[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: new to cdn internetworking



These proxy services on content are getting into OPES space where inter 
domain requests are with CDI.

At 09:14 AM 11/13/2001, Eric Dean wrote:

>When running everyone's through forward proxies (which does every business
>via a firewall and some major ISPs), the proxy becomes a layer7 network
>device that can do pretty much anything with content requests.
>
>On Tue, 13 Nov 2001, Jasdip Singh wrote:
>
> > Hi.
> >
> > http://www.ietf.org/internet-drafts/draft-singh-uri-localization-00.txt 
> proposes
> > one such approach for restricted contextual resolution of URIs by 
> geography,
> > language, and category. It proposes using NAPTR DNS RR (providing a simple
> > context specification mechanism through regular expressions) for structured
> > identifiers like URLs due to ability to derive a domain name from a URL and
> > pervasive, proven nature of DNS for storing such transformation 
> information.
> >
> > Other directory service solutions for limited contextual resolution are 
> being
> > proposed like the Service Lookup System proposal which proposes using 
> Common
> > Name Resolution Protocol (CNRP) instead and would be very useful for 
> unstructed
> > identifiers like keywords. I believe, in the end, a hybrid solution 
> involving
> > various directory services and what they are best suited to resolve would
> > emerge, further considering global deployment and deployment latency 
> issues with
> > each of these solutions. I have not yet seen much interest in my 
> proposal. :)
> >
> > Jasdip
> >
> > Richard Wade wrote:
> >
> > > One of the problems with providing effective content routing is that 
> you are
> > > trying to bridge the gap between application-layer information and IP
> > > routing infrastructure. I think many people would agree that a DNS race
> > > solution is nicely application independent, but certainly has potential
> > > limitations.
> >
> >
>
>Eric Dean
>President, Crystal Ball Inc.
>W 703-322-8000
>F 703-322-8010
>M 703-597-6921

Michael W. Condry
Director,  Network Edge Technology