Contents 16.25 ACeS L Band GSO Plus Triband GSM and GPS 16.26 Mobile Satellite Ventures L Band GSO Plus ATC 16.27 Global Positioning MEOS at L Band GPS, Galileo and Glonass 16.28 Terrestrial Broadcast and Satellite Coexistence in S Band 16.29 XM and Sirius in the US - S Band GEO Plus S Band ATC 16.30 Mobaho in Japan and S DMB in South Korea - S Band GSO Plus ATC 16.31 Terrestar S Band in the US - GSO with ATC 16.32 ICO S Band GSO with ATC 16.33 ICO S Band MEO at S Band with ATC 16.34 Eutelsat and SES ASTRA GSO - 'Free' S Band Payloads 16.35 Intelsat C Band Ku Band and Ka Band GSO 16.36 Implications for Terrestrial Broadcasters 16.37 Implications for Terrestrial Cellular Service Providers 16.38 The Impact of Satellite Terrestrial ATC Hybrids on Cellular Spectral and Corporate Value 16.39 L Band, S Band, C Band, K Band and V Band Hybrids 16.40 Summary Part IV NETWORK SOFTWARE Network Software - The User Experience Definition of a Real-Time Network Switching or Routing IP Switching as an Option Significance of the IPv6 Transition Router Hardware/Software Partitioning The Impact of Increasing Policy Complexity So What Do Whorls Have to Do with Telecom Networks? 17.7.1 So What's the Answer? 17.7.2 Longer Sessions 17.7.3 Shorter Packets with a Fixed Rather than Variable Length 17.7.4 Fixed Routing Packet Arrival Rates Multilayer Classification 17.9.1 Summary - Telecom Cost Complexity 17.9.2 Popular Myths - Packet is Cheaper 17.9.3 IP Protocol and Signalling Overheads 17.9.4 Connectionless is Better than Connection Orientated? 17.9.5 The Hidden Costs of IP MMS 17.9.6 So is the Internet an Efficient Transport System? 17.9.7 So Why is the Internet so Cheap and Why does it Work so Well? 17.9.8 So if IP Networks are Neither More Efficient nor Lower Cost than Circuit-Switched or ATM Networks, Why are Telecoms Operators Deploying Them? Contents Network Software - Energy Management and Control Will the Pot Call the Kettle Back? Corporate M2M Specialist M2M Consumer M2M Device Discovery and Device Coupling in Consumer M2M Appli