Re: Advertisement Protocol -- more thoughts

[Kobus van der Merwe <kobus@research.att.com>]

Stephen Thomas wrote:

> At 10:44 AM 2001-01-09 -0500, brad cain wrote:
> > > >URL Exchange Protocol (proxy case)
> > > >----------------------------------
> > > >This protocol exchanges a list of urls and a set of metrics with
> > > >each set.  This protocol is used to communicate metrics to proxies or
> > > >transparent proxies.  An example would be a CDN advertising
> > > >
> > > >"Content AS": 2
> > > >url: http://www.blah.com/images
> > > >nexthop: surrogate 1
> > > >metric: 10
> > >
> > > Can Brad (or anyone else) help me understand what nexthop and metric are in
> > > this case?
> >
> >The next hop would be a useful for either layer-7 switches or
> >proxies... it would work very much like a BGP next hop which would
> >specify the specific surrogate that had the content (in cases
> >where the advertisement wasn't coming directly from the
> >surrogate itself).
>
> Sorry to be so confused, but I'm still a little lost. I thought we were
> talking about a content provider advertising its content to a CDN. So, the
> content provider doesn't own surrogates, right?
>

I thought in the context of the discussion that "content provider" could
also be another CDN. No ?

Kobus