Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 1 Interoperability: Ensuring the Success of Web Services August 31, 2004 Andy Astor, Director, WS-I

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 2  Why is Web services interoperability important?  The evolution of the Web services “stack”  An introduction to WS-I  WS-I’s activities: past, present and future  How WS-I works with other standards organizations  Becoming a WS-I member Agenda

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 3 The evolution of an old idea: service orientation  Subroutines  Structured programming  Client-server  RPCs  Object-oriented  Components  Web services The Truth About Web Services

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 4 The Web Services Context

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 5 X X X X X X X X X X X X X X X X X X X X X X X X X X X X The Web Services Context

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 6 X X X X X X X X X X X X X X X X X X The Web Services Context

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 7 The Web Services Context

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 8 Web-based They are everywhere…not just on certain platforms Service-oriented Architecturally easier to use Coarse-grained Common language for business and IT Simple label/value pairs, XML-based, etc. Market difference Committed support from every significant vendor Close collaboration by the most influential companies WS-I: The Web Services Interoperability Organization The “last mile” for standards Implementation guidelines, tools and examples What Makes Web Services Different?

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 9 Evolutionary Patterns of Technology Time Value to Customers Mature Standards-Based Mature Standards-Based, plus New Innovations Immature Standards-Based Mature Innovative Immature Innovative

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 10 Evolutionary Patterns: Databases Mature Standards-Based Time Value to Customers Mature Standards-Based, plus New Innovations Few (Oracle, IBM, MS) Immature Standards-Based System R Mature Innovative IMS/DB, IDMS, dBase Immature Innovative File Access Many (Oracle, Sybase, Informix, Ingres, Tandem, IBM, Microsoft)

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 11 Evolutionary Patterns: Service-Oriented Architecture Mature Standards-Based Immature Standards-Based Time Value to Customers Mature Standards-Based, plus New Innovations Mature Innovative Immature Innovative Web Services Basic WS Advanced WS We are here

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 12 The Web Services Standards Stack Composition/Orchestration (e.g., WS-BPEL and/or WS-Choreography) Business Process Orchestration Portals (e.g., WS-RP) Management (e.g., WS-DM) XML, SOAP XML Schema, WSDL, UDDI, Attachments HTTP, HTTPS, SMTP, Others Invocation Description Transports Composable Service Elements Transactionality Security (e.g., WS-Security & other candidates) Reliable Messaging Endpoint Identification, Publish/Subscribe (various candidates)Messaging Additional Capabilities

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 13  An open industry effort chartered to promote Web Services interoperability across platforms, applications and programming languages.  A standards integrator to help Web services advance in a structured, coherent manner  Approximately 130 member organizations  70% vendors, 30% end-user organizations  Strong non-US membership, including very influential Japan SIG WS-I

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 14 Achieve Web services interoperability  Integrate specifications  Promote consistent implementations  Provide a visible representation of conformance Accelerate Web services deployment  Offer implementation guidance and best practices  Deliver tools and sample applications  Provide a implementer’s forum where developers can collaborate Encourage Web services adoption  Build industry consensus to reduce early adopter risks  Provide a forum for end users to communicate requirements  Raise awareness of customer business requirements WS-I Goals

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 15  For end-user companies  Reduces the cost, complexity, and risk of adopting Web services  Accelerates interoperable products and solutions to market  Helps ensure that business requirements are met  For vendors  Satisfies customer demand for cross-vendor interoperability  Speeds time-to-market for new product development  Enables vendors to influence industry direction as WS-I members  For all developers  Increases productivity via specifications, tools and best practices  Establishes framework for leveraging expertise of other developers  Enables developers to influence industry direction as WS-I members WS-I Value Proposition

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 16  Profiles  Defined set of specifications or standards at specific version levels  Guidelines and conventions for using these specifications together in ways that ensure interoperability  Sample applications  Use cases and usage scenarios based on customer requirements  Sample code and applications built in multiple environments  Demonstrate profile-based interoperability  Test tools and supporting materials  Tools that test profile implementations for conformance with the profiles  Supporting documentation and white papers Deliverables

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 17  Basic Profile  Core set of specifications that provide the foundation for Web services  Basic Security Profile  SOAP messaging security, transport and other security considerations  XML Schema Work Plan  Plan appropriate solutions for XML Schema interoperabiltiy issues  Sample Applications  Illustrate best practices for implementations on multiple vendor platforms  Testing Tools and Materials  Develops self-administered tests to very conformance with WS-I profiles  Requirements Gathering  Captures business requirements to drive future profile selection Current Working Groups

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 18  Basic Profile  Basic Profile 1.0 and 1.1 — More than 200 interoperability issues resolved in the Basic Profile 1.0 — Conventions around messaging, description and discovery  Simple Soap Binding Protocol 1.0  Sample Applications and Test Tools  Attachments Profile 1.0  Basic Security Profile  Security Scenarios — Document security risks in interoperable Web services, along with potential countermeasures  Basic Security Profile 1.0 (Draft) Delivered to Date

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 19 The Web Services Standards Stack Composition/Orchestration Business Process Orchestration PortalsManagement XML, SOAP XML Schema, WSDL, UDDI, SOAP with Attachments HTTP, HTTPS, SMTP, Others Invocation Description Transports Composable Service Elements TransactionalityWS-Security Reliable Messaging Endpoint Identification, Publish/SubscribeMessaging Additional Capabilities

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 20 WS-I’s Work to Date Composition/Orchestration Business Process Orchestration PortalsManagement XML, SOAP XML Schema, WSDL, UDDI, SOAP with Attachments HTTP, HTTPS, SMTP, Others Invocation Description Transports Composable Service Elements TransactionalityWS-Security Reliable Messaging Endpoint Identification, Publish/SubscribeMessaging Additional Capabilities

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 21  Ongoing work  Basic Security Profile (Final in late 2004)  Requirements gathering  XML Schema Work Plan Working Group  Likely future candidates  Update Basic Profile to include SOAP v1.2, WSDL v2.0, UDDI v3.0  Other profile candidates include reliable messaging, transactionality, orchestration, etc. — Driven by market demand What’s Next

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 22 WS-I, Standards and Industry

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 23  Reduce cost, complexity and risk  Provides confidence in interoperability  Common implementation guidelines  Improve productivity and accelerate time to market  Eases collaboration, both internally and with business partners  Allows companies to focus on added value, not basic plumbing  Simplify Web services buying decisions  The WS-I logo identifies conformance Business Value of WS-I Conformance

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 24  Join  Join a community of 130 industry leaders and visionaries with a shared vision for Web services interoperability  Foster commitment across your industry  Participate  Encourage customer participation and buy-in  Commit to an aggressive schedule for delivering resources to aid Web services implementations  Adopt  Ensure implementations conform with WS-I profiles  Promote conformance to customers and partners Join WS-I Today

Copyright © 2004 by The Web Services Interoperability Organization (WS-I). All Rights Reserved 25 ありがとうございました Join WS-I Today