Understanding Data Communications and Networks
The explosion of the World Wide Web has created greater awareness of computer networks, and has made understanding network fundamentals and data communications essential. The Second Edition of Shay's best-selling book combines a solid and well-respected presentation of data communications and network fundamentals, with important information on the state-of-the-art developments that support the World Wide Web. New topics include asynchronous transfer mode (ATM), modems, and new topics in encryption and network security. Expanded coverage of LAN/WAN systems and protocols includes the Netware LAN operating system and TCP/IP and IPv4 WAN protocols, with new coverage of the IPv6 WAN protocol. Dr. Shay presents these fundamentals, and a wide array of specific applications, at exactly the right level for Junior CS and CIS majors intending to be information systems professionals.
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INTRODUCTION TO COMMUNICATIONS STANDARDS
Fully Connected Topology 12 Combined
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acknowledgment algorithm allows analog signal applications arrive bit rate bridge buffer bytes cable called cell channel character client collision commands communications compression connection contains cost data frame data link data link layer data rate decryption defines destination detection devices discussed encryption error Ethernet example Figure flow control frequency function HDLC header interface Internet Internet Protocol IPv4 IPv6 ISDN layer Mbps modem modulation multiplexer NetWare node number of bits optical fiber packet parity bit problem protocol receiver remote request response router routing table satellite Section segment sender sends frames sent sequence number server session layer slot socket specified standard station stored switching synchronization telephone Telnet terminal timer tion token bus token ring topology TPDU transfer transmission transmitted typically values virtual circuit wait window