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so your local internet service provider promised you blazing fast internet and

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while they've delivered in the sense that you have no issues streaming all

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the 4k netflix you want you're still waiting around seemingly forever when

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you have to upload a video or a photo so

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why is it that upload and download speeds are often so different like you

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know driving in the reverse direction during rush hour so it's like this

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visualize the internet connection coming into your house as a pipe that's only so

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wide in other words there's a limit to how much data it can carry at one time

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your isp sections off the pipe to

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accommodate different services for example if you have a dsl connection

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part of the pipe will be reserved for phone service while another part is

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dedicated to internet data and if you have cable or fiber that same pipe might

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also be carrying a cable tv signal you can learn much more about that right up

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here but the gist of it is that service providers pull this off by using

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different frequencies for each type of data so that your apple music stream

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doesn't conflict with your charlie brown christmas special that you're watching

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on cable and because the pipe can only let so much data through at once your

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provider has to make decisions about how

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much of it to dedicate to each service and in the case of internet that section

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of the pipe actually gets further divided into upstream and downstream

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data but even though there's only so much space in the pipe

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it's not like the providers out there are hurting for bandwidth for example

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let's say that your internet signal comes over a plain old copper cable a

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relatively new standard called docsis 3.1 which is a revision of the base

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docsis standard that allows a broadband connection over old school cable tv

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pipes supports up to 10 gigabits per second downstream and one

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gigabit per second upstream by packing more data into each frequency so there's

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clearly plenty of headroom in that old copper wire so why are the slow upload

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speeds well when home internet first started

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becoming widespread in the mid 1990s user generated content like the photos

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and videos that we're constantly sharing on facebook or google drive or

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bumble well they weren't really a thing and

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you're probably mostly sitting there looking through geocities pages on

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internet explorer 3.0 so at most you were maybe uploading small jpegs as

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email attachments and the idea that we are downloading far more than we're

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uploading has stuck around to this very day and that's actually still true to a

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great extent you might watch plenty of 4k videos on amazon prime but how many

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of you are uploading 4k video to social

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media probably not nearly as many so while internet providers do allocate

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more bandwidth to upload these days 10 or 20 megabits per second is pretty

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common right now it's still quite a lot slower than the accompanying download

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speeds which are increasingly pushing into the triple digit range sometimes

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even on lower priced plans so when you've got multiple devices attempting

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to upload data at the same time you can quickly saturate such an upstream

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connection but that doesn't mean things will stay that way forever as customers

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increasingly demand a fat upstream pipe for high-res video calls streaming their

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video games and uploading files to cloud storage isps are taking notice and the

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new docsis 4.0 standard supports 10 gigabits per second both up and down

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also many fiber to the home connections offer symmetric connections already by

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default where just as much of the pipe is dedicated to uploads as it is to

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downloads it's also easier for the fiber providers to do this because light can

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carry so much data over a distance than copper you can find out more about that

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in this video so hopefully no matter where you're getting service you won't

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have to wait too much longer for a better upstream connection than that kid

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who's trying to climb up the down escalator at the mall

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