Z80 Assembly 64: Implementing a Simple Network Protocol (Link Layer)
The OSI Model and the Link Layer Networking is organized into layers. The Link Layer (Layer 2 of the OSI model) is the lowest level of communication, responsible for sending and receiving frames (raw data packets) between two connected devices (e.g., two computers on a local network). Goal: To wrap user data with a small header and footer so the receiver knows where the packet begins, where it ends, and whether it’s valid. ...