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[tor-bugs] #25592 [Obfuscation/Snowflake]: Consider webrtc<-->webrtc vs webrtc<-->websocket for the browser proxy



#25592: Consider webrtc<-->webrtc vs webrtc<-->websocket for the browser proxy
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     Reporter:  arlolra                |      Owner:  (none)
         Type:  defect                 |     Status:  new
     Priority:  Medium                 |  Milestone:
    Component:  Obfuscation/Snowflake  |    Version:
     Severity:  Normal                 |   Keywords:
Actual Points:                         |  Parent ID:
       Points:                         |   Reviewer:
      Sponsor:                         |
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 > webrtc <-->websocket is the current situation, which works.
 > webrtc <--> webrtc would take a bit more work.

 \\

 > Quoting @Yawning,
 >
 > What are your plans for actually getting the server side to scale well?
 Since you're using cgo you will run into Really Interesting behavior wrt
 OS threads as you try to increase concurrency.
 >
 > https://lists.torproject.org/pipermail/tor-dev/2016-January/010311.html

 \\

 > Yes, that does complicate the potential of using a second WebRTC
 connection to the relay...
 >
 > The benefit of WebRTC on both sides should be performance / latency,
 whereas right now the websocket connection to the relay is most likely
 bottlenecking the first WebRTC data channel from the client.
 >
 > But maybe it's actually not, at least significantly. It's quite possible
 the typical latency of the network is already most of what the user
 experiences compared to the websocket relay, in which case the benefit of
 the 2nd WebRTC would be negligible with respect to the effort of making it
 happen.... maybe we need to measure this (I haven't found any obvious
 latency numbers on metrics.torproject.org), or we could just decide not to
 bother and close this.

 \\ Migrated from https://github.com/keroserene/snowflake/issues/8

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25592>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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