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 ...

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 ...

The data transfer in a TCP/IP network is usually block-based. From a programmer’s point of view, sending data means issuing a series of “send data block” requests. On a system level, sending an ...

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 ...

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 ...

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 Web pages you visit, the e-mail you read, the music you download and the radio stations you listen to on the Internet are all delivered to you by applications using TCP/IP. TCP/IP makes it ...

I like to think of the transport layer as the layer of the OSI Model that enables more interesting traffic. While we network engineers may love a lot of the simpler uses of the IP protocol and ...

The online economy, particularly e-business, entertainment, and collaboration, continues to dramatically and rapidly increase the amount of Internet traffic to and from enterprise servers. Most of ...