OMNET

# install: https://www.cnblogs.com/zkwarrior/p/5068784.html

# tictoc: http://www.vonwei.com/post/omnettictoclearn.html

# tutorrials: https://docs.omnetpp.org/tutorials/tictoc/

# java https://www.oracle.com/technetwork/java/javase/downloads/jdk11-downloads-5066655.html