RE: [RRG] Long term clean-slate only for the RRG?

["Tony Li" <tony.li@tony.li>]

|> Indeed.  It has nothing to do with installing state in intermediate
|> forwarders.
|
|I must be completely missing your point. That statement parses like
|nonsense to me. Of course both MPLS and layer-3 routing protocols both
|install state in intermediate forwarders. For MPLS, the state is the
|action to take on the top label (generally moving the packet in a
|particular direction). For a routing protocol like BGP, the state is
|the direction in which to move packets whose destination address falls
|within given prefixes.


Bill,

MPLS requires that you install state _per tunnel_ on intermediate
forwarders.  In other packet based tunnelling protocols, this is not
necessary.

Both MPLS and normal L3 protocols require routing state on intermediate
forwarders.

Tony


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