Why not OSI instead of TCP/IP

[khush bakhat]

hi
please quickly tel me why TCP/ip is use not osi??????

[Vigil.M]

Basically TCP/IP consist of 5 layers they are mentioned as below:

• Physical Layer
• Data Link Layer
• Network Layer
• Transport Layer
• Application Layer

While than that of OSI consist of

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

Now from the above information in TCP/IP layer two of the layers are eliminated and is been standardized well. Also TCP/IP is practically implemented and OSI is theoretical. So this is the reason we use TCP/IP.