Stories by: Johna Till Johnson

A little over a year ago, my colleagues and I modeled current and projected Internet capacity and anticipated demand to see if the curves ever crossed. The short answer: Yes, sometime before 2012, access (though not core) capacity would no longer be enough to serve demand.

Many IT executives consider the WAN to be a monolithic entity: a giant network that connects all the organization's sites across a common infrastructure.

A while back, I wrote about the concept of social networking. The upshot: Although the wisdom of crowds may be overhyped, the phenomenon of social networking isn't.

Broadly speaking, there are two main reasons for companies to go green. The first is to reduce energy costs, thereby saving the company money. As one IT executive put it to me recently, "Green computing is all about saving greenbacks."

One of the interesting things that's been happening over the past few years is that just as workforces have become less centralized, IT departments have gotten more so. The vast majority of companies I work with consider themselves virtual, meaning that employees work together on teams from widely distributed geographies. Yet fewer IT teams are virtual in the same sense -- in many cases IT teams are increasingly consolidated into a few central sites.

Back in the day, wireless data was a neatly self-contained niche technology used by folks such as field force workers and logistics companies, but virtually ignored by everyone else.

Being a pundit, like being in love, means never having to say you're sorry, right? Wrong. Besides, that's got to be one of the dumbest lines in history -- from what I can tell, loving someone means acknowledging your mistakes early and often, and making reparations as best you can.

I've seen the future of the Internet, and it's recursive -- in more ways than one.

You hear a lot these days about two topics: mobility and collaboration. Unified communication and collaboration (UCC) is getting promoted by vendors ranging from Microsoft and IBM to Cisco, Avaya and Nortel.

Forget the Super Bowl. Ignore the presidential primaries. For network geeks, the really big news recently was the cable outages in the Mediterranean, which disrupted Internet connections to Europe and the Middle East. The outages have raised a host of questions about the vulnerability of the Internet and the action plans enterprises should have in place to protect themselves from the consequences. Here are some frequently asked questions -- and the answers.

Radiohead recently rocked the music industry by making its latest album downloadable for free, or more accurately, for "whatever fans wanted to pay." The band was lauded for ushering in a new business model that disintermediated record companies and created a closer, more authentic bond between artists and fans.