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Due to the increasing multicast applications and high desire for its deployment, it seems that any new technology should support multicast. However, Mpls (Multiprotocol Label Switching) technology which enhances IP packet forwarding capability by using layer 2 switching still does not offer any special solution for multicast support. In this paper, the authors propose a new mechanism for multicast over Mpls. They separate labels for unicast and multicast traffic. The method is use one label for each multicast tree. Therefore, consumes fewer labels compared to existing proposals and has smaller forwarding tables.
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