OSGi: Blueprint vs. Spring DM

Question

I am a little bit confused about Blueprint and Spring DM:

From what I think is true:

• Spring DM is a framework defined by Spring Source
• B

Answer 1

OSGi 4.2 introduces the Blueprint Service specification based on Spring Dynamic Modules project for which Spring DM (2.x) is the Reference Implementation (RI).

In short: Blueprint is a specification, Spring DM is an implementation of Blueprint API