참조
https://withbundo.blogspot.com/2021/02/http-http-10-http-11.html
https://yms2047.tistory.com/entry/%EB%A9%80%ED%8B%B0%ED%94%8C%EB%A0%89%EC%8B%B1multiplexing
https://dolphinsarah.tistory.com/50
https://lalwr.blogspot.com/2019/01/http1-vs-http2.html
https://en.wikipedia.org/wiki/HTTP/3