global address allocation is a problematic part of the Internet-wide multicasting. This article addresses such problems in order to review the existing methods and the emerging research results. The IP-multicasting uses a shared IPv4 address range. In Internet-wide applications the dynamic allocation and reuse of the addresses is essential. Recent Internet-wide IP-multicasting protocols (MBGP/ MSDP/PIM-SM) have a scalability or complexity problem. The article introduces the existing solution for the wide-area multicasting and also proposes a novel method, which overcomes the limitations of the previous approaches.

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