Understanding Protocols and the OSI Network Model. Getting a handle on the invisible part of your network—the protocols that are in use—can be of enormous value in helping you detect problems.

If you can understand the OSI model and its layers, you can also then understand which protocols and devices can interoperate with each other when new technologies are developed and explained. The ...

(Open Systems Interconnection model) The OSI model is an International Standards Organization (ISO) template for a layered network. It describes a "protocol stack," which is a set of rules and ...

Fig. 1: The 7-layer OSI model. Courtesy technology.blurtit.com. Fig. 2. Protocols within the layers. (Courtesy Acturus Networks) Security protocols can be implemented in just about any layer – either ...

According to the OSI Model, the session layer is where connections are established, managed, and torn down. For connection-oriented network protocols, understanding how the session layer works ...

The Open Systems Interconnection model (OSI model) is a conceptual model developed by the International Organization for Standardization (ISO) as ISO/IEC 7498-1:1994. It “provides a common basis for ...

Other Protocols There are other incidental protocols that you'll run into from time to time. The three most common of these would be Remote Procedure Call (RPC), used by Pre-E2K Exchange boxes, X.400, ...