Jon Salz Hari Balakrishnan Alex C. Snoeren TESLA: A Transparent, Extensible Session-Layer Architecture for End-to-end Network Services. 2003 USENIX Symposium on Internet Technologies and Systems http://www.usenix.org/events/usits03/tech/salz.html db/conf/usits/usits2003.html#SalzBS03