[JDEV] Jabber Client Design Tutorial

[Peter Saint-Andre]

Not quite how I defined things in the glossary, but I rather like it. :)
Maybe I'll update http://docs.jabber.org/general/html/glossary.html this
weekend....

Peter

--
Peter Saint-Andre
email/jabber: stpeter at jabber.org
web: http://www.saint-andre.com/

On Fri, 28 Sep 2001, Dave Waite wrote:

> Michael Brown wrote:
> 
> >
> >>Perhaps as a first step we can find some agreement about terminology
> >>("roster" vs. "contact list" vs. "buddy list", "transport" vs. "gateway",
> >>etc.)
> >>
> >
> >I actually prefer "Contact List" but "Roster" seems to be well defined for
> >Jabber - which I can live with - although it does sound a little like there
> >should be some house-hold chores involved :-)
> >
> Contact list is my favorite. All three imply that only Instant Messaging 
> users are in the List.
> 
> >I've always been confused between "Transports"/"Gateways"/"Agents" so if
> >someone could clear that up for me that would be great.
> >
> I'll take a stab; how about:
> 
> Entity - Any thing which interacts with the Jabber system, and/or which 
> is available to be interacted with by other Entities in the Jabber system.
> Jabber IM User - An entity using the Jabber system as an 
> Instant-messaging platform.
> Component - An entity which has a trusted relationship with a Jabber 
> server, and which provides some set of services to Entities (either to 
> Jabber IM Users or to other Components)
> 
> Gateway - A component which provides direct access to non-Jabber 
> services to Jabber IM Users. No distinction is made to whether the 
> component also allows a mapping from the non-Jabber service to access 
> all of Jabber
> Agent - A component which provides a mapping between a non-Jabber 
> services and the Jabber system by authenticating with that remote system 
> on behalf of a Jabber User.
> Transport - An agent which specifically provides access to a non-Jabber 
> Instant Messaging system.
> 
> Examples:
> 
>     * Jabber conferencing would be a component, because it is providing
>       a native Jabber service
>     * IRC access would be considered a gateway since IRC is a remote
>       service, but there is no registration required
>     * Access to an IMAP mailbox (some sort of jabber-biff) would be
>       considered an agent, since registration is required
>     * Access to AIM or Yahoo! would be considered a transport
> 
> How is that? :-)
> 
> -David Waite
> 
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