Presentation at June 2009 www-sig meeting. Slides available for download here: http://www.itcs.umich.edu/mcommunity/presentations/
The speaker displayed the following 2 diagrams, between 57:30 and about 1:00:24 in this recording.
M-Community Year 1 Architecture diagram http://www.itcs.umich.edu/mcommunity/architecture/MCommArchYr1.pdf
M-Community Year 2 Architecture Diagram
The speaker navigaged to the M-Community website (http://www.itcs.umich.edu/mcommunity/) from about 1:03:51 to the end of the presentation.