RE: Query re request routing

["Cain, Brad" <bcain@cereva.com>]

> I need to clarify and reaffirm the requirement "Single AUTHORITATIVE
> REQUEST-
> ROUTING SYSTEM for PUBLISHER object URI name space".  What 
> this means, is
> there
> only one authoritative party for the URI name space 
> containing objects being
> distributed.  All Content Networks in the distribution chain MUST have
> authority to operate on the name space granted to them by 
> this AUTHORITATIVE
> REQUEST-ROUTING SYSTEM.  The granting of this authority is done via
> delegation, which can be done either on-line via protocols or 
> off-line via
> SLAs or something contractually equivalent.  For the ACN 
> model, in order for
> ACN network elements to participate in the REQUEST-ROUTING 
> SYSTEM, the ACN
> must have received this delegated authority.  

I want to reaffirm what Gary wrote above... it is important to
note that within the context of CDNs there must exist an
authoritative party for content (e.g. URI space) and its associated
content delivery *because* we are dealing with CDNs 
and *not* interception caches

-brad