Saumitra M. Das Yunnan Wu Ranveer Chandra Y. Charlie Hu Context-based Routing: Technique, Applications, and Experience. 379-392 2008 NSDI http://www.usenix.org/events/nsdi08/tech/full_papers/das/das.pdf conf/nsdi/2008 db/conf/nsdi/nsdi2008.html#DasWCH08