What is a network protocol? Most textbook writers state something like this: A network protocol is a set of guidelines or standards for the operation of network devices, the methods of operation, and ...

The purpose of the network layer is to help route messages between different local networks. Central to this layer is the concept of exclusive network addresses, where every terminal connected to the ...

Getting started on designing a network is a task of formidable proportions, but all the more so if you are looking to build a secure IT network. Often, IT system administrators are not fully familiar ...

Ethernet is a layer 2 data link protocol that is widely used with the TCP/IP protocol, which resides at layers 3 and 4. To understand network communications, it is essential to learn about the ...

When working with TCP/IP, the model is simplified to four layers plus the physical layer as shown in Figure 2-4. This figure depicts the encapsulation process with protocol overhead down to Ethernet, ...

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, and ...

Do you remember when we used multi-protocol routing for IPX, AppleTalk, and TCP/IP running on the same network? In the 1980s and early 1990s many enterprises had multiple protocols running on the ...

Trying to understand every detail involved in creating an embedded product that communicates via Internet protocols can be a daunting task. These protocols were created for systems that generally have ...

Peeling back the layers of IoT devices reveals most of them are nothing more than what are already on the Internet in the form of present-day M2M devices. In just six years, according to Cisco Systems ...

Like many words in the English language, “network” and “protocol” have different meanings, depending on the context. In the context of digital communications, Merriam-Webster defines network as “a ...