Re: [tor-bugs] #32545 [Circumvention/Snowflake]: Perform measurements to concretely understand snowflake throughput and network health

[Tor Bug Tracker & Wiki]

#32545: Perform measurements to concretely understand snowflake throughput and
network health
-+-
 Reporter:  cohosh   |  Owner:  cohosh
 Type:  task | Status:
 |  assigned
 Priority:  Medium   |  Milestone:
Component:  Circumvention/Snowflake  |Version:
 Severity:  Normal   | Resolution:
 Keywords:  network-health, metrics, anti-   |  Actual Points:
  censorship-roadmap-2020Q1  |
Parent ID:   | Points:  2
 Reviewer:   |Sponsor:
 |  Sponsor28
-+-
Changes (by gaba):

 * keywords:  network-health, metrics => network-health, metrics, anti-
 censorship-roadmap-2020Q1


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Re: [tor-bugs] #32545 [Circumvention/Snowflake]: Perform measurements to concretely understand snowflake throughput and network health

[Tor Bug Tracker & Wiki]

#32545: Perform measurements to concretely understand snowflake throughput and
network health
-+---
 Reporter:  cohosh   |  Owner:  cohosh
 Type:  task | Status:  assigned
 Priority:  Medium   |  Milestone:
Component:  Circumvention/Snowflake  |Version:
 Severity:  Normal   | Resolution:
 Keywords:  network-health, metrics  |  Actual Points:
Parent ID:   | Points:  2
 Reviewer:   |Sponsor:  Sponsor28
-+---
Changes (by cohosh):

 * points:   => 2


Comment:

 Adding points for ongoing updates

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Re: [tor-bugs] #32545 [Circumvention/Snowflake]: Perform measurements to concretely understand snowflake throughput and network health

[Tor Bug Tracker & Wiki]

#32545: Perform measurements to concretely understand snowflake throughput and
network health
-+---
 Reporter:  cohosh   |  Owner:  cohosh
 Type:  task | Status:  assigned
 Priority:  Medium   |  Milestone:
Component:  Circumvention/Snowflake  |Version:
 Severity:  Normal   | Resolution:
 Keywords:  network-health, metrics  |  Actual Points:
Parent ID:   | Points:
 Reviewer:   |Sponsor:  Sponsor28
-+---

Comment (by cohosh):

 Replying to [comment:4 cypherpunks]:
 > @cohosh: what do you think about #31661 as a solution to the throughput
 problem?

 Thanks for the idea cypherpunks. Running more than one snowflake bridge
 and having the broker tell snowflake proxies which bridge to use is
 definitely something we're considering. An idea like #31661 to base this
 decision roughly on location is interesting. It's going to take a while to
 consider this proposal (and to work out the logistics of setting up more
 than one snowflake bridge at all) and in the meantime this ticket is about
 getting some more concrete data on what the main reasons for high latency
 or low throughput are.

 If you've written some scripts to measure throughput or latency of
 snowflakes and correlate this with geoip data and are willing to share
 them, please do! We really appreciate these insights.

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Re: [tor-bugs] #32545 [Circumvention/Snowflake]: Perform measurements to concretely understand snowflake throughput and network health

[Tor Bug Tracker & Wiki]

#32545: Perform measurements to concretely understand snowflake throughput and
network health
-+---
 Reporter:  cohosh   |  Owner:  cohosh
 Type:  task | Status:  assigned
 Priority:  Medium   |  Milestone:
Component:  Circumvention/Snowflake  |Version:
 Severity:  Normal   | Resolution:
 Keywords:  network-health, metrics  |  Actual Points:
Parent ID:   | Points:
 Reviewer:   |Sponsor:  Sponsor28
-+---

Comment (by cypherpunks):

 @cohosh: what do you think about #31661 as a solution to the throughput
 problem?

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Re: [tor-bugs] #32545 [Circumvention/Snowflake]: Perform measurements to concretely understand snowflake throughput and network health

[Tor Bug Tracker & Wiki]

#32545: Perform measurements to concretely understand snowflake throughput and
network health
-+---
 Reporter:  cohosh   |  Owner:  cohosh
 Type:  task | Status:  assigned
 Priority:  Medium   |  Milestone:
Component:  Circumvention/Snowflake  |Version:
 Severity:  Normal   | Resolution:
 Keywords:  network-health, metrics  |  Actual Points:
Parent ID:   | Points:
 Reviewer:   |Sponsor:  Sponsor28
-+---

Comment (by cohosh):

 I ran the health check on linux from a VPS in North America and here are
 the results:
 {{{
 [1] "Number of failed snowflakes: 10"
 [1] "Average throughput (KB/s): 191.174541609437"
 [1] "Standard deviation: 123.497706667578"
 }}}

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Re: [tor-bugs] #32545 [Circumvention/Snowflake]: Perform measurements to concretely understand snowflake throughput and network health

[Tor Bug Tracker & Wiki]

#32545: Perform measurements to concretely understand snowflake throughput and
network health
-+---
 Reporter:  cohosh   |  Owner:  cohosh
 Type:  task | Status:  assigned
 Priority:  Medium   |  Milestone:
Component:  Circumvention/Snowflake  |Version:
 Severity:  Normal   | Resolution:
 Keywords:  network-health, metrics  |  Actual Points:
Parent ID:   | Points:
 Reviewer:   |Sponsor:  Sponsor28
-+---
Changes (by cohosh):

 * Attachment "snowflake-throughput-canada-2019-11-28.pdf" added.


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Re: [tor-bugs] #32545 [Circumvention/Snowflake]: Perform measurements to concretely understand snowflake throughput and network health

[Tor Bug Tracker & Wiki]

#32545: Perform measurements to concretely understand snowflake throughput and
network health
-+---
 Reporter:  cohosh   |  Owner:  cohosh
 Type:  task | Status:  assigned
 Priority:  Medium   |  Milestone:
Component:  Circumvention/Snowflake  |Version:
 Severity:  Normal   | Resolution:
 Keywords:  network-health, metrics  |  Actual Points:
Parent ID:   | Points:
 Reviewer:   |Sponsor:  Sponsor28
-+---

Comment (by cohosh):

 I made some alterations to the bridgetest:
 https://github.com/cohosh/bridgetest/tree/snowflake_health

 This makes a connection through 100 snowflakes and attempts to download a
 1MB file. The script `infer-throughput.py` has been modified to process
 the 100 pcap files associated with these connections and output a CSV file
 that contains the bytes downloaded over time. The script `throughput.R`
 turns this CSV into a CDF plot and some stats and outputs the number of
 snowflakes that failed (we were unable to build a Tor circuit through
 them).

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Re: [tor-bugs] #32545 [Circumvention/Snowflake]: Perform measurements to concretely understand snowflake throughput and network health

[Tor Bug Tracker & Wiki]

#32545: Perform measurements to concretely understand snowflake throughput and
network health
-+---
 Reporter:  cohosh   |  Owner:  cohosh
 Type:  task | Status:  assigned
 Priority:  Medium   |  Milestone:
Component:  Circumvention/Snowflake  |Version:
 Severity:  Normal   | Resolution:
 Keywords:  network-health, metrics  |  Actual Points:
Parent ID:   | Points:
 Reviewer:   |Sponsor:  Sponsor28
-+---
Changes (by cohosh):

 * status:  new => assigned
 * owner:  (none) => cohosh


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