My content distribution network is run on limewire. I took a sample of my upload traffic and found the following results.

Out of 35,000 uploads only 50% end in success the rest fail. 50% or 17,500 are interrupted about 300 or 2.6% simply stall. I don't know what you success / failure rate is? However, it would be helpful to know how your node is performing.

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Lee Evans, President
LeeWare Development
http://www.leeware.com