1. Introduction p.1. -- 2. Satellite orbits and networking concepts p.55. -- 3. ATM and internet protocols p.97. -- 4. Satellite internetworking with terrestrial networks p.145. -- 5. ATM over satellite networks p.187. -- 6. Internet protocol (IP) over satellite networks p.213. -- 7. Impact of satellite networks on transport layer protocols p.261. -- 8. Next generation internet (NGI) over satellite p.295.