By Curt White
Facts communications and machine networks are important in today's company international. even if your profession includes company administration, machine programming, method layout, or a similar sector, DATABASE COMMUNICATIONS AND desktop NETWORKS, seventh variation provide you with the thorough realizing you wish of simple positive factors, operations, and barriers of other kinds of computing device networks. The 7th variation keeps a number of the parts that made previous versions so well known, together with clarity, assurance of the most up-tp-date applied sciences, and a balanced presentation of either technical and functional daily features of knowledge communications. This booklet bargains complete insurance of instant applied sciences, convergence, compression suggestions, community defense, LAN applied sciences, VoIP, and blunder detection and correction.
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Additional resources for Data Communications and Computer Networks: A Business User's Approach (7th Edition)
EXERCISES 1. Create a list of all the actions you perform in an average day that use data communications and computer networks. 2. If you could design your own home, what kinds of labor-saving computer network or data communications devices would you incorporate? 3. Two companies are considering pooling their resources to form a joint venture. The CEO of the first company meets with his legal team, and the legal team consults a number of middle managers in the proposed product area. Meanwhile, the CEO of the first company sends an e-mail to the CEO of the second company to offer a couple of suggestions concerning the joint venture.
As we will see in a later chapter, many of the telephone companies that provide local and long-distance telephone service have converged into fewer companies. These are examples of industrial convergence. Also in a later chapter, we will see how older network protocols have given way or merged with other protocols, thus demonstrating protocol convergence. Throughout the rest of this book, we will examine other examples of convergence within the communications industry. In addition to introducing the technologies involved, we also will examine the effects a given convergence of technologies might have on individual users and businesses.
User Datagram Protocol (UDP) is an alternative also used, though less frequently, in the TCP/IP protocol suite. The two layers described so far are called end-to-end layers. They are responsible for the data transmitted between the endpoints of a network connection. In other words, these layers perform their operations only at the beginning point and ending point of the network connection. The remaining three layers of the TCP/IP protocol suite—the network, network access, and physical layers—are not end-to-end layers.