© 2004 Flashline Inc. The Seven Faces of Reuse Enterprise Architect Summit June 8, 2004 Charles Stack Founder and CEO Flashline, Inc. © 2004 Flashline Inc.

The Seven Faces of Reuse qReuse is a benefit not a program qCase Studies 1.F500 Manufacturer – EAI as reuse 2.F100 Manufacturer – Outsourcing as reuse 3.F500 Financial – Reuse as reuse 4.F500 Travel Industry – Web services as reuse 5.F500 Diversified Financial – Silo Spanning as reuse 6.Federal Agency – Open Source as reuse 7.F500 Retailer – EA as reuse qBest Practices

© 2004 Flashline Inc. Fortune 500 Manufacturer EAI as Reuse Challenge Accretion: Added applications to keep up with corporate growth Spaghetti Net: Resulted in spaghetti architecture, hard-wired and point-to-point integrations Solution Formal EAI strategy Established a central EAI team EAI at design time One to many integrations leveraging SOA Central registry to manage interfaces and metadata SOA, components, frameworks, services, adapters Whos using, how to use, etc. Results Less Software = Maintenance reduced Saves 200+ person-days/month

© 2004 Flashline Inc. Fortune 100 Manufacturer Outsourcing as Reuse Challenge Reduce IT costs by 10% annually Outsourcing: Dont outsource the savings Solution Eliminate redundancy Examine existing architecture Consolidate functionality world-wide Establish central team Develop common architecture Facilitate the development, harvesting and maintenance of global technical components Results Eliminated ~$40 million in costs

© 2004 Flashline Inc. Fortune 500 Financial Services Provider Reuse as Reuse Challenge Bolster leadership in the mortgage industry Solution Established a Reuse Program Office Leverage collective experiences across all areas of the company Promote and market the program Package and distribute assets through central registry Incremental growth Process documents and templates License tracking Internally harvested IT assets Corporate approved open source assets Results Expanding to 2000 users corporate wide Reuse when you build, and build for reuse was embraced throughout the development community

© 2004 Flashline Inc. Fortune 500 Travel Industry Web Services as Reuse Challenge Reduce IT costs Improve business responsiveness Deliver more value by writing less software Solution Established Reusable Asset Review Board Governing board approves assets, sets standards, etc. Identified multiple initiatives for enterprise implementation Reuse, Web Services, Open Source, Legacy Transformation Communicating programs across the company Marketing, marketing, marketing Results Migrating to SOA to improve agility, productivity and to reduce maintenance

© 2004 Flashline Inc. Fortune 500 Diversified Financial Silo Spanning as Reuse Challenge Experienced tremendous, rapid corporate growth Implemented multiple IT initiatives Needed a way to integrate initiatives Reduce complexity, duplicate systems Solution Created a strategic reuse initiative to integrate architecture and process improvement programs Implement SOA across multiple platforms.NET, J2EE and legacy Established central asset management registry Results Saved thousands of development hours through reuse in initial rollout Consolidated systems Multiple components/applications combined into services

© 2004 Flashline Inc. Federal Agency Open Source as Reuse Challenge Controlled adoption of Open Source Avoid Billy Bobs Security Widget and Wrinkle Cream Solution Use central registry as single conduit for all approved Open Source Measure savings through comparison with commercial comparables Registry channels customization, feedback, and support Results Implemented entire OS technology stack (18 components) for 5,000 developers

© 2004 Flashline Inc. Fortune 500 Retailer Enterprise Architecture as Reuse Challenge Fast growth and acquisitions resulted in highly agile but inefficient IT process Use EA to bring agile efficiency Solution Creating Common Services Group Building EA Framework Using central registry to distribute framework and services throughout enterprise Results Agility with efficiency Stay tuned…

© 2004 Flashline Inc. Top Ten Best Practices for Reuse 1.Align Reuse program with business goals 2.Measure the programs impact 3.Product-line reuse & services yield greatest payoff 4.Incorporate just enough architecture and design 5.Focus on asset quality, not quantity 6.Establish a production group that receives input from consumers 7.Govern through organizational structure and processes 8.Take care when establishing incentives 9.Ramp incrementally, avoid big-bang 10.Take an iterative approach