If one upload slows down your internet you probably need a router that has a better packet scheduler. I recommend you look for one that uses FQ-CoDel
this post was submitted on 20 Jul 2025
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.....yeah, because THATS what this post is about!
Why not have a fun joke and some education?
I'll play. Without assuming where anyone is from, I'll add that the vast majority of US residential Internet connections, especially those in rural areas, are not only slower than they are in much of Europe (for example) but are commonly asymmetrical, too. Meaning even if someone has a gigabit connection, often it's only 1Gbps in one direction for Americans while the maximum upstream throughput may be closer to 50Mbps. Even a top-of-the-line, 5 figure Cisco or Juniper router can't do much to improve that situation for the end user when someone starts uploading large video files.
That said, fortunately or unfortunately (as our President says), incest isn't exclusive to Alabama,
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Tbf it has 2 of 4 panels complaining about slow Internet.
Love lemmy for that though :( Where would i learn about fqcodel if not here.
You’re ignoring the fact that most areas of the US are hamstrung by super shitty asymmetric up/down bandwidths (fuck you very much, Comcast). I have 1.3gbps down… and 30mbps up, per the contract.
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Does uploading slow down downloading? I thought the two processes were totally decoupled. How does this work?
Yes, it can slow down downloading.
(The explanation below is simplified quite a bit)
When you download the server that is sending you the file doesn’t just dump all the data onto the network in one go. They don’t know how fast you can receive and it’s not like the routers along the way will buffer large amounts of data. It needs to figure out how fast it can send.
So how does it do this? The sender sends a few packets of data and then waits for the receiver to acknowledge reception before it sends more data. Now the acknowledgment message isn’t that big so when downloading the amount of data sent back (uploaded) is just a tiny fraction of the amount downloaded, so that usually doesn’t matter.
The problem occurs when your local network is much faster than your internet upload and your router isn’t smart about which packets to send first. A good router will not allocate all the spots in the outgoing queue to the connection doing the large upload and instead will make sure the connection with smaller amounts of outgoing data will get a fair turn.
If your router isn’t smart like that the ‘data received, please send more’ packets may be delayed because of all the other outgoing packets and thus slow down the download.
If your router's cpu is locked 100% because of an upload it can't handle additional download, probably. This could be improved with a more powerful cpu or a more efficient process of sorting out up- and downloads. At least that's what I got from the original comment. I'm not a networking expert (far from it) so take this with a big grain of salt.
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It will be slow again when son downloads his sister's porn. Home sweet Alabaaaama!
Maybe they should invest in a family nas then so they can share is locally
Why bother with all the fancy technology? just leave the door open.
*incest in a nas
*Sweet Home
no, that'd be a copyright infringement
gasp
Not COPYRIGHT INFRINGEMENT!
there has to be faster ways to transfer files through a local network.
Well, he could do the recording so there's no need to move it anywhere, but I think we're charting weird waters here...
the weird waters are already drawing the whole situation.
I just want to optimise their IT infrastructure
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No, nonono. There is a difference between upstream and downstream. The upload would not make general use noticeably slower.
Wrong, you still need to send traffic to receive it. If upload is bottlenecked your net will feel increasingly sluggish
Well, yea, though that would suggest a very limited bandwidth
Except for "traffic shaping" and other such bullshit that may unnecessarily cause congestion, trying to optimize the shit out of that upload.
You still need to send the acks when downloading. If the upload is saturated then you will still have issues downloading stuff, as either the acks are delayed or dropped.
As long as she’s a legal adult, good for her. You get that coin, chica.
10% tax in my household
And be grateful, GabeN and the others take 30% !
Uploading her porn? Gross! To where though? There's so many places she could upload to, which one? So disgusting!
A fellow adherent of the scientific method, I see
Uploading wouldn't cause a noticeable slowdown for most internet uses, unless OP was also trying to upload something as well. Most ISPs offer a fraction of the upload speed as download and your average person still doesn't even notice a slowdown.
I was the sysadmin for a ISP for over ten years. When you max your upload it slows everything down.
Definitely not standard for the US, but I max my fiber upload all the time and it has zero impact on my download speeds.
I feel very lucky to have a good fiber provider servicing my house.
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It’s a throughput issue not a bandwidth one. Can’t make requests to download if your uplink is fully saturated.
If you're trying to play a real time online game, you will notice if your upload capacity is hogged elsewhere.
Same with anything using TCP because you need to send packets back.
With cheap routers, bufferbloat is actually more likely to cause a noticeable slowdown with uploading rather than downloading, since your upload is usually much lower it's much easier to max it out unless you have a powerful router and/or some good QoS rules defined.
Back with old DSL and especially dialup it was a much bigger issue.
A few moments later the internet is slow again, the son and father are downloding her porn
Good for her!
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