...something, which... vs ...something, doing...
Hello,
I want to know whether the follow sentences are equivalent:
1. A web container implements the web component contract of the Java EE architecture, specifying a runtime environment for web components that....
2. A web container implements the web component contract of the Java EE architecture, which specifies a runtime environment for web components that...

Which one specifies a runtime environment? A Web container of the Java EE architecture?

Thanks!*following

Question

...something, which... vs ...something, doing...
Hello,
I want to know whether the follow sentences are equivalent:
1. A web container implements the web component contract of the Java EE architecture, specifying a runtime environment for web components that....
2. A web container implements the web component contract of the Java EE architecture, which specifies a runtime environment for web components that...

Which one specifies a runtime environment? A Web container of the Java EE architecture?

Thanks!*following

Answer

These are quite similar.
With number 1, using 'specifying' tells you that the web container does the specifying/
With number 2, the which passes the role of the specifying to the web contract component.

The real answer lies in which of those is the most true!