Networks function and flourish because they deliver reliable and fast communication over large distances. And while people often marvel at the speed, it's the reliability -- made possible through the ...

Most people who have written networking software are familiar with the TCP and UDP protocols. These are used to connect distributed applications and allow messages to flow between them. These ...

In our last VoIP installment, we looked at the main reasons why SIP has become a widely adopted protocol, but we left details of the protocol’s inner workings fairly vague. This article will drill ...

I promised to deliver a preview of the new OCP-IP book written by David Schwaderer and here it is. I will be presenting three parts of the book from chapters 1 through 3. Thanks to Ian Mackintosh at ...

It’s hard to imagine now, but in the mid-1980s, the Internet came close to collapsing due to the number of users congesting its networks. Computers would request packets as quickly as they could, and ...

TCP wrappers are intended to provide wrapper daemons that can be installed without any changes to existing software. Most TCP/IP applications depend on the client/server model — i.e., when a client ...

The Electronic Business XML (ebXML) standards body announced in March that it will incorporate Simple Object Access Protocol (SOAP) into its messaging specifications. According to Gartner, this move ...

In Part 1 of our SIP primer, I covered the SIP foundation layers starting from the message structure and ending with the SIP transactions. We saw how phone registrations and proxies could work using ...