What is the Full Form of OSI? 

The full form of OSI is Open Systems Interconnection. It is a model that defines the communication duties of a computing system without consideration of its internal structure and technology. It was produced by the International Organization for Standardization (ISO) in 1984. Moreover, it takes on the responsibility of transferring the data pockets between network devices. Interestingly, the OSI consists of seven layers that work independently to achieve the desired results effortlessly. 

What is OSI Used for?

The purpose of the OSI reference model is to guide technology vendors and developers so the digital communications products and software programs they create can interoperate and to promote a clear framework that describes the functions of a networking or telecommunications system that’s in use.

Also Read: What is OSI Model?

What are the Layers of the OSI Model?

There are seven layers of the OSI Model:

• The Physical layer
• The Data Link Layer
• The Network Layer
• The Transport Layer
• The Session Layer
• The Presentation Layer
• The Application Layer

Advantages of OSI

The advantages of OSI include:

• It is a secure and flexible option.
• The OSI can deal with both connectionless and connection-oriented services.
• All the seven layers of an Open Systems Interconnection work independently and helps to achieve the desired results. 
• It splits the communication process into smaller bits which makes the entire designing, development, and maintenance process easier. 

Also Read: What is the Full Form of ISDN? 

Disadvantages of OSI

There are numerous disadvantages of OSI such as:

• The process can be complicated and expensive for some users. 
• The initial implementation is sometimes slow. 
• Since it overlooks the presence of devices and technologies, the practical implementation is sometimes restrained. 

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