The document discusses how CA Plex makes service-oriented architecture (SOA) easy. It describes how Soreco, a Swiss software company, has used CA Plex for over 20 years and has migrated to use CA Plex to build modular services and recombine them through an orchestration layer into new solutions. It provides an example of how Soreco implemented an accounts payable workflow as an independent process that connects various systems like ERP and financial software through CA Plex.