Since Arvind would not assign reading for his Dataflow: Passing the Token, I will. Please read: Arvind and R. S. Nikhil, Executing a Program on the MIT Tagged-Token Dataflow Architecture, IEEE Trans. on Computers, March 1990, pp. 300-318. Reprinted on pp. 323-341 of Mark D. Hill, Norman P. Jouppi, and Gurindar S. Sohi, Readings in Computer Architecture, Morgan Kaufmann Publishers, 2000. Temporarily available on-line here (2 MB).
--Mark D. Hill