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 →
PacketLife.net Cheat Sheets page has the best collection of networking cheat sheets I have seen. If you’re doing anything network related, these are definitely good to have on-hand. This is absolutely fantastic set of cheat-sheets. You can find here cheat sheets for example for many protocols, common ports, sub-netting, tcpdump options and Wireshark filters. →
Interop: Don’t sweat 802.11ac Wi-Fi – because 802.11ad will knock your socks off article tells that industry experts at Interop NY already look beyond the coming advent of 802.11ac. While the Wi-Fi world is rightly abuzz over the rapidly approaching large-scale deployment of the new 802.11ac standard, experts at an Interop NY panel said today →
I saw an interesting writeup 100GbE To Slash the Cost of Producing Live Television at Slashdot. It tells that today live-produced TV is still largely a circuit-switched system. But technologies such as 100 Gigabit Ethernet and Audio Video Bridging hold the promise of removing a lot of of cable and thousands of connectors from a →
Antenna on the Cheap (er, Chip) article shows how to build a simple “classic” WLAN antenna from Pringles potato chip can. I have built antenna based on this plan (some improvising) and I can say that it worked. Besides WLAN I have used it for wireless video at 2.4 GHz. Cantenna article tells that in →