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Voice, Video and Data

In data communication, convergence refers to integrating voice, video, and data so that multimedia information can be used for decision making. In the past, separate networks were used to transmit voice, video, and data, but as the demand for integrated services has increased, technology has developed to meet this demand. Convergence requires major network upgrades, because video requires much more bandwidth. This has changed, however, with the availability of high-speed technologies, such as Asynchronous Transfer Mode (ATM), Gigabit Ethernet, 3G and 4G networks, and more demand for applications using these technologies. More content providers, network operators, telecommunication companies, and broadcasting networks, among others, have moved toward convergence. Even smaller companies are now taking advantage of this fast-growing technology by offering multimedia product demonstrations and using the Internet for multimedia presentations and collaboration. Convergence is possible now because of a combination of technological innovation, changes in market structure, and regulatory reform. As a tool for delivering services, the Internet is an important contributor to the convergence phenomenon. Advances in digital technologies are helping to move convergence technologies forward, and when standards in data collection, processing, and transmission become more available and acceptable, their use should increase even further.