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Microservices are not just code modules or libraries â they contain everything from the operating system, platform, framework, runtime and dependencies, packaged as one unit of execution. Each microservice is an independent, autonomous process with no dependency on other microservices. It doesnât even know or acknowledge the existence of other microservices. Microservices communicate with each other through language and platform-agnostic application programming interfaces (APIs). These APIs are typically exposed as Rest endpoints or can be invoked via lightweight messaging protocols such as RabbitMQ. They are loosely coupled with each other avoiding synchronous and blocking-calls whenever possible.
Fish communicate with noises including grunts, chirps and pops, University of Auckland marine scientist Shahriman Ghazali has discovered according to newspaper reports Wednesday. All fish can hear, but not all can make sound-- pops and other sounds made by vibrating their swim bladder, a muscle they can contract, Ghazali told the New Zealand Herald. Fish are believed to communicate with each other for different reasons, including attracting mates, scaring off predators or orienting themselves. The gurnard species has a wide vocal repertoire and keeps up a constant chatter, Ghazali found after studying different species of fish placed into tanks.