Long hops on international paths

Nick Hilliard nick at foobar.org
Tue Jan 18 15:37:14 UTC 2022

PAUL R BARFORD wrote on 18/01/2022 14:48:
> So, the question is what is the cost/benefit to providers to 
> configure/maintain routes (that include long MPLS tunnels) that tend to 
> concentrate international connectivity at a relatively small number of 
> routers?

the cost of mpls TE is pretty low: a couple of extra config lines per 
LSP.  The benefit can be substantial in terms of having fine-grained 
control of how packets traverse a network, and allow optimisation of 
specific policy outcomes, e.g. cost / latency / throughput / pktloss / 
qos / etc.


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