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Mastering Spring Cloud
book

Mastering Spring Cloud

by Piotr Mińkowski
April 2018
Intermediate to advanced content levelIntermediate to advanced
432 pages
10h 38m
English
Packt Publishing
Content preview from Mastering Spring Cloud

Communication between services

In order to guarantee the system's reliability, we cannot allow a situation where each service would have only one instance running. We usually aim to have a minimum of two running instances in case one of them experiences a failure. Of course, there could be more, but we'll keep it low for performance reasons. Anyway, multiple instances of the same service make it necessary to use load balancing for incoming requests. Firstly, the load balancer is usually built into an API gateway. This load balancer should get the list of registered instances from the discovery server. If there is no reason not to, then we usually use a round-robin rule that balances incoming traffic 50/50 between all running instances. The ...

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Publisher Resources

ISBN: 9781788475433Supplemental Content