To ensure successful SOA implementation, companies should reconsider how they provide decision services. The unmanageable, black-box approach of wrapping legacy code does not work. BRMS (Business Rules Management System) helps companies meet the SOA promises of reuse and agility with Transparent Decision Services that are truly reusable, modeled by business analysts, maintained by business teams, and managed by IT. BRMS allows externalized decision logic, are modeled and maintained by business teams and analysts, managed by IT, allow automatic auditable capture with extensive reporting, and are easy to repurpose and maintain.

1. Connecting SOA with Business Rule Management Systems (BRMS) Transparent Decision Services Alain Gendre SOA and BPM Program Manager, ILOG SOAWorld 2007, New York

2. Fined-grained Services ready for reuse Coarse-grained Services = business services Mainframe ERP … Legacy Applications The theory of SOA Reuse = cost reduction = agility

3. Real-life examples 7 of function points they found, the team isolated between 200 and 500 functions that are needed for the more than 90,000 business transactions (such as setting up a new landline account) that Verizon performs. Then the team looked across the infrastructures and found five to 25 redundant versions of each function […] "When I said we have 18 slightly different versions of 'credit check' buried inside different applications in different agencies," says Miszewski, "the agency heads could understand why having all those different versions was a problem[…] Verizon State of Wisconsin Sep 05

5. The typical evolution of a decision service Consumers Decision Service Business owners Transactions n consumers US WW Europe m business owners l languages 100m transactions 2 consumers “ CA” & “OR” CA OR US 3 business owners 100k transactions Eligibility in CA 1 consumer = “CA” 1 business owner 100s transactions

6. Business Rule Management System Databases User Tools provide accessibility and rule management Rules are extracted and stored in a Rule Repository Rule Engine provides execution and deployment throughout the process Spreadsheets Manual Processes Monolithic Applications Rule Repository Mainframe User Tools Rule Engine The major elements of a Business Rule Management System (BRMS)

7. Fined-grained Services ready for reuse Coarse-grained Services = business services Mainframe ERP … Legacy Enterprise Rule Repository Applications Business Rule Management System  BRMS+ SOA = Agile SOA

9. Manage business logic volatility

10. Manage complex business logic Business-driven organization RuleFlow Dynamic select

11. Manage complex deployment

12. ILOG’s Transparent Decision Services Developer Business expert Governance Integration Agility ILOG BRMS TDS

16. Q A & Thank you [email_address] www.ilog.com