When dealing with networking, you may hear the terms network model or layer.
define a set of network layers and how they interact.
There are several different network models depending on what organization or company started them.
The most important two are:
- TCP/IP Model:This model is sometimes called the DOD model since it was designed for the department of defense and is also called the internet model because TCP/IP is the protocol used on the NET.
- OSI Network Model: The (ISO) International Standards Organization has defined a standard called the (OSI) Open Systems Interconnection reference model.