Read a lot online Netty relevant information, in finishing here so late review:
1, treatment-related proprietary protocol:
https://www.cnblogs.com/wuxun1997/p/11655537.html
https://blog.csdn.net/GG_and_DD/article/details/80416855
https://www.cnblogs.com/dafanjoy/p/9729400.html
https://www.cnblogs.com/mzsg/p/5442527.html
https://blog.csdn.net/yaobo2816/article/details/49073557 based netty TCP server server to the client message active solutions
https://www.cnblogs.com/legion/p/8675014.html Netty using (6) handler execution order issue
https://www.cnblogs.com/legion/p/8686700.html Netty use (7) transmitting a sequence of object
https://baijiahao.baidu.com/s?id=1630230539509121969&wfr=spider&for=pc
https://www.liangzl.com/get-article-detail-126343.html Netty implement a custom protocol
Continue to add.
In this blog also like to thank the authors of these articles, your article is helping me step by step to learn and understand Netty.