Apache CloudStack is open source software designed to deploy and manage large networks of virtual machines, as a highly available, highly scalable Infrastructure as a Service (IaaS) cloud computing ...

Apache Lucene is a high-performance, full-featured text search engine library written in Java. We'll assume that you know how to get and set up the JDK - if you don't ...

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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, ...