Data Center and Cloud

Data Center Energy Retrofits

Data centers (DCs) are a major consumer of energy consumed by computers. A large part of that energy is used for cooling down the exhaust heat of the servers contained in the DCs. Ph.D. dissertation titled Data Center Energy Retrofits describes both the aggregate numbers of DCs and key agship installations in detail. It will

Software-Defined Data Centers

Software defined seems to be the hype buzzword nowadays for many technology areas: We have Software-defined radio, Software-defined networking, Software defined storage and software-defined data center. Some days ago AllThingsD ran a piece endorsing the idea of the software-defined data center titled What Is the Software Defined Data Center and Why Is It Important? Slashdot

How to Deploy A Server

How to Deploy A Server article discusses the current state of the art when it comes to deploying servers. Through the years, the ways that sysadmins have installed and configured servers has changed as they have looked for ways to make their jobs easier. The Beginning: by Hand First Generation: Images Second Generation: the Post-Install

How Complex Systems Fail

Any real-world security system is inherently complex. Making them safe and secure is hard. Controlgeek Blog has an interesting pointer and summary on on a very interesting white paper How Complex Systems Fail. I also found his paper, which is only a few pages long, a fascinating read (like John Huntington and Schneier on Security).

Enterprise Network Firewall trends

2013 Gartner Magic Quadrant for Enterprise Network Firewalls give a view to current firewall markets: Gartner states, “Advances in threats have driven mainstream firewall demand for next- generation firewall capabilities. Buyers should focus on the quality, not quantity, of the features and the R&D behind them. This market includes mature vendors and new entrants.” Palo

Google Drive hosted test websites

Google now allows web developers to share hosted websites via Google Drive. Google Drive now lets developers share hosted websites by storing HTML, JavaScript, and CSS files article gives you nice instructions how to do that. The basic idea is to upload site files to Google Drive folder and share it a as “Public on

Data center backbone design

Cells vs. packets: What’s best in the cloud computing data center? article from few years back tells that resource constrained data centers cannot waste anything on their way to efficiency. One important piece on this is right communications technology between different parts of data center. In the late 1990s and early 2000s, proprietary switch fabrics

Petabytes on budget 2.0

I posted few years ago How to build cheap cloud storage. That article talks about how Backblaze decided to build their own custom Backblaze (67 terabyte) Storage Pods. Their Petabytes on a budget: How to build cheap cloud storage gives quite good view on the special design they used. At the time I was really

Who's who of cloud market

Seemingly every tech vendor seems to have a cloud strategy, with new products and services dubbed “cloud” coming out every week. But who are the real market leaders in this business? Gartner’s IaaS Magic Quadrant: a who’s who of cloud market article shows Gartner’s Magic Quadrant for IaaS. Research firm Gartner’s answer lies in its