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I am not familiar with Twitch, but I can tell you what is in the PCAP file. I found TCP streams 5 and 94 that belong to Twitch’s 99.181.96.0/19 network. In the TCP stream 5, 10.0.0.250 is uploading data to 99.181.96.44. There was packet loss from 10.0.0.250 to 99.181.96.44, but it did recover. The symptom would be the application is slow. Frame 1009404, the Twitch server, 99.181.96.44, sends a TCP window size 0 or don't send me any more data. The 10.0.0.250 device wants to send data. It sends TCP probes, but 99.181.96.44 replies back with TCP window 0. I'm here, but don't send me any data.

Twitch technical support should be able to provide an explanation.