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> So each message, no matter the size, should be parsed to determine > authorization, authentication and validity? As opposed to > stopping/redirecting a request based on the URL/request-credentials > before a parse happens? Should be? Even I'd be reluctant to use something other than "may." If your gateway facility is fast enough to handle the traffic, than you can get significant performance gains by offloading stuff like you mention from your application servers. A J2EE server is not usually the most performant place to do a WS-Security signature validation. There are security benefits, too. Put the router into your DMZ and you prevent bad messages from even getting onto your network. Pass all XML traffic through it and you have a guaranteed policy enforcement point. But definitely, not everyone needs or wants to do this. It's all about engineering trade-offs. /r$ -- Rich Salz, Chief Security Architect DataPower Technology http://www.datapower.com XS40 XML Security Gateway http://www.datapower.com/products/xs40.html
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