![]() ![]() The consumed bandwidth can be affected by technologies such as bandwidth shaping, bandwidth management, bandwidth throttling, bandwidth cap, bandwidth allocation (for example bandwidth allocation protocol and dynamic bandwidth allocation), etc. The consumed bandwidth in bit/s, corresponds to achieved throughput or goodput, i.e., the average rate of successful data transfer through a communication path. The maximum rate that can be sustained on a link is limited by the Shannon–Hartley channel capacity for these communication systems, which is dependent on the bandwidth in hertz and the noise on the channel. For example, bandwidth tests measure the maximum throughput of a computer network. ![]() The term bandwidth sometimes defines the net bit rate peak bit rate, information rate, or physical layer useful bit rate, channel capacity, or the maximum throughput of a logical or physical communication path in a digital communication system. The actual bit rate that can be achieved depends not only on the signal bandwidth but also on the noise on the channel. This definition of bandwidth is in contrast to the field of signal processing, wireless communications, modem data transmission, digital communications, and electronics, in which bandwidth is used to refer to analog signal bandwidth measured in hertz, meaning the frequency range between lowest and highest attainable frequency while meeting a well-defined impairment level in signal power. Bandwidth may be characterized as network bandwidth, data bandwidth, or digital bandwidth. ![]() In computing, bandwidth is the maximum rate of data transfer across a given path. For other uses, see Bandwidth (disambiguation). For the concept in signal theory and processing measured in hertz, see Bandwidth (signal processing). This article is about use in computing and networking expressed in bits per second. ![]()
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