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If I start a file download before starting the video upload then the download will continue at full speed while the video uploads, but if I try to navigate to any webpage on any device on my network while uploading then I get the full array of connection errors.
I assume this is happening because in order to navigate to a webpage you need to upload your page request to the web server and since I'm uploading a video to YouTube it is using up all of my upload bandwidth.
However if I'm downloading something at full speed and then start to download something else, then the speed will balance out so that both things can download at the same time. Is there some reason this doesn't work in the upload bandwidth or is there something else causing my problems?
The reported duplicate doesn't ask the same question, while the answer could technically apply to my question it doesn't meet my expectations for an answer for the question I have posed bandwidth control during youtube upload
The other purported duplicate Should uploading a file on DSL kill the download speed? answers the title of my post but not my main question which I will rephrase: If a webserver can handle my device downlading multiple things from it at once, then why can't my device handle uploading multiple things to a webserver at once? How are the two any different?
Possible duplicate of bandwidth control during youtube upload
– DavidPostill – 2016-02-18T21:04:33.3301It should share minimal of what is needed to load a webpage during the time when you're uploading a video. You might want to review setting of your router, or connect directly to your modem to confirm it's devices inbetween your internet & devices that are causing it. – Lex – 2016-02-18T21:08:28.700
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Possible duplicate of Should uploading a file on DSL kill the download speed?
– MC10 – 2016-02-18T21:29:18.6372Missing details: Operating system, your browser, have you tried another browser, exact errors, maximum line-speed in both directions, the router, the ISP. – harrymc – 2016-02-22T06:29:16.720
Agreed with @harrymc more details are needed to find a cause to your answer. – NetworkKingPin – 2016-02-22T09:57:19.133
1The answer is really quite simple: Your router sucks. It’s not doing proper congestion control. Unfortunately, that’s the case with many consumer-grade routers. – Daniel B – 2016-02-22T16:15:17.027
@harrymc "on any device on my network", "get the full array of connection errors [that a web browser will give off]", tagged google chrome. experienced with multiple routers and multiple connections like 5/128 cable and 10/1 fiber. Really just want to understand how webservers can serve under max load but I can't – user1886419 – 2016-02-22T16:20:37.847
@DanielB could you explain a little more in an answer? This seems like the most reasonable thing posed here so far – user1886419 – 2016-02-22T16:24:13.397
If you have tried multiple routers, it's unlikely that it's the router (doesn't apply if you are talking here about routers found behind the ISP's router). If you have the same problem with multiple devices, it's not only a problem with your computer. That leaves the common denominator - your ISP. If the problem arrives mostly on specific time segments, then the ISP has over-committed the lines at your neighborhood. An insufficient router/ISP combo can cause timeout problems that can be reported to you as connection problems, but should normally mostly cause slowdowns. More info, please. – harrymc – 2016-02-22T20:00:24.637
@user1886419 Are all your devices wireless? Have you tried using a PC/laptop connected to the router by traditional ethernet cable? – misha256 – 2016-02-23T02:03:30.937
"ISP has over-committed the lines" more info; please! – user1886419 – 2016-02-23T15:54:06.740
I'll admit I have not yet read the wealth of comments and answers that have already been posted, I'm sure they're filled with some excellent information. I'd like to speak generally towards your rephrased question at the end of your post. Again, this could very well have already been addressed, but remember that you have an up speed and a down speed. These figures are not always symmetrical and often times will have a larger down speed than an up speed. – root – 2016-02-25T20:57:36.390
@root yes i understand this. what i dont understand is how that means that a webserver can max out its upload speed but I can't – user1886419 – 2016-02-25T23:26:08.540
@user1886419 What are your up/down speeds? Not the advertised speeds, the ones as a result of a speed test. – root – 2016-02-25T23:53:12.187
@root 5/128 cable and 10/1 fiber. Fiber has always been exactly as advertised and cable like 98% most of the time with some flux. Reliable internet overall – user1886419 – 2016-02-26T03:06:47.110