Telecom and Networking

30 years of Internet

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 →

How to protect RS-232 serial connections

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 →

Networking Cheat Sheets

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. →

802.11ad at 60GHz Will Knock Your Socks Off?

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 →

Ideas to boost your WiFi signal

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 →

Wireless Internet inside plane

I just used reasonably priced wireless Internet in plane. I flew yesterday with Norwegian Boeing 737 plane. When the plane took off there was a surprising announcement on the plane: This plane has a free wireless Internet system on board. As soon as the plane is in flying altitude and the fasten your seatbelt light →