In theory 65K-2. In practise, "less" but lots. Our testing seems to support values that are like this:<br><br><br>1<br>4<br>16<br>64<br>256<br>1K<br>4K<br>16K<br>64K<br><br>With more recent boxes supporting the higher end in test cases if not in real life. CPU and bandwidth cack out before ports do.
<br><br>Gaming forced this.<br><br>"Do the numbers differ if the messages are carried over UDP vs TCP?"<br><br>. If you can guess how much RAM is available you can guess the size of the pinhole range.<br><br>Look at (
<a href="http://openwrt.org/" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">http://openwrt.org/</a>)<br><br><div><span class="gmail_quote">
On 02/03/06, <b class="gmail_sendername">Philip Matthews</b> <<a href="mailto:philip_matthews@magma.ca" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
philip_matthews@magma.ca</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Does anyone have any idea how many pinholes a P2P application
<br>can have open at one time through a typical low-end NAT box?<br><br>Could a P2P application maintain connections to 30 peers simultaneously?<br>What about 50 peers? Or 100 peers?<br><br>Do the numbers differ if the messages are carried over UDP vs TCP?
<br><br>(Note: My interest is in limitations in the NAT box, and NOT in any<br>limitations in<br>the Windows, Mac, Linux, ... box on which the P2P application is<br>running.)<br><br>Just wondering if anyone has any solid data in this area.
<br><br>- Philip<br>_______________________________________________<br>p2p-hackers mailing list<br><a href="mailto:p2p-hackers@zgp.org" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">p2p-hackers@zgp.org
</a><br><a href="http://zgp.org/mailman/listinfo/p2p-hackers" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">http://zgp.org/mailman/listinfo/p2p-hackers
</a><br>_______________________________________________<br>Here is a web page listing P2P Conferences:<br><a href="http://www.neurogrid.net/twiki/bin/view/Main/PeerToPeerConferences" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
http://www.neurogrid.net/twiki/bin/view/Main/PeerToPeerConferences
</a><br></blockquote></div><br><br clear="all"><br>-- <br>Michael Slavitch<br>Ottawa, Ontario Canada