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Multicast traffic aggregation in MPLS-based VPN networks
2007
IEEE Communications Magazine
This article gives an overview of the current practical approaches under study for a scalable implementation of multicast in layer 2 and 3 VPNs over an IP-MPLS multiservice network. These proposals are based on a well-known technique: the aggregation of traffic into shared trees to manage the forwarding state vs. bandwidth saving trade-off. This sort of traffic engineering mechanism requires methods to estimate the resources needed to set up a multicast shared tree for a set of VPNs. The
doi:10.1109/mcom.2007.4342827
fatcat:zsb4uiropfbx5jhs4q6olbnitm