Proper noun
OSI model
(networking) A description of the standard functions of a communications system in terms of seven layers of abstraction (the OSI layers).
Although the OSI model is often still referred to, the Internet's TCP/IP protocol suite is used in lieu of the OSI protocols. Source: Internet
Conflicts are apparent also in the original OSI model, ISO 7498, when not considering the annexes to this model, e.g., the ISO 7498/4 Management Framework, or the ISO 8648 Internal Organization of the Network layer (IONL). Source: Internet
Criticisms of this model, which have been made with respect to the OSI model, often do not consider ISO's later extensions to that model. Source: Internet
Network design An Ethernet switch operates at the data link layer (layer 2) of the OSI model to create a separate collision domain for each switch port. Source: Internet
OSI model PDUs are relevant in relation to each of the first 4 layers of the OSI model as follows: citation *The Layer 1 (Physical Layer) PDU is the bit or, more generally, symbol (can also be seen as "stream"). Source: Internet
Protocol details SNMP operates in the Application Layer of the Internet Protocol Suite ( Layer 7 of the OSI model ). Source: Internet