What Is the Transport Layer?
Understand how the transport layer enables communication between applications by segmenting data and using protocols like TCP and UDP. This lesson explains its role in reliable delivery, multiplexing, and differentiating application messages on end-systems.
You Are Here! #
Let’s zoom out and have a look at the big picture.
Key Responsibilities of the Transport Layer #
- Extends network to the applications: the transport layer takes messages from the network to applications. In other words, while the network layer (directly below the transport layer) transports messages from one end-system to another, the transport layer delivers the message to and from the relevant application on an end-system.
The Post Analogy #
Imagine you post a package across the world. Presumably, ...