> From: Damien Saucez <[email protected]>
> However, we observe a much more variable delay now with DDT than before
> where delays were very stable with time.
Is this variation for a single MR<->{something} interaction, or is this the
overall time from i) an ITR needing a mappping to ii) it getting the mapping?
If the latter, it makes sense that there is more variation.
Previously, the Map-Request was sent over the ALT (via the ALT's root, in
almost all cases) to the ETR, and then the reply came back. Not a lot to vary
there (although the path from the root to the Map-Server would vary a bit).
Now, depending on how the delegation tree is configured (i.e. how many layers
from the root to the Map-Server for the mapping in question), how many of
those delegations are cached in the Map-Resolver the ITR is talking to, etc
you would expect to see a certain amount of variation.
Noel
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