Windows DNA 2000.ppt

Windows DNA 2000Microsoft Strategy For Developers In The Internet EraPeg Souderspegs@425-705-1877Microsoft Corporation Vision Developers: Key To Microsoft Agenda Developer Roadmap Review WinDNA DNA 2000 Developer Roadmap Windows DNAMicrosoft’s Enterprise Application Platform Windows DNA DNA 2000 Part 1 Enhance support for Web Services: XML processing and messaging First Megaservices Part 2 Comprehensive suite with new versions of key products History of Standards Evolution Observations Vendor-independent standards eventually win Proprietary solutions either develop compatible interfaces to VIS or vanish Those with strongest technology and tools are the best bets Microsoft is in a better position with XML than we were for messaging or networking Evolution To Web Services 1st 2nd Generation Web Apps 3rd Generation Web Examples of Web Services Some Web Service Scenarios Search engine enables you to program it without a browser Travel site enables you to compare against other travel sites Web customer relationship management software extended to search online White Pages Traffic monitoring site communicates with PIM to calculate how long it will take you between meetings Combining Web Services What SOAP Is Designed to perform Web method invocations OS, object model, language agnostic HTTP + XML on the wire Works over existing Internet infrastructure OS, language, and object model agnostic interoperability SOAP Message Structure SOAP Sample Call POST /StockQuote HTTP/1.1 Host: Content-Type: text/xml Content-Length: nnnn SOAPMethodName: Some-Namespace-URI#GetLastTradePrice SOAP:Envelope xmlns:SOAP=urn:schemas-xmlsoap-org:soap.v1” SOAP:Body m:GetLastTradePrice xmlns:m=Some-Namespace-URI” symbolDIS/symbol /m:GetLastTradePrice /SOAP:Body /SOAP:Envelope Security Builds on HTTP security HTTPS X.509 certificates Firewalls can filter easily Does not pass application code Developers/IT choose which methods to expose expl