•Intra-AS exists, sort of QOSPF
•Its quite hard – (NP hard for more than additive + 1 non additive parameter
• throughput and
jitter are all non-additive metrics and
loss and delay may be
•Inter-AS we have zilch (except hacks based on multi-homing)
•In theory could do shortest widest or widest shortest, but user still needs to see ful MESH of BGP path data!
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