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Lecture Computer Networks: A systems approach - Chapter 4: Advanced internetworking

In this chapter, the following content will be discussed: How do we build a routing system that can handle hundreds of thousands of networks and billions of end nodes? How to handle address space exhaustion of IPV4? How to enhance the functionalities of Internet? | Chapter 4 Advanced Internetworking Copyright © 2010, Elsevier Inc. All rights Reserved The University of Adelaide, School of Computer Science 5/14/2020 4:22:08 AM Chapter 2 — Instructions: Language of the Computer Problems How do we build a routing system that can handle hundreds of thousands of networks and billions of end nodes? How to handle address space exhaustion of IPV4? How to enhance the functionalities of Internet? The University of Adelaide, School of Computer Science 5/14/2020 4:22:08 AM Chapter 2 — Instructions: Language of the Computer Chapter Outline Global Internet Multicast Mobile IP The University of Adelaide, School of Computer Science 5/14/2020 4:22:08 AM Chapter 2 — Instructions: Language of the Computer Chapter Goal Understanding the scalability of routing in the Internet Discussing IPv6 Understanding the concept of multicasting Discussing Mobile IP The University of Adelaide, School of Computer Science 5/14/2020 4:22:08 AM Chapter 2 — Instructions: . | Chapter 4 Advanced Internetworking Copyright © 2010, Elsevier Inc. All rights Reserved The University of Adelaide, School of Computer Science 5/14/2020 5:36:34 AM Chapter 2 — Instructions: Language of the Computer Problems How do we build a routing system that can handle hundreds of thousands of networks and billions of end nodes? How to handle address space exhaustion of IPV4? How to enhance the functionalities of Internet? The University of Adelaide, School of Computer Science 5/14/2020 5:36:34 AM Chapter 2 — Instructions: Language of the Computer Chapter Outline Global Internet Multicast Mobile IP The University of Adelaide, School of Computer Science 5/14/2020 5:36:34 AM Chapter 2 — Instructions: Language of the Computer Chapter Goal Understanding the scalability of routing in the Internet Discussing IPv6 Understanding the concept of multicasting Discussing Mobile IP The University of Adelaide, School of Computer Science 5/14/2020 5:36:34 AM Chapter 2 — Instructions: Language of the Computer The Global Internet The tree structure of the Internet in 1990 The University of Adelaide, School of Computer Science 5/14/2020 5:36:34 AM Chapter 2 — Instructions: Language of the Computer The Global Internet A simple multi-provider Internet The University of Adelaide, School of Computer Science 5/14/2020 5:36:34 AM Chapter 2 — Instructions: Language of the Computer Interdomain Routing (BGP) Internet is organized as autonomous systems (AS) each of which is under the control of a single administrative entity Autonomous System (AS) corresponds to an administrative domain examples: University, company, backbone network A corporation’s internal network might be a single AS, as may the network of a single Internet service provider Interdomain Routing A network with two autonomous system Route Propagation Idea: Provide an additional way to hierarchically aggregate routing information is a large internet. Improves scalability Divide the routing problem in