Re: Distribution CPG Protocol

[Oliver Spatscheck <spatsch@research.att.com>]

Alex French writes:
 > At 05:27 PM 10/01/2001, Oliver Spatscheck wrote:
 > >  > Sure, but how can bandwidth be quantified a an integer? What exactly 
 > > would
 > >  > a bandwidth metric of, say, "10", mean?
 > >  >
 > >  > Alex.
 > >
 > >That would be negotiated off line in the SLA between the two CDNs.
 > 
 > Surely the reason for having this metric is to make comparisons between 
 > CDNs. If each CDN calculates the metric in a different way, how can they be 
 > compared? Or am I missing something?


For each CDN you are peering with the  policy engine calculates:

exchanged_value + off_line_SLA + policy ==> comparable_value 

and then the policy engine compares the results.

Oliver