[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: Asynchronous message queue by SMTP&POP3
I absolutely believe that xml over smtp/pop3 is a valid format/protocol combo. I have suggested this at many of the talks I have given. Some of the advantages and particular features: o existing servers (exchange/domino/many others) with many features (simple routing/filtering) o existing clients o existing protocols o existing client APIs (jmapi, ...) o security for clients, servers, messages in transit(smime) o almost guaranteed delivery or notification of failure o publish/subscribe servers already (listserv) o standard addressing mechanism o Caching/persistence model (leave on server or delete) o Protocols are already document based (compared to say IIOP) Disadvantages: o no server programming model - how does one program a java service at orchard@p...? o not strong enough reliable delivery o movement away from non-http protocols, ie webmail instead of smtp/pop clients o http asynch protocols emerging - ICE, biztalk, tpaML, ebML o No componentry available I've probably missed a number of advantages/disadvantages, but this might help continue the ball rolling. In general, I think xml over smtp is viable and cool, I just think that HTTP collective is going to assimilate asynch xml messaging at a personal (webmail) and at a device level. Cheers, Dave Orchard IBM technical architect XML Link co-editor > -----Original Message----- > From: owner-xml-dev@x... [mailto:owner-xml-dev@x...]On Behalf Of > K.Kawaguchi > Sent: Monday, February 07, 2000 4:41 AM > To: Simon Hargreaves; xml-dev@x... > Subject: Re: Asynchronous message queue by SMTP&POP3 > > > > > 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? > > > Yet unsolved question is whether such a component already exists or > not... > > > ---------------------- > K.Kawaguchi Swift,Inc. > E-Mail:k-kawa@s... > > >
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