网络时间同步协议NTP和PTP

可以参考以下几篇文章

https://blog.csdn.net/zxxssdsd/article/details/21617067

https://blog.csdn.net/lengye7/article/details/88386479

https://segmentfault.com/a/1190000005337116?utm_source=tag-newest

https://blog.csdn.net/woods200000/article/details/80472327

https://blog.csdn.net/TechFelix/article/details/45582607