13 - creating a single virtual network Internet...

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Part 3: Internetworking Internet architecture, addressing, encapsulation, reliable transport and the TCP/IP protocol suite
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Internetworking: concepts, architecture and protocols Motivation, architecture, routers, TCP/IP protocols, internet reference model
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Motivation A large organisation will use several networking technologies Inter-organisational communication is significant Universal service - any two computers should be able to communicate However, different network technologies cannot just be wired together
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Internetworking Interconnect heterogeneous networks and provide universal service Hardware: routers connect different networks Internet protocols: provide universal service by
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Unformatted text preview: creating a single virtual network Internet architecture • Although a single router can connect many networks, most organisations use multiple routers Virtual network • The illusion that there is a single universal network Internetworking protocols • The TCP/IP Internet Protocols – begun in the 1970s – The Internet has emerged into the public domain in the 1990s – Controlled by the Internet Engineering Task Force (IETF) Internet Reference Model Host computers • TCP/IP used the term host computer to refer to any system that connects to an Internet and that runs applications • Both hosts and routers use TCP/IP protocol software...
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13 - creating a single virtual network Internet...

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