>>>>> "Nico" == Nico Williams <[log in to unmask]> writes:
Nico> Also, presumably the trust path routes won't change/flap anywhere near
Nico> as often as IP routes, right? So it should be safe to cache these
Nico> paths for quite a while. Also, validation of cached paths could be
Nico> done asynchronously, in the background.
Well, I'd just cachec the end-to-end key and what realm it mapped to. No
need to cache the root; caching the key gets you the same effect. But
yes, you *could* cache the route and validate asynchronously.