[e2e] traffic engineering considered harmful

Henning G. Schulzrinne hgs at cs.columbia.edu
Tue Jun 12 17:19:42 PDT 2001

grenville armitage wrote:
> Manish Karir wrote:
>         [..]
> > think about it...if you spend millions building
> > out your network, would you let somebody else control it??
> If one was in a monopoly situation, the answer is obvious.
> But perhaps Jon's suggestion makes more sense if you think
> of the user selecting on a per-AS basis, rather than literal
> hops inside any particular provider's million dollar network.
> Start with something simple like an end user architecture that
> supports minute by minute choice/re-choice of one's first/last-hop
> provider.  The network operator(s) would get to keep control of
> *their* networks, but would have to compete to be chosen as
> *the* network by educated consumers. Scaling the "informed choice"
> aspect of this model is left as an exercise for the reader...
> (in the US phone system "informed choice" appears to involve
> advertising imploring us to "dial 1800CALLATT" or "1010<blah>"
> for some price point or other. There's a lesson in there
> somewhere...)

Isn't that what multihoming does, with the edge router rather than the
user making the choice? How does this differ from (particularly) IPv6
loose source routing?
Henning Schulzrinne   http://www.cs.columbia.edu/~hgs

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