Question :
Explain different types of protocols in detail.
Subject
Data Communication & Computer Network
Standard
Computer Science Engineering
Views
3472
Asked By
Knowledge
William
Answer / Solution
Answer / Solution
A Protocol is one of the components of a data communications system. Without any protocol, communication cannot occur. For successful communication to occur, the sender and receiver must agree upon certain rules called the protocol.The sending device cannot just send the data and expect the receiving device to receive and further interpret it correctly.
When the sender sends a message it may consist of text, number, images, etc. which are converted into bits and grouped into blocks to be transmitted, and often certain additional information called control information is also added to help the receiver interpret the data.
A Protocol is defined as a set of rules that governs data communications.
A protocol defines what is to be communicated, how it is to be communicated, and when it is to be communicated.
Basic Elements of a Protocol
There are three key elements of a protocol:
Syntax:
- It is the arrangement of data in a particular order.
- It means the structure or format of the data.
Semantics:
- It tells what action/decision is to be taken based on the interpretation.
- The meaning of each section of bits and indicates the interpretation of each section
Timing:
- It tells the sender about the readiness of the receiver to receive the data.
- It tells the sender at what rate the data should be sent to the receiver to avoid overwhelming the receiver.
Krishav
Answer / Solution
Answer / Solution
A protocol defines what is to be communicated, how it is to be communicated, and when it is to be communicated. Without any protocol, communication cannot occur. The three basic elements of a protocol are Syntax, Semantics and Timing.
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