XML and P2P
As XML becomes bigger in the P2P world, and elsewhere, its end-to-end security architecture is creating problems. This article discusses the XML emergence in the P2P world and how many of the security issues can be solved through Web services, possibly even the Global XML Web Services framework.
Some tidbits:
Today's peer-to-peer communications, however, call for an extra layer of sophistication. While programs like LapLink are designed primarily to push file-level information from one PC to another, P2P platforms seek to go further, sharing data and linking applications that might otherwise be incompatible.
The engine fueling P2P communications is driven by XML communications
The Jabber messaging framework is yet another example of XML use in emerging P2P environments
All messages in Jabber Inc.'s framework, including instant message content, presence changes, and configuration updates, are delivered as XML fragments. Commercial Jabber software makes both the server API and protocol environment, XMPP (XML-based Messaging and Presence Protocol), available to developers.
Jabber's reliance on XML allows it to integrate its client with Web page content. With the commercial version of Jabber, enterprises that embed the instant messaging WebClient into their page can change the content of that page via Jabber XML messages without downloading and refreshing the page. The XML contains a URL that points to a location on a content server
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