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.

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, ...

Common network protocols include the ubiquitous TCP/IP, IPX, Microsoft's NetBEUI and AppleTalk. But there are many other different kinds of protocols as noted above. Now for a brief discussion of the ...

The OSI model has a seven-layered “stack” of protocols defining various parts of what has come to be known as Ethernet networking, expanding upon the original four-layer stack of TCP/IP, says Todd ...

IBM misplayed its hand with SNA and OSI never had a chance against TCP/IP. The long, slow and at times, colorful battle between TCP/IP backers and SNA stalwarts was one of the more acrimonious ...

TCP/IP is the older of the two approaches to data communications and is well established throughout the world. The OSI model, however, is a proven concept that is used in all other data ...

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 ...

When protocols are developed by organizations such as, IEEE, ANSI, or the ITU-T, for example, they are inserted into the appropriate layer of the model (see Figure 2). What makes this so nice is that ...

What does Ethernet and TCP/IP actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.