Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

NOTE: Not all collection methods are supported on MySQL/MariaDB < 5.6 NOTE: It is recommended to set a max connection limit for the user to avoid overloading the server with monitoring scrapes under ...

Java is one of the most mature and persistent development languages that exist. Recently it entered into a 6-month release schedule which enabled to deliver more frequent updates to the language. One ...