Re: How could RDDL be distributed ?

[Michael Mealling <michael@bailey.dscga.com>]

On Tue, Jan 16, 2001 at 12:13:26PM -0500, Mark Baker wrote:
> Miles Sabin wrote:
> > The problem I want a solution to is,
> > 
> >   I have a public ID/system ID/URI for this DTD, external entity,
> >   schema, RDDL doc, etc.; find me a server which can give me an
> >   authoritative copy (in the case of a URI maybe a mirror of the
> >   main server).
> > 
> > or maybe rather than finding a server I just want the
> > authoritative copy itself.
> 
> Or a cached copy?
> 
> > So I guess it's more the former than the latter that I'm
> > interested in, and yes, from my reading of the existing RESCAP
> > docs it doesn't appear to address that problem.
> 
> Why bother with RESCAP when HTTP was designed to do this?  For the
> disconnected example, set up a HTTP proxy cache on your laptop,
> configure your browser to use it, browse to resource so it may be
> cached, and there you go.  Other user agents on the laptop can be
> configured to use the proxy too (e.g. JDK).

RESCAP is a bit faster and more lightweight than HTTP. By the time
HTTP has done the 3 way handshake for the TCP session RESCAP
has already gotten the answer....

> Don't be too concerned about "hot spots".  Who knows, maybe whomever
> maintains that document uses Akamai.  Ain't abstraction wonderful?

I think that's part of the problem. The abstractions are hiding
some of the metadata you need in order to determine what or where the
appropriate copy of something may be....

-MM

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