[tor-bugs] #3574 [Tor Cloud]: Estimate cost of running a bridge in the cloud

["Tor Bug Tracker & Wiki" <torproject-admin@xxxxxxxxxxxxxx>]

#3574: Estimate cost of running a bridge in the cloud
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 Reporter:  runa       |          Owner:  runa
     Type:  defect     |         Status:  new 
 Priority:  normal     |      Milestone:      
Component:  Tor Cloud  |        Version:      
 Keywords:             |         Parent:      
   Points:             |   Actualpoints:      
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 Karsten and I talked about estimating the cost for running a bridge in the
 Amazon cloud. By estimating the cost of running a bridge in the cloud, we
 can come up with reasonable defaults for bandwidth limits etc.

 Karsten did a quick analysis of the bandwidth consumed by bridges in June
 2011 (see the attached pdf).

 The first graph shows the total read and written GiB per month,
 focusing on the 10% of bridges with highest bandwidth consumption.
 Consider this graph the worst-case scenario from an operator's POV.  The
 graph says, for example, that 1% of bridges read and wrote more than 100
 GiB per month and that no bridge read and wrote more than 1 TiB.

 The second graph looks at per-second bandwidth in KiB.  In contrast to the
 first graph, the second graph only looks at intervals when the bridge was
 online.  This graph says, for example, that the top 1% of bridges read and
 wrote more than 25 KiB per second and that no bridge read and wrote more
 than 225 KiB per second.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/3574>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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