Okay, maybe operational support systems (OSS) are important. So what does IMS have to say about all that? Paul called in Brian, an expert from Sigma-Systems in Toronto, to shed some light on the issue (9 minutes, 3MB). Related links: Sigma-Systems All Read More...

Trying to curtail identity theft is nothing new. Nor is biometric authentication. My bank in Denver put it in years ago for unaccompanied entry in to the vault to access one's safety deposit box. But to use biometrics at an ATM? In Japan, yes. Most Read More...

Let's shift from the OSI Reference Model to a particular protocol suite: TCP/IP . There's lots of ground to be covered there, so we need a focus. We're going to narrow in on Layer 3, which is mostly about the Internet Protocol (IP), the packet Read More...