Telecom and Networking

5G at Teknologia 2019

I visited Teknologia 2019 fair today in Helsinki Finland. Etteplan had an interesting 5G demonstration at the event. The 5G base station high on wall. In understood that it worked at frequency somewhere between 3400-3800 MHz. There was a Nokia 5G router that made connection through the 5G base station to Telia data center at

The 50th anniversary of ARPANET, the internet’s predecessor

https://www.fastcompany.com/90423457/50-years-ago-today-the-internet-was-born-in-room-3420 Here’s the story of the creation of ARPANET, the groundbreaking precursor to the internet—as told by the people who were there. At the same time: RIPE NIC: ‘In Five Weeks We’ll Run Out of IPv4 Internet Addresses’ https://m.slashdot.org/story/362674 The RIPE Network Coordination Centre (RIPE NCC), which manages regional distribution of internet addresses for the

Cloudflare, Google Chrome, and Firefox add HTTP/3 support | ZDNet

https://www.zdnet.com/article/cloudflare-google-chrome-and-firefox-add-http3-support/ By default, classic HTTP (a layer 7 protocol) uses TCP (a layer 4 protocol) as it’s base. To solve speed issues with TCP and encryption with it, Google created SPDY, a protocol that fixed some of TCP’s problems. HTTP-over-SPDY protocol eventually became the official HTTP/2, which is now used on around 40% of all

Stibitz demonstrates remote computing, September 11, 1940

Interesting historical facts according to https://www.edn.com/electronics-blogs/edn-moments/4395946/Stibitz-demonstrates-remote-computing–September-11–1940: George Stibitz of Bell Telephone Laboratories used his Complex Number Calculator (CNC) to demonstrate remote computing for the first time on September 11, 1940. Stibitz was among a handful of engineers across the globe designing machines that involved using relays to implement binary logic at the time. You can

Telephone history from Tekniikan Museo

Here is some telephone history from Tekniikan museo museum located at Helsinki Finland. Here is once possibly the most common phone model used in Finland (Ericsson Dialog from 1964). Ans one very old telephone   Here is the first automatic telephone center in Finland from 1922.       Those pictures were taken few months

150th anniversary of the first transatlantic subsea cable

https://www.cbc.ca/news/canada/newfoundland-labrador/hearts-content-transatlantic-subsea-cable-150-anniversary-1.3695418 150 years ago a single cable forever changed the way the world communicated, as the first successful transatlantic subsea cable, able to send and receive telegraphed information, solidified a link between the old world and the new for the first time.