This is the Advanced Message Queuing Protocol (AMQP) is an open standard application layer protocol for message-oriented middleware. The protocol has features such as messaging, queuing, routing both point-to-point and publish-and-subscribe, in addition to reliability and security.
Ballooning is the name given to the memory reclamation process invoked by the balloon driver. The balloon driver, also known as the vmmemctl driver, collaborates with the server to reclaim pages that are considered least valuable by the guest operating system. It essentially acts like a native program in the operating system that requires more and more memory. The driver uses a proprietary ballooning technique that provides predictable performance ...