Ethernet is 40 years old. In 1973, Bob Metcalfe sent an internal memo for a LAN design. Ethernet at 40: Its daddy reveals its turbulent youth is a well worth to read article that tells about the youth of Ethernet and why it became the dominant LAN standard. It also tells how much Ethernet owes →
U.S. government warns of hack threat to network gear article tells that The Department of Homeland Security urged computer users on Tuesday to to disable a feature known as Universal Plug and Play or UPnP because new security bugs were initially brought to the attention of the government by computer security company Rapid7. UPnP is →
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 →
One of the big trends of 2013 and beyond is the pervasiveness of technology in everything we do – from how we work to how we live and how we consume. Worldwide IT spending increases were pretty anemic as IT and telecom services spending were seriously curtailed last year. It seems that things are going →
A recent white paper from APC-Schneider Electric authored by Neil Rasmussen takes a hard look at grounding practices and the use of the signal reference grid in data centers. The Grounding and the Use of the Signal Reference Grid in Data Centers paper contends that signal reference grids are automatically specified and installed in data →
Mobile data increased very much last year. I expect the growth to continue. If operators do not invest enough to their network and/or find suitable charging schemes the network can become more congested than before. 4G mobile device speeds becomes the new standard. As competition move to that end, there will be fast growth there. →
My earlier blog posting Ubuntu Linux for Smartphones from 2011 reported Ubuntu Linux heads to smartphones, tablets, and smart TVs. Canonical plans to compete against Android, iOS and Windows on the smartphones. Now Canonical has something to tell on smartphone sector: Canonical unveils Ubuntu phone OS that doubles as a “full PC”. Ubuntu now fits →
The Internet, a revolutionary and cheap communications system that has transformed the lives of billions of people across the world, turned 30 on Tuesday. The celebration was so quiet that I missed that and noticed it one day late. But even one day late it is worth to mention. Thirty years ago this week, Vint →
In the fast moving world of technology, there are perhaps few things that have proved as resistant to change as the simple SMS text message. Happy (Early) Bday! SMS Txt Msgs Turn 20 article tells that on Dec. 3 is the 20th anniversary of the sending of the first SMS text message. The first text →
How to protect RS-232 serial connections article pointed me to a recent white paper from APC-Schneider Electric that explains specific power protection issues related to RS-232 cabling. The Protection of RS-232 Serial Connections document contends that the RS-232 port often represents the “Achilles heel” of computer installations which are otherwise well protected by UPS systems →