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Application Integration in Intranets and Extranets

Application Integration in Intranets and Extranets. Antti Kiviluoto 16.3.2004. Heterogeneous infrastructure. Today, companies have distributed their business-critical applications to several different systems – everything cannot be done within one system (e.g.ERP)

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Application Integration in Intranets and Extranets

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  1. Application Integration in Intranets and Extranets Antti Kiviluoto 16.3.2004

  2. Heterogeneous infrastructure • Today, companies have distributed their business-critical applications to several different systems – everything cannot be done within one system (e.g.ERP) • Critical business processes require communication between these systems and information sharing will increase in future • These systems are not necessarily located inside the company, but business processes may require communication between companies

  3. EAI and B2Bi • EAI – Enterprise Application Integration • B2Bi – Business-to-Business Integration • Two different acronyms, same needs • To speed up and automate business processes • To reduce costs and improve service • Differ from each other e.g. by • Security needs (encryption, authentication…) • Used protocols (in-house, EDI, RosettaNet, ebXML etc.)

  4. EAI Layer Model

  5. Two ways to integrate Point-to-point integration Centralized integration • It is relatively easy to make two applications communicate with each other – just link them with appropriate interfaces and conversions • What if there are more than two applications?

  6. Two ways to integrate Point-to-point integration Centralized integration • Making more than two systems communicate with each other using point-to-point links will result in ”spaghetti integration” • Maintenance of integration is a nightmare – change in one system reflects all over the architecture • What if these applications are located in different companies?

  7. Two ways to integrate Point-to-point integration Centralized integration • Using a centralized integration hub easies maintenance dramatically and reduces the total cost of ownership • If one of the system changes, there is one link that requires re-configuration – easier change management

  8. EAI and B2Bi

  9. Integration Market and Products • Product license revenue 1,37 billion USD (23% of the middleware segment) [Gartner] • Consolidation going on among integration vendors • IBM nro. 1 in the integration broker market, market share 19,1% • Other strong vendors: Microsoft, BEA and WebMethods

  10. Integration Challenges Technology • Standardization • Quick-Fix solutions • Point-to-point model Business • Internal personnel & organizational issues • Product variety • Mergers & Acquisitions

  11. Integration Opportunities Technology • Reusability • Change Management • Error handling • monitoring Business • Automation • ROI & TCO • Dynamic business relations

  12. Future • Convergence of EAI and B2Bi • Leading software vendors include integration module within their product (ERP, CRM etc.) • Service-Oriented Architecture (SOA) raises • Standards come and go

  13. THANK YOU! Questions?

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