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Sat Dec 20, 08 12:47 AM
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general guidelines to getting faster connections...
(more advanced techniques near bottom of blog)
- Give it time! Be patient! Sometimes it can take a
while to contact a slow tracker. The beginning of a download will be
especially slow since you don't have any pieces of the file to share
with others.
- If your network uses NAT, make sure the BitTorrent ports are
forwarded to the machine that runs the client. This will allow inbound
connections from peers. Otherwise, only outbound connections will
succeed.
- If you have a software firewall, make sure the BitTorrent client has the proper access.
- Make sure the torrent is "live." To get decent speed, a
torrent must have at least a few other people connected. The more
peers, the faster the transfer will be in general.
- Sometimes, limiting your upload rate will increase your download
rate. This is especially true for asymmetric connections such as cable
and ADSL, where the outbound bandwidth is much smaller than the inbound
bandwidth. Adjusting rates takes a lot of practice, feeling out what the entire network can efficiently produce. Due to the
nature of TCP/IP -- every packet received must be acknowledged with a
small outbound packet. If the outbound link is saturated with
BitTorrent data, the latency of these TCP/IP ACKs will rise, causing
poor efficiency.
- Adjust the upload rate to around 80% of the maximum rate observed. It can be tempting to limit
the rate to very small values. On very healthy torrents, this will not
adversely affect the download rate. However, when there are fewer peers
you will generally get higher download rates by allowing the highest
upload rate possible before saturating the link - the (approx.) 80%
sweet spot. To limit the upload rate with Mac OS X, try Carrafix. You'll want to set an individual cap for each BitTorrent port (6881 and up.)
- Ensure that your network allows the outgoing connections usually at schools, workplaces,
etc.) are firewalled and all connections must go through a proxy
server. In other cases, only well-known ports are available. There are
too many different situations to list every possible scenario, but if
you are trying to download a torrent that you know to be "live" yet the
client still reports zero peers and seeds, then this is probably the
case. Search about Proxy Settings to further educate yourself.
Link:
http://blog.bitcomet.com/post/78751/
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