stream instability

About 6 months ago, my streams have become completely unstable. I streamed with the exact same settings, on the exact same system, for almost 4 years with very few issues. While I'm not ruling out my ISP just being crappy, it's the same ISP I've had the whole time. They can't/won't do anything...

Hi there all, this is my first time posting so apologies if this is in the wrong section. I've been trying to stream recently and have a wired connection to my router. Twitch test shows that my connection to servers (US East) is around 80 on the best, with 6000+ kb/s. But I keep running into a...