* Posts by davefiddes

3 posts • joined 24 Jan 2018

Symantec cert holdout sites told: Those Google Chrome warnings are not a good look


Looks like for a lot of these sites with problems looming in October it's their Akamai CDN that has the Symantec certificate rather than the main site itself. They should know better I would have thought...

Electric cars to create new peak hour when they all need a charge


Re: Even our government is years ahead of this lot

Well said. There is a spectacular amount of misinformation in thse comments.

PodPoint sell load shedding intelligent chargers today. Studies were carried out years ago into the localised effect of lots of EVs charging at once (10 nissan leafs in a cul-de-sac with a shared transformer). There was a small problem with excess demand but it was less than forecast and fixed totally by mildly intelligent charging.

Widespread adoption of EVs is unlikely to cause many problems in the UK according to the National Grids analysis. It's their job to look years into the future...

Google fuels up Chromecast Wi-Fi flooding fix


WiFi channels

The WiFi channel used will depend on the Access Point not the devices (mobile and Chromecast) doing the multicasting. WiFi multicast uses management frames which happen at the slowest rate that the AP supports (so bogging down all traffic on the AP) but it all happens on the channel the AP is using.

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