网络编程

https://blog.csdn.net/Dream_Weave/article/details/117263212
netty网络模型，功能点
https://baijiahao.baidu.com/s?id=1707887260913580027
零拷贝
https://blog.csdn.net/weixin_39406430/article/details/123715072
DMA（Direct Memory Access）控制总线
https://blog.csdn.net/qq_41076734/article/details/124714012
https://blog.csdn.net/weixin_34123023/article/details/112507969
RTSP、RTP、RTCP、RTMP区别
https://blog.csdn.net/johnWcheung/article/details/124674125
https://blog.csdn.net/zhiyuan2021/article/details/117517915
netty RTSP使用
https://blog.csdn.net/wzj_whut/article/details/85639323
UDP和TCP区别
https://blog.csdn.net/honeyhold/article/details/88049263
UDP报文结构
https://blog.csdn.net/m0_59155415/article/details/124929905
四次挥手能否二三合并或者是三次呢
https://blog.csdn.net/qq_27376871/article/details/106600103
为什么需要四次挥手？而三次却不可以：
为什么TCP客户端最后还要发送一次确认呢？
为什么2、3次挥手不能合在一次挥手中？

http加密是堆成加密还是非对称加密

https://www.cnblogs.com/xiao-longxia/p/13667591.html

myql主从复制原理

https://blog.csdn.net/K_520_W/article/details/117135287