On Mon, May 24, 2004 at 09:05:42AM +0000, Wayne McDougall wrote: > Phillip Hutchings <[EMAIL PROTECTED]> writes: > > > What would be nice (in lieu of being able to prefer certain IP ranges - I > > get local traffic far cheaper) would be a way to limit monthly transfer, > > eg set it so the node can use 5GB/month, and it'll aim for a daily > > transfer of about 170MB, but will go over if it needs to. I guess this > > would also mean that the size of incoming files would need to be limited. > > > > Unfortunately I can't try to hack this myself just yet, but I have some > > free time coming up, so I might look at it then, see if I can find where > > to do the limiting. I knew Java knowledge would come in handy :P > > > > So for now my node is offline. I've lowered my rate limiting to 500 > > bytes/sec to keep things under control, but I'm waiting for my ISPs > > traffic information to come back online... > > Toad: feel free to comment on point 3: > > Phillip, since we're in the same country with similar issues, I'd like to share > my thoughts and see where we can go with this. Feel free to email me directly. > > 1. My experience is that I can get a limit of 5 Gb of *international* traffic a > month (170 Mb a day) with Node bandwidth limits of > Overall 0 > Output 750 > Input 0 > > Yup, a limit of 750 bytes per second. I need to experiment more with the > Overall setting. Freenet is the single most effective utility I have found > for consuming bandwidth. Better than BitTorrent. > > When the bandwidth level drops this low I get a lot of what I characterise as > "churn". The messageSendTimeRequest shoots up - I guess because messages can't > get out fast enough through the small output channel. So then my node rejects > incoming connections, but it's still sending outgoing requests (albeit slowly) > so I'm rejecting these replies to my requests because my messageSendTimeRequest > is so high. I suspect a lot of things get retried. I suspect my efficiency is > low. But it works, and keeps me in the bandwidth cap. > > 2. I really suspect that more serious bandwidth limiting should be done at an > operating system (router) level rather than at the Freenet level. I suspect > that's what you'll be told around here. That way you can also take account of > things happening other than your node. :-)
Perhaps. That would also lead to high message send times though. Freenet needs to know what the limit is even if you use external limiting. > > So I've been working towards a Linux traffic shaper that gives sets no limits > on traffic with domestic IP addresses and limits international traffic so the > total monthly limit hits 5 Gb (my cap). HOW do you determine what is local? Freenet could maybe support this. > > 3. What I don't know is how my Freenet node will respond when some (domestic) > IPs get a high bandwidth (8,000 k/s) and other (international) IPs get a low > bandwidth (0.75 k/s). I guess my node will always give a constant > recommendation for how much traffic it wants, and this will oscillate wildly > according to how many domestic versus international nodes are connecting. I'm > *hoping* domestic nodes will learn that it is worthwhile connecting to me, but > they may be put off by the average they get. I don't know. Someday when Toad is > bored maybe he could put his fine mind to at least thinking about the impacts > of this bandwidth disparity and how a node configuration could be set to handle > this. > > It may be that this scenario ( maix of low and high bandwidth channels into a > node) is relatively uncommon worldwide, and isn't worth coding for, but I > wonder how common it is, and whether it may become more common. Are you in Spain by any chance? The last poster on this topic was.. > > Comments welcome. -- Matthew J Toseland - [EMAIL PROTECTED] Freenet Project Official Codemonkey - http://freenetproject.org/ ICTHUS - Nothing is impossible. Our Boss says so.
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