This best-selling, conceptual introduction to TCP/IP internetworking protocols interweaves a clear discussion of fundamentals with the latest technologies. Leading author Doug Comer covers layering and shows how all protocols in the TCP/IP suite fit into the five-layer model. With a new focus on CIDR addressing, this revision addresses MPLS and IP switching technology, traffic scheduling, VOIP, Explicit Congestion Notification (ECN), and Selective ACKnowledgement (SACK). Includes coverage of Voice and Video Over IP (RTP), IP coverage, a discussion of routing architectures, examination of Internet application services such as domain name system (DNS), electronic mail (SMTP, MIME), file transfer and access (FTP, TFTP, NFS), remote login (TELNET, rlogin), and network management (SNMP, MIB, ANS.I), a description of mobile IP, and private network interconnections such as NAT and VPN. The new edition includes updates to every chapter, updated examples, a new chapter on MPLS and IP switching technology and an expanded TCP description that featuers Explicit Congestion Notification (ECN) and Selective ACKnowledgement (SACK). For network and web designers, implementers, and administrators, and for anyone interested in how the Internet works.
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Future Shock is a book written by the sociologist and futurologist Alvin Toffler in 1970. The book is actually an extension of an article of the same name that Toffler wrote for the February 1970 issue of Playboy. The book has sold over 6 million copies and has been widely translated. Future shock is also a term for a certain psychological state of individuals and entire societies, introduced by Toffler in his book of the same name. Toffler's shortest definition of future shock is a personal perception of "too much change in too short a period of time". The concept of future shock bears resemblance to the late 20th/early 21st century concept of "the technological singularity", and may have been influenced by Kuhn's concept of a technological paradigm shift.