Competitor MPLS in metro networks
Multiprotocol Label Switching established in carrier backbones as the best means for transmitting IP traffic with support for classes of services via secure tunnels. However, suppliers of camera equipment has not yet come to an agreement on how deeply MPLS must penetrate into urban or regional networks. During a long discussion, the idea of using instead of expensive MPLS lite transport Ethernet - a method called Provider Backbone Transport.
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