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THIS FILE IS A PLACEHOLDER FOR A FUTURE TUTORIAL

The premise of MPLS is that it is expensive to make a forwarding decision at every router between a source and destination. If a 'label' is added that is the index value pointing to the entry in the forwarding database to which the packet should be forwarded, then the forwarding process ceases to be a lookup and becomes instead a process of what programmers call 'indirection', a very fast process.

MPLS creates label-switched paths (LSP's) between endpoints.


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