Abstract
A wide area network (WAN) provides long-haul communication services to various points within a large geographical area. A WAN often uses communication facilities provided by common carrier such as telephone companies. The most popular WAN is the global public switched telephone network (PSTN), which is not suitable for data transport because it was originally designed for voice. But it is rare that data networks (such the global X.25) do not interface with the PSTN. Today’s WANs are expected to integrate data, voice, and video traffic.
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—Lord Webb-Johnson
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Problems
Problems
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8.1
It is called TCP/IP. Mention three other protocols in the suite and what they are for.
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8.2
What is the difference between TCP and UDP if they both operate at the transport layer?
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8.3
What are the layers of the TCP/IP model and how are they related to the OSI model?
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Sadiku, M.N.O., Musa, S.M. (2013). Wide Area Networks. In: Performance Analysis of Computer Networks. Springer, Cham. https://doi.org/10.1007/978-3-319-01646-7_8
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DOI: https://doi.org/10.1007/978-3-319-01646-7_8
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