Youtube Download Slowing Down Causing Buffer possible CDN issue

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I Plan to Stick Around
Posts: 38

Youtube Download Slowing Down Causing Buffer possible CDN issue

So For the Past Few Days I have Noticed Youtube Is not watchable i did some testing and nothing points to my connection having a problem this all points to youtube/rogers CDN servers failing as some "Stream Host" seem to be working but almost all of them dont. This problem is on browsers as for trying this on mobile android youtube app 720p60 seems to hold a stable 13mbps while on pc 1080p60 seems to start @ 50000kbps to a min 1000kbps. My internet speed is fine line quality is good while doing the test i had twitch.tv streams running on source no drops nothing in bandwidth flow same for downloading tested on multiple browsers Firefox| Chrome


Below is a gif showing what happens Notice how the "stream host" changes and bandwidth begins to drop

https://gfycat.com/GrimyGiddyKagu

 

 

 

***Edited Labels***

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Moderator
Moderator
Posts: 895

Re: Youtube Download Slowing Down Causing Buffer possible CDN issue

Hi @roofed,

 

 

Welcome to the Community and thank you for your post.

 

We haven't been notified of any such on going issue. Thank you for bringing this to our attention.

 

Is anyone else in the Community experiencing something similar?

 

@Datalink@Gdkitty would you guys like to chime in?

 

 

 

RogersZia

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I'm Here A Lot
Posts: 5

Re: Youtube Download Slowing Down Causing Buffer possible CDN issue

I am also having same issue with youtube slowing down its keep buffering after 10-20sec 

I Plan to Stick Around
Posts: 85

Re: Youtube Download Slowing Down Causing Buffer possible CDN issue

I am having the same issue since wednesday.

I Plan to Stick Around
Posts: 38

Re: Youtube Download Slowing Down Causing Buffer possible CDN issue

Thanks for the reply glad to see i'm not the only one having this problem. It seems manny cdn's are having this problem This one being one of the worst almost all cdn's do not hold a steddy speed they use to all hit 70000kbps and hold a steady bandwidth flow now the max i have seen is around 40000kbps maybe 50000kbps this is bad because when switching to 4k the bandwidth does not increase resulting in lots of buffering Smiley Sad

 

r3---sn-vgqs7nlk - Very inconsistent speeds

r5---sn-vgqs7ney - speed will drop

r4---sn-vgqsrn7l - Very inconsistent speeds

r5---sn-vgqsrn7l - Very inconsistent speeds

 

ill try to collect more

Moderator
Moderator
Posts: 1,117

Re: Youtube Download Slowing Down Causing Buffer possible CDN issue

Good morning @roofed,

 

Are you still experiencing this buffering issue on YouTube? Please let us know.

 

RogersCorey

I Plan to Stick Around
Posts: 38

Re: Youtube Download Slowing Down Causing Buffer possible CDN issue

@RogersCoreyYes this problem is still persistent its seems to be when during the youtube video the stream host will switch to the second one which then the speed begins to drop around 1000Kbps and begin to bounce. This is done on 30min or 1hr videos

 

Perhaps could this be a firmware issue i noticed when i pluged in the modem for the first time it took a few times to optimize it self to stream videos but then it worked months later it began to do this again. keepin mind this only happens on youtube Desktop Tested on HD 1080p & 4k 2160p modem firmware version is 4.2.4.7 model: CGn3-Rog I use to have Cgn3acsmr but one day the thing just stoped working then i got this one. But i need confirmation on whats happening here as for everyother service is working fine speed dl: 134.0Mbps up:11.4Mbps consistent only youtube has this problem.

Moderator
Moderator
Posts: 1,117

Re: Youtube Download Slowing Down Causing Buffer possible CDN issue

@roofed

 

I don't often watch videos that are longer than 30 mins on YouTube so I haven't noticed this behaviour on my home connection.

 

I'm going to assume based upon that speedtest that you have the Ignite 100U plan? Are you live streaming video to YouTube here or simply watching? Have you tested YouTube on any other devices in the home to ensure the issue isn't localized to a single device?

 

I wouldn't suspect a firmware issue in this case because this thread is the first time I'm seeing this issue reported. Were it a firmware fault, I would suspect we'd have more reports from other customers. Since it only seems to impact YouTube, it's also possible this is an issue on their end. 

 

RogersCorey

I Plan to Stick Around
Posts: 38

Re: Youtube Download Slowing Down Causing Buffer possible CDN issue

@RogersCoreyYes i have 100u I have tesed on my tablet with 1080p same thing happens but if i use the youtube app 720p60 the speed is consistent around 13.4Mbps lowest 10.5Mbps but will stay stable around that while on the website it will drop to around 4000Kbps and lower now even at the start of the video the speed is not consistent like where it use to be around 60000Kbps steady it now hits around 20Mbps or 30Mbps sometimes 40Mbps or 50Mbps then when it switches to second stream host it begins to drop to around 7Mbps and 4Mbps then at one point 1Mbps which causes buffer You need to be doing this on at least 30min or 1hr videos in order to see this.

 

Yes i'm wondering that to but does rogers not use cache servers for youtube to save latency? if not then this would have to be a youtube issue maybe try with your own connection and see if you can stream a 4k 2160p video what max speed does it hit and is it stable you can do the same for 1080p60

 

here is a 1080p60 1hr video to test: https://www.youtube.com/watch?v=oSKczA4h1c4

 

here is a 4k 2160p60 3hr video run it 4k: https://www.youtube.com/watch?v=r34f31sU3w4

 the 4k video 4:28mins in speed droped to 3Mbps to 4Mbps resulting to buffering and not watchable

 

see what speed you get and are they stable as in they stayed 10Mbps and not 10-20-30-10-12-7-5-10 etc...

Moderator
Moderator
Posts: 1,117

Re: Youtube Download Slowing Down Causing Buffer possible CDN issue

@roofed

 

I'd like to run some tests on your connection to make sure there isn't an issue on our end.

 

Please PM us @CommunityHelps so that I may further assist.

 

Thanks!

RogersCorey

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