[Pool] Pool server monitoring 12ms offset
des at des.no
Tue Jun 8 19:37:45 UTC 2010
der Mouse <mouse at Rodents-Montreal.ORG> writes:
> "Dag-Erling Smørgrav" <des at des.no> writes:
> > If, on the other hand, all connections are symmetric, it does not
> > matter whether a packet from A to C (or from C to A) is routed
> > through B or D.
> That actually does not follow. It's true only if the connections are
> not only symmetric but equivalent.
Yes. In both cases, I assume that the connections are equivalent.
> If, for example, all connections are totally symmetric - both
> directions the same - but the D<->C link has substantially higher
> latency (both ways) than the other three, then (absent congestion and
> the like) A<->C will perform better if routed through B.
In a properly configured OSPF network, the routers will know that D<->C
has higher latency and adjust their routing decisions accordingly.
Dag-Erling Smørgrav - des at des.no
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