Re: [Simple] Address and person URIs

[Jonathan Rosenberg <jdrosen at dynamicsoft.com>]

inline.

Henning Schulzrinne wrote:


> > I'm not sure how one would properly define the scope of "service" in 
> > such a context...
>
>
> Depends on what you mean by "scope". If you mean "what does the foo 
> service really mean, i.e., what do I get", I'd punt: the registrant 
> defines the meaning of the service.

No. What I meant was, what are the set of things for which it would be 
valid for me to register wtihin this namespace. For example, is this OK:

urn:service:dog-washing-service

Or how about this:

urn:service:soap-binding:method-name

"service" is sufficiently broad that there is almost nothing that ISNT a 
service by someones definition...

> I had one simple model in mind: Define by resolution. Each service is 
> associated with a DNS resolving hierarchy, e.g.,
>
> urn:service:sos.arpa
>
> is the service defined by the DNS resolution mechanism sos.arpa. The 
> assumption is that any proxy that resolves this domain has to know what 
> request information is necessary to do the resolution, e.g., by location 
> or other request property.

Not sure I follow here.

I was hoping to avoid anything that actually requires resolution in the 
dns. I think this increases complexity well beyond what we need for the 
problem at hand.


> This doesn't necessarily fit the 'real human being' one all that well, 
> but some other services, including
>
> urn:service:pizzahut
> urn:service:directory-service
>
> work reasonably well, as long as each service can agree on a resolution 
> mechanism. This is somewhat akin to an IP-level anycast service: "I want 
> any suitable instance of this service and you figure out what that might 
> be".

Well, I just think that this is a problem for someone else to solve...

-Jonathan R.

--
Jonathan D. Rosenberg, Ph.D.                600 Lanidex Plaza
Chief Technology Officer                    Parsippany, NJ 07054-2711
dynamicsoft
jdrosen at dynamicsoft.com                     FAX:   (973) 952-5050
http://www.jdrosen.net                      PHONE: (973) 952-5000
http://www.dynamicsoft.com

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