Fundamental characteristics of effectiveness data communication:

Fundamental characteristics of effectiveness data communication:

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Fundamental characteristics of effectiveness data communication.

What is data communication ?

The effectiveness of data communications system depends on four fundamental characteristic -

Delivery : The system must deliver data to the correct destination . Data must be received by intended device or user and only by that device or user.

Accuracy : The system must be deliver the data without error and accurately . The data that has changed in the transmission and are uncorrected are unusable.

Timeliness : The system must delver data in a timely manner. Data delivered late are useless . In the case of video and audio, timely delivery means delivering data as they are produced .In the same order that they are produced and without significant delay. This kind of delivery is called real time transmission.

Jitter : Jitter refers to the variation in the packet arrival time. Data is sent as packets.That is, a fixed amount of the whole data is sent in each to turn . These packets get joined back in the target device to represent the complete data in the target device to represent the complete data as it is . Each packet is sent with a predefined delay or acceptable amount delay . If packets are sent without maintaining the predefined delay then an uneven quality in the data might result.