On 11/12/10 4:22 AM, Dave Reynolds wrote:
On Thu, 2010-11-11 at 12:52 -0500, Kingsley Idehen wrote:
All,
As the conversation about HTTP responses evolves, I am inclined to
believe that most still believe that:
1. URL is equivalent to a URI
2. URI is a fancier term for URI
3. URI is equivalent to URL.
I think my opinion on this matter is clear, but I am very interested
in the views of anyone that don't agree with the following:
1. URI is an abstraction for Identifiers that work at InterWeb scale
2. A URI can serve as a Name
3. A URI can serve as an Address
4. A Name != Address
5. We locate Data at Addresses
6. Names can be used to provide indirection to Addresses i.e., Names
can Resolve to Data.
Why would this be a matter of opinion? :)
After all RFC3986 et al are Standards Track and have quite clear
statements on what Identifier connotes in the context of URI.
Such as:
"""
Identifier
An identifier embodies the information required to distinguish
what is being identified from all other things within its scope of
identification. Our use of the terms "identify" and "identifying"
refer to this purpose of distinguishing one resource from all
other resources, regardless of how that purpose is accomplished
(e.g., by name, address, or context). These terms should not be
mistaken as an assumption that an identifier defines or embodies
the identity of what is referenced, though that may be the case
for some identifiers. Nor should it be assumed that a system
using URIs will access the resource identified: in many cases,
URIs are used to denote resources without any intention that they
be accessed.
"""
Dave
Dave,
IMHO. DomainKeys Identified Mail (DKIM) Service Overview (RFC) [1] has a
clearer definition:
A person, organization, place, idea, subject matter topic/heading, and
other real world things possess "identity" -- that is, a constellation
of characteristics that distinguish them from any other identity.
Associated with this abstraction can be a label used as a reference, or
"identifier". This is the distinction between a thing and the name of
the thing.
1. http://www.dkim.org/specs/rfc5585.html -- DomainKeys Identified Mail
(DKIM) Service Overview RFC
--
Regards,
Kingsley Idehen
President& CEO
OpenLink Software
Web: http://www.openlinksw.com
Weblog: http://www.openlinksw.com/blog/~kidehen
Twitter/Identi.ca: kidehen
