The classic transport lack the dedicated channel for bigger messages and internal system messages , and depends on netty v3 which have CVEs. But there are projects depend on it and use the old transport. do you think instead of the remove it, but update it to netty 4 will help?
I implemented a netty 4 based transport once when I was work for a game company, will not be much hard to migrate to netty 4. 何品