Titlebook: Communications and Networking; An Introduction John Cowley Textbook 2013Latest edition Springer-Verlag London Ltd., part of Springer Nature

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Local Area Networks,a LAN. We look at the choices between a peer-to-peer and client–server LAN and between a wired and wireless network. There are descriptions of various components and devices for both wired LANs and wireless LANs (WLANs). Brief descriptions of several wired LAN technologies come next, but the chapter

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Wide Area Networks,f the general characteristics of WANs. After a brief mention of the use of the public switched telephone network (PSTN) for computer networks, there is a description of the packet-switching technology frame relay. Integrated Services Digital Network (ISDN), an all-digital, circuit-switched service,

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Network Protocols, It concentrates heavily on IP and TCP themselves. We give attention to both IP version 4 and IP version 6. A section on Internet control message protocol (ICMP), which is used in TCP/IP networks to send error messages and informational messages of various kinds, precedes the material on TCP. High-l