Packet Switching: Tomorrow’s Communications Today

Content: 
Front Matter....Pages i-xvii
Front Matter....Pages 1-1
To Switch or Not to Switch....Pages 3-14
Packet Switching in a Telephone World....Pages 15-26
Circuit Switching/Message Switching/Packet Switching—A Quick Comparison....Pages 27-39
Getting Started with Network Basics....Pages 40-51
What Is an Erlang? An Introduction to Telecommunications Traffic Engineering....Pages 52-74
Quantitative Tradeoffs—Packet, Circuit, and Message Switching....Pages 75-102
Front Matter....Pages 103-104
Protocol Structures in Packet Switched Networks....Pages 105-122
The User-Network Interface—The X.25 Standard....Pages 123-140
Control and Monitoring in a Network—Some Considerations....Pages 141-153
Front Matter....Pages 155-155
Topological Principles—Some Tricks to Make Packet Switching Work Better....Pages 157-175
Network Design Case Example—Even a Bad Guess Is Better Than None....Pages 176-192
Routing in Packet Networks....Pages 193-207
Front Matter....Pages 209-209
Resource Sharing and Multiple Access Techniques....Pages 211-230
Improvements on the Basic ALOHA Channel—Slots and Reservations....Pages 231-247
Terrestrial Packet Radio Systems....Pages 248-259
Combination of Satellite and Terrestrial Connectivity—The General Optimization Problem....Pages 260-270
Front Matter....Pages 271-271
The Carrier Marketplace....Pages 273-281
Value-added Networks (VANs) and Packet Switching....Pages 282-294
A Tariff for Every Occasion....Pages 295-307
Some New Common Carrier Prospects....Pages 308-321
Front Matter....Pages 323-323
Hybrid Techniques: Combining Circuit and Packet Switching....Pages 325-342
Integrated Services Networks....Pages 343-350
The Outlook for Packet Switching—And What to Do About It....Pages 351-353
Back Matter....Pages 354-371