Jim Gilsinn and Bryan Singer of Kenexis Consulting Corporation had a quick 12-slide/15-minute session on analyzing ICS protocols. Good information on the what and why of pub/sub in these protocols, as well as some protocol plots showing some of the challenges of analyzing these protocols.
[slideshare id=33042659&doc=18-gilsinn1-9-140402113528-phpapp02&w=450]