CORBA/RMI vs XML/RDF/XMI
Miles Sabin <msabin@c...> writes: > I'm having trouble seeing why XML over HTTP is preferable to > eg. CORBA or Java RMI (maybe tunneled through HTTP if there's > a need to traverse firewalls) for application specific comms. > How is application specific markup better than an application > specific binary wire protocol? For many applications, especially inside the firewall, XML over HTTP is not the better choice. However, for devices with unreliable connectivity (say, home computers, portables, handhelds, etc.), it is very convenient to be able to take an object's state and send it out in a single transaction, and even inside the firewall it's sometimes useful to be able to write an object's state to disk and transfer it from a secure machine to a public machine by sneakernet (or likewise, by secure courier between two different companies). In other words Intranet = good connectivity = few users = stateful = CORBA/RMI Internet = bad connectivity = many users = stateless = XML/RDF/XMI This is, of course, a gross oversimplification, but it's at least a good starting point. All the best, David -- David Megginson david@m... http://www.megginson.com/ xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ or CD-ROM/ISBN 981-02-3594-1 Please note: New list subscriptions now closed in preparation for transfer to OASIS.
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