Why TCP and IP are written all together as TCP/IP?

Answer Posted / srikanth kaligotla

Actually it stands for Transmission Control Protocol over Internet Protocol

and they mean the same thing.

That's not correct.

First, Ethernet is the low-level hardware system that controls how the actual hardware parts function.

Next, think of IP as a phone system or traffic signs. It provides the basic control of connecting system two points together.

TCP on the other hand is more like a messaging system or traffic control officer which directs messages/cars to the correct point.

Taken together, TCP/IP, provides a system of reliably transferring data to and from any two connected devices.

With the Internet, when you want to send or receive data, the IP part of the system is the part that controls making the actual hardware connections with the wires (or wireless waves). The TCP part of the system is the software that is responsible for taking the data and breaking it up, sending it, reassembling the received data, and checking the data and re-sending if necessary.

There are countless explanations with analogies and technical details available.

However, is it not possible for TCP to be built on top of another protocol besides IP?

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