#31971: Snowflake is *consistently* extremely slow when using the Windows build -------------------------------------+----------------------------------- Reporter: cypherpunks | Owner: cohosh Type: defect | Status: needs_information Priority: Medium | Milestone: Component: Circumvention/Snowflake | Version: Severity: Normal | Resolution: Keywords: | Actual Points: .5 Parent ID: | Points: 3 Reviewer: | Sponsor: Sponsor28 -------------------------------------+-----------------------------------
Comment (by cypherpunks): > I looked at netstat statistics for UDP sockets on my windows machine and wasn't seeing any packet loss at the socket level (as suggested by the comment above on AFD Parameters) https://social.technet.microsoft.com/Forums/windowsserver/en- US/35f79821-7ab5-4335-89d5-cec58fa31d33/detecting-the-amount-of-udp- packet-loss (2008 year): >Netstat displays the statistics from the transport layer. Winsock layer sits on top of the transport layer. Datagrams may be dropped at various layers within the networking stack. The netstat statistics do not account for datagram drops happening at Winsock layer due to exceeding the socket receive buffer limit. >Unfortunately, there’s no tool currently that shows Winsock layer datagram drop statistics. The closest thing on Vista and later is Winsock ETW tracing which would log a trace entry for each drop. Disadvantage of the ETW tracing that only the support personal can convert it to readable format (and this is for internal use only). -- Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31971#comment:32> Tor Bug Tracker & Wiki <https://trac.torproject.org/> The Tor Project: anonymity online
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