You've seen tons of material related to GlassFish + OSGi on this blog. Most of the material was originally published on Sahoo's blog. Now Sahoo has published a new white paper "OSGi Application Development using GlassFish Server" providing a single place the details about GlassFish and OSGi. Specifically it covers the following topics:
Download the 29-pages long PDF whitepaper now!
And here are some relevant entries published on this blog: