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Running head: NETWORK TOPOLOGY Network topology Assessing network topology Name Course Tutor Date
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Introduction A computer network is a connection between two or more computers that allows them to communicate and share files. Network topology refers to the arrangement of the different nodes in a computer network. There are three key network topologies, point-to-point, point to multipoint and multipoint to point. Each network topology has its advantages and disadvantages that appeal to different organizations. For instance, a small organization may be content with a point-to-point topology; however, a more robust multipoint to point connection fits the needs of a large organization[Esp14]. This paper assesses the three different network topologies including a scenario of where one may find the topology in use. Point to point topology The most basic topology is a point-to-point topology. A point-to-point topology is a network arrangement whereby two nodes communicate with each other; this topology consists of a permanent link between two nodes. One real life example of a point-to-point topology is a telephone call. When one makes a call, the phone connects to another phone, information exchange only occurs between the two phones. In networks, there are two forms of point-to-point topology, permanent and switched. A permanent point-to-point topology is one in which the connection between the two nodes is dedicated and permanent. A switched point-to- point topology is one that deploys a switch to dynamically link up two nodes and then drop the connection when no longer in use[Pra03]. The aforementioned telephone call is an example of a switched point-to-point topology. Point-to-point network topology has several advantages, firstly, the simplicity of the network makes it easy to design, set up, operate and diagnose problems. The simplicity of the
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