this post was submitted on 15 Jun 2026
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Ehhh...yeah, but that alone isn't necessarily an issue. There are plenty of services that exist that rely on consumers, in aggregate, not maximizing resource usage. Residential ISPs normally oversell their service. That works because the typical user only uses a tiny fraction of their sustained maximum rate of bandwidth consumption. In theory, if a lot of users started fully saturating their lines all the time, ISPs could shift everyone to metered service, but it works well enough and enough people value not having to worry about metering more than paying the minimum per-byte cost, so the system functions.
Residential ISPs usually have a contention ratio somewhere around 30:1 to 50:1. That means that 30 to 50 customers that each have a 1Gbps connection all share 1Gbps of upstream bandwidth.
Business connections are closer to 10:1, and a leased line (dedicated circuit) is 1:1.