[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Asynchronous message queue by SMTP&POP3
> We are back to the content vs. transport issue. XML is content. > SMTP/HTTP are transports. It is usually no problem to stuff an XML document > into a message and send it along using whatever transport is desired. For > reliable async messaging, there are proprietary messaging systems available > from IBM, MS etc. etc. Just as HTTP is layered on top of TCP/IP one can > layer a transactional/reliability protocol on top of SMTP, but doing this is > not about XML per se, rather the domain of stuff like TIP, XA-Open etc. etc. I didn't get the impression the original poster (K.Kawaguchi) was confused about the distinction between content and network transport. I'm missing your point because the original inquiry was about software that: - exposes a component interface - supports message queues - can deliver XML. Is your point that we should only be discussing only document content, and not software or system architectures used with XML applications? In any case, there are classic messaging middleware products (pre-Java and pre-XML). MQSeries is an example, and it established a de facto standard wire protocol. There are newer (post-Java, post-XML) products that are wire compatible with MQ, but they include features such as Java messaging and XML interoperability. ================== Ken North ============================= See you at SIGS Java Developer Conference (London, March 13-15, 2000) www.javadevcon.com http://ourworld.compuserve.com/homepages/Ken_North ===========================================================
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