Winding down to the last part: (I agree that encryption or mimicry is useful only when it works, but not much more can be said than that)
On 5/3/2017 2:59 PM, Templin, Fred L wrote: > The problem is that if there are N paths in the multipath the ingress has > no way of knowing that it has probed all N of them. And, if a transit > packet arrives that would be tunneled over a path that has not been > probed, it could black hole if the MTU is too small. That's correct - PLPMTUD can fail at any time if the PMTU changes and becomes smaller (for any reason, including link reconfiguration, path changes, multipath selection). That's why it keeps retrying. Again, this isn't new or unique to tunnels. Joe _______________________________________________ Int-area mailing list [email protected] https://www.ietf.org/mailman/listinfo/int-area
