Open Source Components Integration

Objectives Design Development Maintenance How to choose an Open Source component How to integrate it in your © Anyware Technologies-All Right Reserved developments How to be involved Open Source component integration – June 23rd, 2009 – David Sciamma – Anyware Technologies

Criteria • License ► Different licenses for different cases ► What is the targeted business model? ► Copyleft? Eclipse Public License ► Compatible with GPL? © Anyware Technologies-All Right Reserved GPL LGPL Apache License MIT Mozilla Public Licence BSD Open Source component integration – June 23rd, 2009 – David Sciamma – Anyware Technologies

Criteria • Community Users Contributors © Anyware Technologies-All Right Reserved Committers ► How strong / vibrant is this community? Open Source component integration – June 23rd, 2009 – David Sciamma – Anyware Technologies

Criteria • Ecosystem ► Individuals ► Service providers ► Adopters − Software vendors © Anyware Technologies-All Right Reserved − Industry ► Diversity == Strong ecosystem Open Source component integration – June 23rd, 2009 – David Sciamma – Anyware Technologies

Criteria • Maturity • Predictability ► Quality, Development ► Roadmap process ► Respect of the initial ► Tests schedule ► Bug tracker ► Previous versions © Anyware Technologies-All Right Reserved ► Success stories Open Source component integration – June 23rd, 2009 – David Sciamma – Anyware Technologies

Criteria • Hosted by ► Foundation ► Forge ► Independent © Anyware Technologies-All Right Reserved • Intellectual property © Open Source component integration – June 23rd, 2009 – David Sciamma – Anyware Technologies

Methodologies • QSOS • OpenBRR • Open Source Maturity Model (OSMM) • … © Anyware Technologies-All Right Reserved Open Source component integration – June 23rd, 2009 – David Sciamma – Anyware Technologies

Tools/Databases • FLOSSMetrics • QSOS • Ohloh • … © Anyware Technologies-All Right Reserved • The experience ! Open Source component integration – June 23rd, 2009 – David Sciamma – Anyware Technologies

Different roadmaps Your roadmap T0 V1 V2 V3 V4 © Anyware Technologies-All Right Reserved VN-1 VN VN+1 VN+2 VN+3 The component’s roadmap Open Source component integration – June 23rd, 2009 – David Sciamma – Anyware Technologies

Roadmap integration • 3 approaches Passive Active Integrated User Contributor Committer © Anyware Technologies-All Right Reserved Open Source component integration – June 23rd, 2009 – David Sciamma – Anyware Technologies

Passive approach Your roadmap User T0 V1 V2 V3 V4 Consumption (only) © Anyware Technologies-All Right Reserved VN-1 VN VN+1 VN+2 VN+3 The component’s roadmap Open Source component integration – June 23rd, 2009 – David Sciamma – Anyware Technologies

Passive approach User • Consume frozen version of components • Implement work around for bugs • Advantages ► Safe © Anyware Technologies-All Right Reserved ► Predictable ► Independent Open Source component integration – June 23rd, 2009 – David Sciamma – Anyware Technologies

Active approach Your roadmap Contributor T0 V1 V2 V3 V4 Contributions: Consumption Bug fixes, feature requests… Communication channels…. © Anyware Technologies-All Right Reserved VN-1 VN VN+1 VN+2 VN+3 The component’s roadmap Open Source component integration – June 23rd, 2009 – David Sciamma – Anyware Technologies

Active approach Contributor • Consume frozen version of components • Suggest bugs and new features • Integrate new version in the following iterations if it includes fixes © Anyware Technologies-All Right Reserved • Advantages ► New features / fixes can be integrated in N+1 ► Shared effort on fixes Open Source component integration – June 23rd, 2009 – David Sciamma – Anyware Technologies

Integrated approach Your roadmap Committer T0 V1 V2 V3 V4 Developments are integrated © Anyware Technologies-All Right Reserved VN-1 VN VN+1 VN+2 VN+3 The component’s roadmap Open Source component integration – June 23rd, 2009 – David Sciamma – Anyware Technologies

Integrated approach Committer • Integrate your roadmap and the component roadmap • Develop on top of development branches • Add new features to the component © Anyware Technologies-All Right Reserved • Advantages ► Influence the component roadmap ► Integrate soon ► Do not maintain work around or fork of the component Open Source component integration – June 23rd, 2009 – David Sciamma – Anyware Technologies

Why be involved ? • Be able to influence/change the component roadmap • Integrate your constraints • Expertise image • Create a more mature component © Anyware Technologies-All Right Reserved Open Source component integration – June 23rd, 2009 – David Sciamma – Anyware Technologies

How to be involved ? • Promote the software you use • Suggest new features • Test release candidates and report bugs • Submit documentation improvements © Anyware Technologies-All Right Reserved • Participate in support channels • Write code and fix bugs Open Source component integration – June 23rd, 2009 – David Sciamma – Anyware Technologies

Conclusion • Open Source components are now often used ► “85% of companies are already using open-source software, with most of the remaining 15% expecting to do so within the next year .” - Gartner Research, Nov. 2008 ► But it must be carefully integrated into your developments © Anyware Technologies-All Right Reserved • The next step is to be involved! ► Switch from the consumer mode to the actor mode Open Source component integration – June 23rd, 2009 – David Sciamma – Anyware Technologies

Open Source Components Integration

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