

John Edwards
Contributing writer
John Edwards is a veteran business technology journalist. His work has appeared in The New York Times, The Washington Post, and numerous business and technology publications.

8 tips for building a cost-effective IoT sensor network
Here are some tips for deploying an IoT sensor network, culled from interviews with some who have gone down this road.

Optical research that could supercharge the Internet
Nikola Alic, a photonics research scientist at the University of California’s Qualcomm Institute in San Diego, argues that optical research offers the best hope for helping the Internet accommodate the ever-growing flow of multimedia...

4 research projects that could double wireless bandwidth
As compression and other existing bandwidth enhancement techniques reach their limits, academic researchers worldwide are investigating a variety of technologies and methods that promise to bring wireless broadband up to speed -- and...
Internet of Things breathes new life into RFID technology
After failing to live up to the initial hype, RFID hopes to become the chip of choice for IoT deployments.
Grow Your Own Data Center With Colocation
Colocation is becoming a popular option for quickly adding capacity to an aging data center. But it's not as simple as throwing servers at a new site; be prepared to spend at least three months searching for a vendor and planning the...
Make mine modular: The rise of prefab data centers
When John Campbell talks about Purdue University's soon-to-be implemented modular data center, he can hardly hide his enthusiasm.
Make Mine Modular
Modular data centers let IT managers add IT space in less time and at a lower cost than building or expanding a conventional facility. But beware of vendor lock-in.
Grow your data center with colocation
Brian Burch knew the moment had arrived. Two of his data center's key services -- availability and business continuity -- needed fast and dramatic improvement. Design and location limitations meant that his company's existing data...
A hardened approach to system security
Glenn Phillips, president of Pelham, Ala.-based Forté, says that the dedicated Windows workstations his company sells to hospital emergency room administrators must not only be secure, but absolutely tamperproof as well. After all,...
Forging a Virtual Steel Wall
Hardening your operating system and application software to prevent security breaches is coming back into fashion. It involves removing nonessential features that could let hackers in.
Data centers: Make mine modular
Modular data centers shed their chintzy image to win adopters looking for fast deployment and lower costs. But there are some potential gotchas, too.