In article <CAHxHggf7L0qH5o-B6-kkKJxVxH6VfYh6bVcRrgJ3cJJSeT6aeA at mail.gmail.com> you write: >The basic methods of queueing theory apply to both message and packet >switching. Seems to me the key insight is that you can number the packets and the recipient can reorder them so the network doesn't have to worry about keeping them in order. R's, John