xml-dev - RE: Asynchronous message queue by SMTP&POP3

[Michael Rossi <mrossi@crusher.jcals.csc.com>]

K.Kawaguchi wrote:
> 
> > I would have thought layering a messaging protocol over existing email
> > protocols, would be a bad idea. It would be better to have a service
that
> > could contain proccessing components based on the type of message going
in
> > e.g. the DTD. and also make it secure e.g. SSL from the start. The
service
> 
> Well, you are right in the sense that such a full fledged system is
> necessary.  I agree.
> 
> But at the same time I personally think that SMTP/POP3 can still work
> very well in many situations; especially for lightweight systems.
> Or, is it only me who feel like this?   If so, what am I missing?

   I don't think it's just you. A dedicated system/service could undoubtedly
yield some benefits for an environment with very robust requirements. But it
would also probably mean reinventing a few wheels along the way. I would
think you could meet a large majority of common requirements with an
adequate specification of how common transport protocols should be used.

> Yet unsolved question is whether such a component already exists or
> not...

   I don't know of any components specifically designed to optimize this
environment. The WfMC (http://wfmc.org) did do a MIME binding of their
abstract interoperability spec, which now has an XML syntax binding in beta.
The intent of the original MIME binding was to exchange these messages over
common e-mail protocols. But I don't think they developed any tools to
facilitate the exchange, sorry.

Michael A. Rossi
mailto:mrossi@jcals.csc.com
856-983-4400 x4911