Write a tutorial review paper of between 3000 and 5000 words covering three aspects of Data Communications. The first part will be on Digital Communications, the second part on TCP/IP Networks and the third on network security protocols.

Delivery

The number one undertaking of a statistics verbal exchange device is to supply or switch statistics from sender to receiver, which might be the two additives of the five additives of statistics verbal exchange device. The device has to supply statistics to the precise destination. No different receiver must acquire the statistics. This trait consists of the safety of the device, that is, the safety of statistics.

Accuracy

The statistics verbal exchange device have to supply statistics to the receiver without being altered or damaged. The receiver must acquire the precise identical statistics which become dispatched with the aid of using the sender. The protocol may require modifying the dispatched statistics to shield and optimize the process. However, the protocol must additionally opposite and repair the statistics lower back to its unique shape earlier than representing it to the receiver. The accuracy have to be maintained.

Timeliness

The device has to hold timeliness. It have to supply statistics in a well-timed manner. Delayed transport could make the statistics vain to the receiver. Data have to be added as they`re produced, withinside the order they`re produced and with none substantial put off.

Jitter

Jitter refers back to the version of packet arrival time. Data is dispatched as packets, that is, a piece of the entire statistics is dispatched in every turn. These packets get re-joined lower back withinside the goal tool to symbolize the whole statistics because it is. Each packet is dispatched with a predefined put off or proper quantity of put off. If packets are dispatched without preserving the predefined put off then an choppy excellent withinside the statistics may result.