We use the concept of layers in our daily life As an example, let us consider two friends who communicate through postal mail
Layer 1 - Physical Layer: The physical layer encompasses all physical components and media used during data transfer in a network This
implemented in software so that they can be extended to handle new protocols ▫ Many workstations can operate as routers or gateways Data Link Layer Protocol
protocols and what computer vendor supports them The physical layer of the OSI model defines connector and interface specifications, as well as the
internationally standardized protocols The number of layers should be large enough that distinct functions should not be put in the same layer and small
The interaction between layers in the OSI model the TCP/IP protocols: physical, logical, port, and specific ▫ Topics discussed in this section:
example, we do not need to modify the entire host software The lower 4 layers (transport, network, data link and physical — Layers 4, 3, 2,
The Lower Layers: Physical, Data Link, Network The three lower layers of known protocols for the network layer include the Internet Protocol (IP), the
20 mar 2013 · Automotive Bus Systems in the OSI Model → Ethernet Impact on Automotive Physical Layer Definition BUS Layer 7 Layer 1, 2 Layer 1