ADSL runs slowly when uploading

Joined
Feb 19, 2008
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Location
Hilton, KZN
Hi All

I'm hoping someone can offer some advice as to how to solve our speed problem whenever we need to do an upload. We have a modest 4mb line with Axxess as our ADSL provider. We buy 30gig of unshaped bandwidth directly from the ISP monthly and top it up if we run out.

The speed is just fine for our current needs. However, when we upload either by http or ftp the whole network slows to the point to be unusable.

I'm assuming that the crappy little DLink ADSL modem is the culprit in that it's not managing QoS sufficiently out the box. It's as if any upload takes all the "upload" bandwidth to the point that confirmation on download packets received cannot be sent out. So uploading anything basically trashes the downlink too.

Well, that's what I've come to believe is the cause of the problem.

Using FTP does exactly the same thing. However, limiting Filezilla's upload speed works wonders in fixing the problem for FTP (supporting the theory above). Filezilla obviously does nothing for http uploads from a browser ;)

The DLink modem is also quite old now and is flaky in the wireless department. So I'm thinking that maybe replacing the modem would solve the problem, especially since I don't remember having the same network congestion problem with an older Netgear modem that was replaced with the Dlink after an altercation with lightning.

Can anyone confirm that replacing the Dlink with a better modem would solve the problem?

If so, what is the best modem available at the moment that has good QoS out the box (without fiddling) and strong to very strong wireless at a reasonable price. I'd take dependability and reliability rather than all out wireless networking speed.
 
Telkom's fault?

No it won't.

Thanks Johnatan56 - So it's Telkom's fault? Nothing can be done to fix network congestion like this on the client's side?

If that is the case, one assumes the only thing that can be done is to find out if a 10mb line is supported in my small town? And then hope increasing the overall network speed results in a difference?

Hmmm - is there a way of routing all uploads through 3G but downloads through ADSL with one of those modems that have a USB port for 3g "failover"?
 
Thanks Johnatan56 - So it's Telkom's fault? Nothing can be done to fix network congestion like this on the client's side?

If that is the case, one assumes the only thing that can be done is to find out if a 10mb line is supported in my small town? And then hope increasing the overall network speed results in a difference?

Hmmm - is there a way of routing all uploads through 3G but downloads through ADSL with one of those modems that have a USB port for 3g "failover"?

You could, but I am assuming that is difficult to set up, since how would the computer differentiate. Download also requires upload in order to acknowledge that it has received the package and is awaiting the next one.

To upgrading to 10mbps: here will be a difference, shorter times of hell :D. In our household we mainly upgraded due to the increased upload, had so many issues with lag while gaming, wanting to upload pics to FB etc.
 
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True, I understand it's part of the technology. When it comes to uploading large files, slow I can handle. Trashing the entire network because something is uploading - surely that's not normal?

I just kinda explained it ;)
Download also requires upload in order to acknowledge that it has received the package and is awaiting the next one.
 
True, I understand it's part of the technology. When it comes to uploading large files, slow I can handle. Trashing the entire network because something is uploading - surely that's not normal?

Honestly have no idea, wasn't trying to be particularly helpful;)

Carry on...
 
To answer my own questions and despite whatever other information was posted here, I confirm that a new ADSL modem/router has most definitely improved the situation.

We purchased a TP-Link 4-Port 300Mbps Wireless N Gigabit ADSL2+ Modem Router TD-W8970 from Takealot.com.

http://www.takealot.com/tp-link-4-port-300mbps-wireless-n-gigabit-adsl2-modem-router/PLID28719979

The item arrived as expected within a few days and so far all is good.

Right now I'm uploading a herd of large jpg images to an online agency via their http uploader . . . and am still able to browse the net and post here. I would not have been able to do this in the past.

Seems to me that the main problem was what I originally thought - the older modem / router we were using was basically a dud for managing the data queue.
 
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