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.

It wasn’t always this way. Conceived in the 1970s when computer networking was taking off, two separate models were merged in 1983 and published in 1984 to create the OSI model that most people ...

When troubleshooting network issues it’s helpful to understand if the issue is occurring at Layer 2 or Layer 3 of the OSI model. If you’re able to get local communications to work but 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 ...

The Internet Protocol layer is comparable to layer 3 in the OSI model. The host-to-host layer is equivalent to OSI layer 4. These are the TCP and UDP (user datagram protocol) functions.

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 ...

A high-level network protocol that provides the structure and language for file ... Sometimes called a "client/server protocol," it functions at layer 7 in the network protocol (see OSI model).

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, ...

Windows Foundation. Understanding Protocols and the OSI Network Model. 05/01/2002; So far, we've talked about the tangibles of your network—the cabling infrastructure, as well as the switches ...