Aijun,
[WAJ] SAVNET can utilize the ECMP path in the network. Upon the event of network failures, the SAVNET messages should be triggered again to update its SAVNET table to let the traffic pass the fallback path, done as that the convergence of IGP protocol, which I think can solve your concerns.
Here we touch the most important thing I am concerned about.
Building networks which depend on protocol convergence in the event of failure is worst possible choice.
We have learned that lesson many years ago and solved it by precomputing and pre installing repair paths based on redundant routing information. Connectivity restoration here only depends on local failure (full or partial) detection time. Some new designs can go even further and predict the failures too before they even happen.
It would be a huge disservice to any network to go back to medieval times to wait for convergence upon network failure.
No thank you !
Best,
R.
