Download Speed Throttled?

[garydonn2]

In the last couple of days, I have noticed that my download speed using SABnzdb is extremely slow. All other applications (including SpeedTest) seem to indicate that my connection is fast. 

My plan is the fastest available (NBN100) and there is no data limit. Is the traffic through this program being specifically throttled by TPG? It has never been a problem until recently.

[Gryph]

You're not alone there ... Getting the same issue.

On a 100M FTTH connection and getting less than 1/5 of the speed I used to get.

Set up multiple servers as a test to isolate if machine or not; but 4 different machines and varying OS all have the same issue.

Tried 3 different usenet servers; all the same result - All three together; same result.

Does not get over that 1/5 connection speed.

[garydonn2]

Mine seems to happen with only one program, which is a downloading application. Perhaps TPG think I am pirating copyrighted material and have taken it upon themselves to limit my use?

Does yours happen with all programs/platforms? Using the standard SpeedTest app on my PC and Android phone, the connection tests well.

[Gryph]

If you refer to this post as well, seems they're also experiencing similar issues:

https://community.tpg.com.au/t5/Broadband-Internet/Horrible-speeds/m-p/86422

But majority is via sabnzbd (although I do have some OS video learning and it seems to be buffering a little).

I've tried 2 x ubuntu servers; 1 x CentOS server, 1 x Windows 10 desktop and 1 x MacOS.

Rebooted router and NBN box.  

[garydonn2]

Thanks. I'll give it a go.

[celticdruid]

SpeedTest will default to a local mirror. Lots of stuff will use CDN's to, so also default to something loca even if the actual server/service is based OS.

Bet the usenet servers are all in the US/EU. Issue to me appears to be slow international speeds, not usenet specific. Need to confirm that http speeds from OS servers are also effected for you though.

For example if

http://speedtest.nortex.com/speedtest/random4000x4000.jpg

http://speedtest.g1telecom.net/random4000x4000.jpg

 are also slow for you. Still slow here and I know it isn't just those particular servers, because I retested on a local VPS.

[garydonn2]

Thank you. I take your point. However, when I used a VPN, the download speed returned. Not the full speed I was getting before, but close enough. Supports my suspicion about throttling.

[garydonn2]

Thanks. Neither worked. However, using a VPN seems to have got around the problem.

[JamesParker]

Throttling is best defined as when your Internet Service Provider (ISP) intentionally slows the speed of your broadband internet connection. Such throttling is usually a reactive measure used by ISPs and other types of communication networks to regulate a network's traffic and alleviate network congestion.

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[Anonymous]

Hi @JamesParker,

TPG do not throttle speed of the service, Actual throughput speeds may be slower and could vary due to many factors including type/source of content being downloaded, hardware and software configuration, the number of users simultaneously using the network and performance of interconnecting infrastructure not operated by TPG. Devices connected by Wi-Fi may experience slower speeds than those connected by Ethernet cable. For FTTB and FTTN customers, we will inform you of your maximum line sync speed once available. If you are on a higher speed NBN plan, you have the option to downgrade to a lower speed plan without any penalties.

To answer @garydonn2 post.

The speed tests find servers from many providers not specifically your ISP, so it could be TPG, iiNet, Telstra, Optus or many others. Usually it will choose the closest server to your location, in your case it would appear iiNet although no longer your ISP is the closest server for it to test from.

For more details see this link, https://help.speedtest.net/hc/en-us/articles/360038679834-How-does-Speedtest-select-a-server-.

Regards,

Throttling is best defined as when your Internet Service Provider (ISP) intentionally slows the speed of your broadband internet connection. Such throttling is usually a reactive measure used by ISPs and other types of communication networks to regulate a network's traffic and alleviate network congestion.