Peter,
> again, if you use option 2. There are way too many networks without it. > There is even more networks without PUA/PULSE today. Should that be a factor ? > In summary, we need something that works independent of the BGP design > and also works outside of BGP. > Really ? Is that the requirement that the solution provided MUST not use BGP ? Please kindly describe a full practical deployment scenario where PULSE helps when BGP is not used at all in the network for distributing service reachability. OSPF and ISIS are *link state* protocols. You are asking to extend them to carry *node state* now. Specifically just to carry the UP -> DOWN transitions of a node state and moreover in an ephemeral fashion. Thx, R,
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