diff --git a/School/Analyse/OSI Model.md b/School/Analyse/OSI Model.md index 780cdf2..d912952 100644 --- a/School/Analyse/OSI Model.md +++ b/School/Analyse/OSI Model.md @@ -52,9 +52,15 @@ The session layer also synchronizes the data transfer with checkpoints. For exam This way we do not need to completely resend the file. ## 4. Transport Layer -The Transport Layer is responsible for the end-to-end communication between 2 devices. The Transport layer takes data from the Session Layer and breaks them up in chunks called segments. +The Transport Layer is responsible for the end-to-end communication between 2 devices. +The Transport layer on the sending device takes data from the Session Layer and breaks them up in chunks called segments. +On the receiving device the Transport Layer reassembles the segments of data that the Session Layer can consume. + +While sending data via a network data can get corrupted, the Transport layer also ensures the data being received is complete and correct, and requesting a retransmission if its not. + +The Transport Layer also controls the flow of outgoing data so that the receiver is not overwhelmed with data. ## 3. Network Layer ## 2. Data Link Layer