Notes and Study Materials

Different Types of Connections

 

A network is two or more devices connected through links. A link is a communications pathway that transfers data from one device to another. For communication to occur, two devices must be connected in some way to the same link at the same time.

 

There are two possible types of connections: point-to-point and multipoint.

 

1.Point-to-Point:

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A point-to-point connection provides a dedicated link between two devices. The entire capacity of the link is reserved for transmission between those two devices. Most point-to-point connections use an actual length of wire or cable to connect the two ends, but other options, such as microwave or satellite links, are also possible which are shown in the following figure.

 

Types of Connections_point-to-point

 

2.Multipoint:

A multipoint (also called multidrop) connection is one in which more than two specific devices share a single link as shown in the following figure.

Types of Connections_multipoint

In a multipoint environment, the capacity of the channel is shared, either spatially or temporally. If several devices can use the link simultaneously, it is a spatially shared connection. If users must take turns, it is a timeshared connection.

 

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