S-38.149 Postgraduate Course in Teletraffic Theory, Fall 2003 Homeworks by Samuli Aalto Deadline: 13 October 1) [HP93] Exercise 6.4 (p. 256) with additional assumption that node i is SSFR 2) Give an example proving that the previous result is not valid for any QLD node 3) [HP93] Exercise 6.6 (p. 256-257)