> hello there! > very interesting information you shared here, thank you. > while i dont have any further information to rely on, > i would still like to share a few simple thoughts. > You're welcome.
> lets assume for a second that there are no errors in the code and that Tor > is not using a significantly less than optimal network topology. > > i would argue against adjusting the traffic limit as you suggested, for > the > following reasons: > -pending more data, this ratio might arbitrarily change at any point in > time, > causing either under utilization of the network. which is what you have > set > out to prevent. > or over utilization which will cause troubles to the relay admins, > like throttling by providers. > I clearly see where you're coming from. While I *certainly* do not propose a large-scale adjustment in relay configurations (that isn't my incentive actually), I still seriously think about doing the adjustments - certainly with some offset to the observed figures to address potential over-utilization - for our very own relays. We're looking forward to receive some sponsored VPS(s) that we would like to dedicate/contribute to the Tor network and I'm somehow concerned, i.e. think it's unfortunate, that - expectedly - 1/3 of our monthly traffic limit(s) wouldn't be used after all. That said, please have a brief look at https://metrics.torproject.org/bandwidth.png?start=2010-09-19&dpi=72&end=2012-09-19 - i.e. a two-year bwadv vs bwhist sample of the whole Tor network. It actually shows a rather significant trend of the "1/3 bwadv vs bwhist discrepancy" I observed previously. > -its important to have more capacity then needed, this allows better > stability and is helpful with dealing with sudden increases in Tor use, a > somewhat common event, > Same here. I wouldn't want to argue against your assumptions as they - from a general/common-sense perspective - make perfect sense. Still, looking at the two-year sample graph, I cannot really see such a network behavior, i.e. sub-samples where the gap between bwadv vs bwhist would be significantly lower at times. > of course, this is not to take away anything from your observation and > initiative. > who knows, you might have found a serious problem with the network. > I don't think there's a serious problem with the network. I just would like to ask the list for the actual reasoning of the, from my perspective rather *large*, discrepancy. You named three (actually two) things: 1. under-/over-utilization: the trend seems to be pretty constant and with some offset calculated in, I would look forward to avoid over-utilization (just for our own initiative certainly) and thus potential throttling by providers for our very own contribution to the network. 2. adjustments to peak traffic: While I totally understand the argument, I just can't see that happening (at least) within the last two years looking at the sample graph. thanks a lot for your feedback! Please don't get me wrong counter-arguing. I'm just considering opportunities for our own initiative and clearly see the general validity of your argumentation. Also I wouldn't want to exclude the possibility that I'm missing something important here and would like to ask everyone concerned to tell me where my (potential) misconception actually is ;-) Cheers, Thomas > thanks > _______________________________________________ tor-relays mailing list tor-relays@lists.torproject.org https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays
