Data Communications - Tapa blanda

Reseña del editor

An general overview of modern communications systems, with optional technical information for readers who are so inclined. For others, explains the basic principles behind telephones, wireless communications, and computer networks; and some wider aspects such as interfaces and transmission, efficien

Reseña del editor

This book prepares readers to make intelligent decisions on the appropriate design, purchase, integration, and use of data communications equipment and systems.

The book's coverage is designed to be both accessible for the novice and challenging for the expert, offering a broad overview throughout the narrative and advanced discussions in special-interest sidebars. Discussions reflect the latest Internet technologies -- the increasing importance of the Internet with new/expanded coverage of the Digital Subscriber Line (DSL) and cable modems; ISDN lines; TCP/IP and related protocols -- including SMTP and MIME for electronic mail, HTTP for hypertext, Telnet and Rlogin for remote access, FTP for file transfer, UDP for sending individual packets, SNMP for network management, and SLIP and PPP as data link protocols -- S/MIME, SSL, and IPSec; the differences between IPv4 and IPv6; various encryption standards, algorithms, and software; the Internet Engineering Task Force (IETF); Virtual Private Networks (VPNs); and the latest information on telecommunications regulation; increased competition and mergers among carriers.