- From: <touch@isi.edu>
- Date: Fri, 21 Feb 1997 07:54:43 -0800
- To: rdaniel@acl.lanl.gov, connolly@w3.org
- Cc: liberte@ncsa.uiuc.edu, touch@isi.edu, uri@bunyip.com
> OK, I'll bite: how is it that "location-dependent" vs. > "location-independent" is a technical distinction? > What mechanism depends on or uses the distinction in > any way? What's the test for "location dependent"? > > For 20 points: tell me the location of http://www.w3.org/. 1. the protocol is completely specified in this, i.e., HTTP over TCP on the default port of 80 2. www.w3.org is a fully-qualified DNS name The fact that DNS round-robining maps this to different addresses depending on when the query is posed is no different from the fact that all DNS names are symbolic, and that the mapping to IP addresses is done at resolution time. > The evidence you give -- that you would have a hard time calling > it a URN -- is exactly the sort of _non-technical_ difference > in perspective that I'm talking about. It's very technical. The host requirements RFC specifies locations as either fully-qualified DNS names or IP addresses. And that's what you have here. I.e., you have as much of a location as the internet allows. Joe ---------------------------------------------------------------------- Joe Touch - touch@isi.edu http://www.isi.edu/~touch/ ISI / Project Leader, ATOMIC-2, LSAM http://www.isi.edu/atomic2/ USC / Research Assistant Prof. http://www.isi.edu/lsam/
Received on Friday, 21 February 1997 10:54:53 UTC