Re: Comments on architecture document through Sect. 3 (long)

[Alex French <afrench@vianetworks.com>]

At 04:11 PM 27/10/2000, Mark Day wrote:
 >These are all based on draft-green-cdnp-gen-arch-01.txt

 >Section 2:
 >
 >...

 > > 3.  The CLIENT requests content from a SURROGATE.
 >
 >This can't be right. The CLIENT doesn't initially know about a SURROGATE in
 >a typical CDN, it gets redirected there. The CLIENT's model is that it's
 >interacting with either the ORIGIN or with a vanilla DNS system.
 >
 >There is a style of peering that involves the SURROGATE redirecting to
 >another CDN's SURROGATE, but it's not the only style we want to describe at
 >the abstract level.

This is further complicated by the fact that the CLIENT may be redirected
multiple times, at different levels, eg first by the DNS system and then at
the URI level by a virtual SURROGATE.

One way to phrase this without getting bogged down by specifics would be

3. The CLIENT wants to obtain content from the PUBLISHER. This content is
identified by a URI that refers to the ORIGIN.


--
Alex French
Consultant, Technical Services                E: afrench@vianetworks.com
VIA NET.WORKS, Inc.                           T: +353 86 818 8118


------- end of forwarded message -------


--
Alex French
Consultant, Technical Services                E: afrench@vianetworks.com
VIA NET.WORKS, Inc.                           T: +353 86 818 8118