Fully explains and illustrates all commonly used network communication protocols, including TCP/IP, WAN, LAN technologies Covers the latest and emerging technologies such as VOIP, SAN, MAN, VPN/Security, WLAN, VLAN and more Addresses vendor specific technologies: Cisco, IBM, Novell, Sun, HP, Microsoft, Apple, etc. Reviews the ISO networking architecture and protocols Covers SS7 protocols Hundreds of illustrations of protocol formats and header structures Hundreds of hyperlinks of references for further reading and studies "Must have" for IT/Networking professionals and students