Telecom and Networking

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.

Linux TCP SACK and PTP vulnerabilities

Linux PCs, Servers, Gadgets Can Be Crashed by ‘Ping of Death’ Network Packets writes that it is possible to crash and slow-down network-facing Linux servers, PCs, smartphones and tablets, and gadgets, by sending them a series of maliciously crafted packets. Netflix has published a security paper with many details. There are four vulnerabilities, three of

Bluetooth 5.1 location technology demo

Last week when I visited Arrow IoT summit I saw Bluetooth location services in use.  Two booth on the even showed Bluetooth positioning in two compartments. Quuppa Oy showed their own Bluetooth-based indoor positioning technology, which is used in many applications. With its unique Angle-of-Arrival (AoA) method and positioning algorithms, the system enables real-time tracking of

Intel, Qualcomm and Google are cutting off business with Huawei

It seems that USA-China trade war has really started now: America was the land of free trade … precisely until it is not anymore. https://www.androidauthority.com/intel-qualcomm-huawei-988011/ Intel, Qualcomm, Broadcom, and Xilinx have reportedly moved to stop supplying Huawei. Google has also suspended business with Huawei in the wake of the ban. https://techcrunch.com/2019/05/20/several-chip-companies-including-qualcomm-and-intel-have-reportedly-stopped-supplying-huawei-after-blacklist/ According to Bloomberg, semiconductor