Stories by: Johna Till Johnson

Practically every company I talk with is consolidating data centers, constructing new ones, or both. These aren't the old "glass house" models of the 1980s and 1990s: They're next-generation designs with racks of blade servers, virtualized clusters and storage-area networks.

Verizon's proposed US$28 billion acquisition of privately held Alltel signals the start of hurricane season for wireless providers. And this season might just include the perfect storm: Technology shifts, consolidation and business-model changes are combining to reconfigure the world of wireless.

Elections aren't the only things in chaos in Pakistan these days. The country recently decided to censor YouTube. Unfortunately, Pakistan botched the technology: It issued BGP routes that leaked, causing a worldwide reroute of all YouTube requests to a black hole in Pakistan -- taking YouTube off the global Internet for a couple of hours.

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.

I've written several pieces pointing out that the issue of net neutrality is more nuanced than either proponents or opponents want you to believe. But with their characteristic cluelessness, providers have pretty much succeeded in reducing the debate right back down to a sound bite -- and positioning themselves on the wrong side.

There's a lot of buzz lately about the concept of social networking. You've got to admit the phrase is pretty silly. First off, it's redundant: Networks, by definition, are already social -- they connect humans. Plus, what's the opposite -- "antisocial networking"? Going online to tell everyone how much you hate them?