Re: No "TOP" of the docuverse [Was: URC usage scenarios ]

jolt!avatar@jolt.mpx.com.au
Wed, 5 Oct 1994 00:04:23 +1000 (EST)

From: jolt!avatar@jolt.mpx.com.au
Message-Id: <m0qsB3y-0005tXC@jolt.mpx.com.au>
Subject: Re: No "TOP" of the docuverse [Was: URC usage scenarios ]
To: rtor@ansa.co.uk (Owen Rees)
Date: Wed, 5 Oct 1994 00:04:23 +1000 (EST)
In-Reply-To: <9410041210.AA16411@plato.ansa.co.uk> from "Owen Rees" at Oct 4, 94 01:10:43 pm

> avatar@jolt.mpx.com.au (Andrew Pam) writes:
> > My proposal is to make the URNs relative to the current server at all times.
> > Each host can follow a straightforward algorithm to make each URN relative
> > to itself whenever one is received, requiring only the name of the host
> > from which each URN was transferred. [...]
>
> This sort of totally context-relative strategy works fine for names that can
> only ever be transmitted through an infrastructure that does all the necessary
> name generation and resolution. It does not satisfy the "bar napkin"
> requirement; you cannot write those sort of names on a bar napkin, or print
> them in the newspaper and have people type them in so that they refer to the
> intended resource.

Of course you can, as long as you also supply the necessary context. In this
proposal, a host which the URL is expressed relative to. The URLs are then
still globally unique since they can only be compared after having been
transformed into their canonical form - ie relative to the current host.

Share and enjoy,
*** AVATAR ***

-- 
Andrew Pam                                      avatar@aus.xanadu.com
Manager, Serious Cybernetics                    avatar@jolt.mpx.com.au
Coordinator, Xanadu Australia                   <http://www.aus.xanadu.com/>
P.O. Box 409, Canterbury VIC 3126 Australia     gopher gopher.aus.xanadu.com