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BGP Extension for MPLS P2MP-LSP
Satoru MATSUSHIMA Tetsuya MURAKAMI Kenichi NAGAMI
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/01/01
Online ISSN: 1745-1361
Print ISSN: 0916-8532
Type of Manuscript: Special Section PAPER (Special Section on New Technologies and their Applications of the Internet III)
BGP, MPLS, P2MP, RSVP-TE,
Full Text: PDF(443.9KB)
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Contents delivery services are deployed over the Internet and its technology. Contents delivery services demand high quality. Consequently, a large network capacity is required. In order to efficiently deliver such contents and to meet high quality demands, network operators are required to explicitly indicate the branch node and/or the link so that packets are efficiently sent. Fast restoration at the time of trouble has become an important issue. MPLS technology has been utilized to realize Traffic Engineering and Fast Reroute to cope with this issue. However, only a point-to-point path is allowed in the current MPLS technology. To allow an efficient high-quality contents delivery, a point-to-multipoint path called as P2MP-LSP is under discussion. However, proposed methods lack of getting information about P2MP-LSP node due to the current MPLS signaling method to establish P2MP-LSP. This paper introduces a discovery technique of the P2MP-LSP node and an establishment technique of the P2MP-LSP using BGP. In addition, a basic function of this proposal is experimented, and its practicality is evaluated.