How to increase torrent download speed and upload speed

| July 12, 2011 | Comments Off

increase torrent speed by Bannu

Do the following steps to increase your torrents download speed 

1. Hack the max half-open TCP connections

If you’re on XP sp2, your TCP connections are limited to a maximum of 10. This might hurt your downloading speed because it won’t let you connect to as much peers as you want. It is supposed to slow down viruses because their spreading strategy is to connect to a high amount of ip numbers, but it could cripple your torrent downloads. A nice way to fix this is to download this patch http://lvllord.de/?lang=en&url=downloads
also
EvID4226Patch223d-en.zip | TorrentFreak

Note: Some people report that their antivirus reports the patch to be a Virus, This is not the case.

Check out http://www.lvllord.de/ for more details on this.

The patch allows you to set the maximum allowed connections to any number you want. Any number between 50 and 100 is ok (more is NOT always better).

Next you need to configure your torrent client to allow 50-100 max half-open TCP connections

In uTorrent, go to: Options>Preferences>Advanced options>net.max_halfopen and change its value to 80

then hit “Set” and “OK”.

2. Maximum upload speed

Probably the most important setting there is. Your connection is (sort of) like a pipeline, if you use you maximum upload speed there’s not enough space left for the files you are downloading. So you have to cap your upload speed.

Use the following formula to determine your optimal upload speed¦

80% of your maximum upload speed

so if your maximum upload speed is 40 kB/s, the optimal upload rate is 32kB/s

But keep seeding!

3. Maximum download speed

Although setting your maximum download speed to unlimited may sound interesting, in reality it will only hurt your connection. If you still want to be able to browse properly, set your maximum download speed to:

95% of your maximum download speed

so if your maximum download speed is 400 kB/s, the optimal download speed is 380kB/s

4. Maximum connected peers per torrent

Yet another setting that you don’t want to max out. I experimented quite a lot with the max connected peers settings and came to the conclusion that both high and low number hurt the download speed of a torrent. The following setting worked best for me.

upload speed * 1.3

so if your maximum upload speed is 40 kB/s, the optimal amount of connected peers per torrent is

40 * 1.3 = 52

5. Maximum upload slots

1 + (upload speed / 6)

so if your maximum upload speed is 30 KB/s, the optimal number of upload slots is

1 + (30 / 6) = 6

6. More Tips

Check seeds and peers

A simple tip, but very important. Always look for torrents with the best seed/peer ratio. The more seeds (compared to peers) the better (in general). So 50 seeds and 50 peers is better than 500 seeds and 1000 peers. So, be selective.

Disable Windows Firewall

It sucks. Windows Firewall hates P2P and often leads a life of it’s own. So disable it and get yourself a decent (free) firewall, Kerio or Zone Alarm for example.

Turn on Encryption

Encrypting your torrents will prevent throttling ISP’s from limiting your bit torrent traffic. Go to: Options>Preferences>Network Go to Protocol encryption, you can choose between enabled and forced. Enabled will give you more connections but offers less protection against traffic shapers. I would recommend to try enabled first, if that doesn’t increase your speeds you need to switch to forced. Ticking Allow legacy incoming connections allows non encrypted clients to connect to you. This improves compatibility between clients but makes you more vulnerable to traffic shapers. I would recommend ticking this box, but if that doesn’t increase your speeds, unticking it!

Optimize your internet connection

The TCP optimizer is a freeware utility that optimizes your internet connection. I found it very useful and it helped speeding up my connection for regular internet activity and for downloading torrents. Just download it, and move the sidebar to your maximum download rate (note that it’s in kb/s). Don’t try to set it higher because that will hurt your download speeds!

Enjoy……Bannu


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How to increase torrent download speed and upload speed was posted on July 12, 2011 at 12:33 pm in Tips And tricks and tagged as , , , , , , , , , , . It was last modified on July 12, 2011 at 12:39 pm. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.

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