Hello Eddie, We have a paper that uses click and I thought it could be included in the wikki list of publications that use Click. Roman Chertov, Sonia Fahmy, and Ness B. Shroff, "A Black-box Router Profiler," In Proceedings of the IEEE Global Internet Symposium, May 2007. http://netsec.cs.uoregon.edu/gi2007/program.html Roman