2021 Prediction #5:  Apple (and maybe Google) saves the world

Back on January 23rd, the New York Times published an Op-Ed piece by Kate Murphy titled America Has a GPS Problem, citing fear at the highest levels of government and industry that international bad actors might bring down the Global Positioning System satellite network, running your Tesla into a guardrail in the process. It’s just the sort of story you’d expect to read here, rather than in the Times, but what the heck. And the story is absolutely correct: we are all in danger. But Ms. Murphy, beyond wringing her hands, doesn’t say how the crisis will be averted or who will do the averting. I predict that Apple will fix the problem […]

2021 Prediction #4: WiFi 6 is a bust (for now) as Bufferbloat returns thanks to ISP greed

Remember Bufferbloat? It’s a subject I was among the first to write about a decade ago, starting with a prediction column just like this one in 2011. The problem at the time was that every video or audio application — the big bandwidth consumers — was trying to solve performance issues through pre-buffering. You’d launch Netflix (just one example — they all did it) and it would pause for a few seconds filling a huge buffer intended to smooth-out any playing glitches. Except performance didn’t improve and in fact got worse because of buffers buffering buffers. These extra buffers were defeating TCP/IP’s own flow control mechanisms, often leading to total […]