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1528 posts

Uber Geek

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Topic # 8772 28-Jul-2006 15:54 Send private message

A simple novice question maybe, but one ive never thought of till now for some strange reason...

Broadband or dial-up....

When downloading, will the uploads slow the downloads down by whatever speed its goin at?

example: max download is 500k, max upload is 250k, if someone is uploadin from ya at the max 250k, will that affect your max download speed, meaning you can only download at a new max 250k....

Or do they not affect each other?...meaning ya can download and upload at the max speed at the same time? (as possible)

So in the case of dialup, can ya download at max speed and not worry how many upload, as ya have no quota to worry about?...obviously when dealing with broadband, the quota comes into it


this should be an easy one for you guys Cool




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835 posts

Ultimate Geek

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  Reply # 42742 28-Jul-2006 16:56 Send private message

Depends on what protocols you are using but to save complicating the matter - yes. When you transfer data using TCP (you will normally be using this on the net for file transfers, web browsing etc) it requests confirmation that the last lot of packets of data it has sent were received and ok. If these cannot be sent back to the person sending the data because your upstream bandwidth is saturated by your other uploads then this will cause your download to slow as the sending party needs to wait for confirmation before it will continue sending.





1528 posts

Uber Geek

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  Reply # 42758 28-Jul-2006 17:58 Send private message

Er, yeah....

I try to make out I know lots in IT, but sadly its not true...

Cheers for the answer, but it wasnt the simple direct answer I hoped for....

Lets get more specific, if im using a p2p program, 'Shareaza', which can connect using EDonkey2000, Gnutella, BitTorrent and Gnutella2 (G2)......

Now if I have unlimited dialup (56Kb)....does this mean:

1) if people are uploading from me at say 20Kb, does this mean I will only be able to download at a max of 36Kb?
2) or does those uploading files not affect my download speed at all?...hence they can upload at 20Kb and I am still able to download at 56Kb?




HTPC: Silverstone LC16M | abit IP35 Pro | Intel Quad Q9400 2.5GHz | Corsair 520HX | Samsung SH-S203D DVD Writer | NVIDIA GeForce GT 240 512MB RAM | 2 x 750GB Western Digital Caviar GP HDD | 4GB DDR800 RAM | D-Link DWA-547 Rangebooster N 650 Desktop | Blackgold BGT3540 | Microsoft Remote Control & Remote Keyboard for Windows Media Center | Windows 7 64bit

Mobile: Nokia N97, Nokia N900, Samsung Galaxy S, HTC EVO 3D, iPhone 4S, Samsung Galaxy S III (current)

835 posts

Ultimate Geek

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  Reply # 42760 28-Jul-2006 18:11 Send private message

Sorry I thought that was laymans term Laughing

In the example below you have 56kbps download speed and its all avaliable for download.

You have 33.6kbps or 40kbps upload speed, this is the max you will get upload and its all avalible for upload...the upload speed is slower than the download, I wont go into explaining why as it will complicate things again!

When you download something using Bittorrent some of the upstream traffic is used to say to the person you are downloading off "yes, I got that". If you are already using all your upstream to send traffic to people downloading off you then you might not be able to respond to the person you are downloading off very quickly to tell them you got the last peices of the file you are downloading OK and to send more.

So yes, it will effect your download speed having somebody uploading off you if you are uploading as fast as you can go. but not in the way you are describing.



1528 posts

Uber Geek

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  Reply # 42766 28-Jul-2006 18:44 Send private message

Beauty, thanks for that Smile

So thier uploads wont affect my downloads per say, but will affect communication between myself as those im trying to download off, and if i cant communicate with them, i wont be able to download off them....

got it Cool

thank you




HTPC: Silverstone LC16M | abit IP35 Pro | Intel Quad Q9400 2.5GHz | Corsair 520HX | Samsung SH-S203D DVD Writer | NVIDIA GeForce GT 240 512MB RAM | 2 x 750GB Western Digital Caviar GP HDD | 4GB DDR800 RAM | D-Link DWA-547 Rangebooster N 650 Desktop | Blackgold BGT3540 | Microsoft Remote Control & Remote Keyboard for Windows Media Center | Windows 7 64bit

Mobile: Nokia N97, Nokia N900, Samsung Galaxy S, HTC EVO 3D, iPhone 4S, Samsung Galaxy S III (current)

835 posts

Ultimate Geek

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  Reply # 42767 28-Jul-2006 18:47 Send private message

Correct, you win a cold beer....which is what I'm now off to find.

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