ISP Bandwidth

SpellowHouse

SpellowHouse

SpellowHouse

Soldato
Joined
31 Jan 2022
Posts
3,627
Location
UK
How do ISP's limit bandwidth?

The reason I ask is because I tried two different services with my ISP. In both cases the tests we carried out with the service unloaded. A 300Mbps service had 11ms latency to various test sites, and the 500Mbps has 8ms. Not only that, but the stability of the latency when loaded to 90% was considerably improved with the 500Mbps service. This struck me as very odd, and must come down to the way that the ISP is limiting bandwidth? Or is there some other reason? Or am I being stupid?
This test wasn't just done once, either, I've carried it out many times over a year.
 
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I just tried the 900Mbps service, and the unloaded latency has now dropped to 7ms.

So, after all this time of not believing my ISP, turns out that the 900Mbps service is for gamers! Not that 4ms is HUGE, but I was under the impression that it didn't make much difference to the latency. Apparently it does.
 
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