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Re: [tor-talk] Number of tor users

Well that average is wrong. I get around 300kbps for my downloads...
On May 29, 2013 10:26 AM, "Maimun Rizal" <maimun.rizal@xxxxxxxxxxxxxx>

> Hi Karsten,
> Thank you for fast reply.
> So, now more clear for me to understand.
> I try to calculate average Bandwidth per User based on Data from
> metrics.torproject.org and I got around 30-40 Kbps/user. but it is total
> bandwidth/average daily user. if I want to calculate end-to-end bandwidth,
> the result i divide 3. with assumption we have 3 relays to establish
> connection (Entry, middle and exit). each relays have equal bandwidth (only
> assumption, in the reality, total bandwidth for 3 relays are different).
> then, average bandwidth connection is 10 - 15 Kbps.
> in VoIP case, we need 30-35 Kbps (iLBC and Speex codec) to have good
> quality calls.
> then my next question, does TOR ensure the bandwidth for users? at least
> each user can get minimum bandwidth around 30 Kbps.
> Thank you before,
> Regards,
> Maimun
> On 29/05/2013 11:53, Karsten Loesing wrote:
>> On 5/29/13 10:11 AM, Maimun Rizal wrote:
>>> I would like to know, where i can find data average number of tor
>>> users? As I know, number of users in metrics.torproject.org are total
>>> number in a day. So how can I know a average?
>> Hi Maimun,
>> this is a fine question.
>> Actually, what you find on metrics.torproject.org *is* the estimated
>> average number of Tor users per day, not the total number.
>> Here's how we calculate those numbers (simplified): we sum up daily
>> requests by Tor clients to the Tor directories to fetch the network
>> status document, assume that an average user makes 10 such requests per
>> day (some make just 1 or 2, others 15 or 20), divide the number of
>> requests by 10, and have our estimated average daily user number.
>> But we don't have data to say whether two requests were made by the same
>> client or two different clients, mostly because clients can send their
>> requests to hundreds of directories which cannot exchange data on
>> requesting clients for obvious privacy reasons.  That's why we cannot
>> calculate total users per day, just averages.
>> For more details, see these reports:
>> https://research.torproject.**org/techreports/counting-**
>> daily-bridge-users-2012-10-24.**pdf<https://research.torproject.org/techreports/counting-daily-bridge-users-2012-10-24.pdf>
>> https://research.torproject.**org/techreports/countingusers-**
>> 2010-11-30.pdf<https://research.torproject.org/techreports/countingusers-2010-11-30.pdf>
>> I wonder, why did you think metrics.torproject.org shows total users per
>> day, and how can we make it clearer that these are in fact daily averages?
>> Thanks,
>> Karsten
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