S2AP랑 S2DS랑 햇갈려서 찾아 봤더니 S2AP는 S2DS와 S2E를 포함한 것을 말하는군요. 참조: http://www.springsource.com/products/suite/applicationplatform The SpringSource Application Platform is an end-to-end platform that is designed from the ground up for complete portability and scalability for today’s data center