Pattern breakthrough for the Building Simple, More Powerful Networks In the Pattern Network Architecture, pioneer John Day takes a unique approach to solve the problem of network architecture. Along the way, he shows how socioeconomic forces slipped progress and cause the current crisis. Starting with the fundamentals, and still unanswered, questions identified during the ARPANET seven? Development, Network Architecture Pattern back to bedrock and traces our experience both good and bad. By using the new model, the day shows how many complex mechanisms in the Internet today (multihoming, mobility, and multicast) are, with this collapse in complexity, now simply a consequence of the structure. ? interprocess communication network that is (IPC) which produces ? Making network addresses topological makes routing purely a local problem ? That in fact, private addresses norm rather than exception? With the consequence that the global community address this need when not needed ? mobility dynamic multihoming and unicast It is a subset of multicast, but multicast devolves into unicast and facilitates mobility ? That today the Internet is more like DOS, but we need to be more like Unix ? For networking researchers, architects, designers, engineers Provocative, elegant, and profound, Patterns Architecture Network to change the way you envision, architect, and implement network. Introduction: Seven Questions Answered xiii Chapter 1: Basic Architecture for Network 1 Chapter 2: Protocol Elements 23 Chapter 3: Patterns of Protocol 57 Chapter 4: Stalking the Upper-Layer Architecture 97 Chapter 5: Naming and Addressing 141 Chapter 6: Layers 185 forecast Chapter 7: The Network IPC Model 235 Chapter 8: Creating Address Topological 283 Chapter 9: Multihoming, Multicast, and Mobility 317 Chapter 10: Backing Out of Blind Alley 351 Appendix A: Outline for Gedanken Experiment on Separating Mechanism and Policy 385 389 Bibliography Index 399