https://www.cnblogs.com/firstdream/p/8192882.html
1、代理 和装饰器
2、拥塞
https://blog.csdn.net/weixin_44161513/article/details/106651531
https://www.cnblogs.com/firstdream/p/8192882.html
1、代理 和装饰器
2、拥塞
https://blog.csdn.net/weixin_44161513/article/details/106651531