基础转载

HTTP1.0、HTTP1.1 和 HTTP2.0 的区别

https://juejin.im/entry/5981c5df518825359a2b9476

https://zhuanlan.zhihu.com/p/43787334

网络协议

https://www.jianshu.com/p/6e9e4156ece3

https://juejin.im/post/5a069b6d51882509e5432656