SOA promises interoperability in the heterogeneous business world by promoting loosely-coupled architecture, reusing software, and ending vendor-dependency. However, to be viable, dominant vendors must redesign and expose the hundreds of application functions as services. How are they meeting this challenge?
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1) the SAP Developer Network , which has over 110,000 participants (the company has reportedly been adding about 10,000 new members each month, with many coming from India and China), and 2) the Powered by SAP NetWeaver and Certified by SAP NetWeaver programs, designed for ISVs that want to build and certify applications on SAP NetWeaver. That initiative started in 2004 and has scaled to about 1,500 members. The attraction may stem from the SAP's vast customer base, which now comprises of nearly 26,000