The Data Link Layer is the second layer in the OSI model, responsible for node-to-node data transfer, error detection and correction, and framing.
Thank you for reading this post, don't forget to subscribe!• It ensures reliable and efficient communication between adjacent network nodes.
Key Functions of the Data Link Layer
- Framing: Encapsulates network layer data into manageable frames.
- Error Detection and Correction: Ensures accurate delivery of frames.
- Media Access Control (MAC): Controls how devices share access to the transmission medium.
- Flow Control: Prevents overwhelming a receiver with data.
- Addressing: Assigns physical (MAC) addresses to devices.