Hi, Gunter:
Thanks for your deep considerations for the partition scenarios although it is
one rarely event I the network.
Regarding to your statements, one point I want to correct is that in the
mentioned scenario, R2 is also detached from R4 in area 2. This is the reason
that only R2 sends ou
wrt partitioned area’s and UPA’s. The wang PUA draft has an interesting
proposal for assuring that even with UPAs and partitioned area’s
non-conflicting information exist.
The solution proposal does come at cost of increased ISIS churn. This could be
an acceptable cost, especially considering th