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SOA In Practice

SOA In Practice . Oisin Hurley, IONA. … at a glance. Customers include world’s largest firms. Solid business with a history of profitable growth. 80% of Global Telecom 70% of Financial Services in Global 100 Blue Chip System Integrator Partners. Founded in 1991 Publicly traded since 1997

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SOA In Practice

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  1. SOA In Practice Oisin Hurley, IONA

  2. … at a glance Customers include world’s largest firms Solid business with a history of profitable growth • 80% of Global Telecom • 70% of Financial Services in Global 100 • Blue Chip System Integrator Partners • Founded in 1991 • Publicly traded since 1997 • $50+ million cash on hand • No debt NASDAQ:IONA Our Approach: Making Software Work Together™ • Deliver high performance integration software for mission critical applications • Make heterogeneity an asset, not a liability • Deliver on the value proposition of standards Worldwide presence • EMEA HQ in Dublin, Ireland • US HQ in Massachusetts • APAC HQ in Tokyo, Japan

  3. SOA • Architectural Principle • Define how a community engages • Enterprise Strategy • Flexibility from the business standpoint • Technology • No, it’s not Yet Another Integration Technology • It’s got very little to do with that at all

  4. SOA Principles • Formal Contract • Terms of engagement for use • The design is an investment • Requires maintenance • “Loose Coupling” • Soft landing for unforeseen changes • Less dependencies between consumers and service implementations • Contributes to organizational flexibility

  5. SOA Principles • Abstraction of underlying logic • Only the contract is visible • Implementation is black-box • Autonomy • Service should have full control of its resources to realise repeatable scaling • In real life, resources are generally shared • Possibilities in greenfield developments

  6. SOA Principles • Reusable • Service should have repeatable value • Building less new stuff is good • Business-oriented, unlike OO-style interface reuse • Composable • To allow us to chain services together to provide new services • This is different from reusable as it informs the design of operations, message formats • Building new stuff quickly is good

  7. SOA Principles • Stateless • This means a service must do its best to hold onto state information pertaining to an interaction for as small a duration as possible, e.g., do not retain awareness of a message once it is processed • This helps with concurrent access scaling • Discoverable • Helps to prevent the development of redundant services and logic • Implies that community organizes itself around and maintains service metadata

  8. What does SOA help solve? • Future integration challenges • SOA helps reduce the number of moving parts • Future infrastructure flexibility • SOA helps codify the use of applications rather than focussing on the applications • Salve for complexity in IT environments • Decompose the environment • Incrementally address different issues • Reduce the fear

  9. Use Case 1 Pick The Best Technology

  10. Use case 1: BSS integration solution • Integration solution for mobile provider in middle-east • Links ordering to third-party provisioning system, payment system and financial institution.

  11. Use Case 2 Dealing With Interesting Decisions

  12. Use case 2: OSS integration solution • Integrate network events from Cisco Information Centre to backend systems of UK mobile operator. • Cramer, ServiceView, CRM (Vantive, Clarify and Remedy) • Modular architecture. • Flexible deployment with pluggable back-ends for alternate CRM instances.

  13. IDL WSDL WSDL Use case 2: OSS integration solution <<remedy>>:ARServer <<artix>>:Osiris ARAPI <<cic>>:CorbaProbe proprietary <<j2ee>>:Clarify IIOP A Java A RMI/IIOP IIOP <<amdocs>>:Vantive <<cic>>:SocketProbe proprietary A <<db>>:Cramer Name-Value/TCP DBSchema JDBC

  14. Use Case 3 Sudden Value!

  15. WSDL Use case 3: OSS integration solution Engineer arrives at a base station, and needs fault information. He sends an SMS to the man-on-site short code. • Send inventory notifications to on site engineers via SMS, for UK mobile operator SMS <<artix>>:ManOnSite <<servlet engine>>:Tomcat :SCAP A SOAP/HTTP HTTP XML/HTTP

  16. WSDL Use case 3: OSS integration solution SCAP box sends SOAP/HTTP to service endpoint, and acknowledges receipt of SMS. <<artix>>:ManOnSite <<servlet engine>>:Tomcat :SCAP A SOAP/HTTP HTTP XML/HTTP

  17. WSDL Use case 3: OSS integration solution Service delegates call to a back-end system. <<artix>>:ManOnSite <<servlet engine>>:Tomcat :SCAP A SOAP/HTTP HTTP XML/HTTP

  18. WSDL Use case 3: OSS integration solution Service parses HTTP response and sends a sequence of SMS messages to the engineer. <<artix>>:ManOnSite <<servlet engine>>:Tomcat :SCAP A SOAP/HTTP HTTP XML/HTTP

  19. WSDL Use case 3: OSS integration solution Engineer receives SMS notifications and carries out work. <<artix>>:ManOnSite <<servlet engine>>:Tomcat :SCAP A SOAP/HTTP HTTP XML/HTTP

  20. Use Case 5 Wrapping COTS Applications

  21. <<remedy>> <<service>> A SOAP/HTTP WSDL 2. createTroubleTicket() WSDL WSDL <<HPOV>> <<service>> <<service>> <<cramer>> Use case 5: OSS Integration solution COTS applications are wrapped with rich WSDL interfaces providing business service functionality. 1. getInventoryInfo() A A

  22. Use Case 6 Tailoring Services

  23. <<linux>> <<linux>> Use case 6: service provisioning for healthcare professionals • Integration bridge between national health-care system • Providing patient care data to medical professionals on PDA. • Supporting synchronous, asynchronous and reliable asynchronous message exchange patterns. Presentation Layer Hot replica SPINE

  24. Use case 6: Service Provisioning for Healthcare Professionals

  25. Use Case 7 Real World Intervention

  26. <<linux>> <<linux>> <<linux>> <<location>>:replica1 <<location>>:replica1 Use case 7: server farm for insurance rating app • Legacy rating engine, distributed over a farm of processors • C++ DLL exposed as a web service, clustering provided • Session management used to ensure consumer stickiness. • Services accessed via Tomcat presentation layer. <<servlet engine>>:Tomcat <<servlet engine>>:Tomcat

  27. BIG SOA

  28. SOA in The LARGE • Previous cases are real, but small, tactical integrations that use SOA principles • There is also SOA in the LARGE • Vast projects • Cross-cutting in a business • The intent is to introduce long-term efficiencies • Generally means replacing silo efforts as much as possible

  29. Duplicated operations Diverse protocols Slow service development Siloed vs. Service-Oriented Networks PLMN PLMN Service PSTN/ISDN PSTN/ISDN Service Data / IP Networks Data/IP Networks Service CATV CATV Service GW GW GW GW Today Future Applications / Content IT Network Access APIs Backbone Network • Integrated operations • Standard protocol • Rapid service development

  30. Non-SOA IT System Silos

  31. SOA IT System

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