How do you implement service discovery in AWS?

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Jul 27, 2018 in Cloud Computing by brat_1
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For an Amazon EC2 hosted service a simple way to achieve service discovery is through the Elastic Load Balancing service. Because each load balancer gets its own hostname you now have the ability to consume a service through a stable endpoint. This can be combined with DNS and private Amazon Route53 zones, so that even the particular load balancer’s endpoint can be abstracted and modified at any point in time. Another option would be to use a service registration and discovery method to allow retrieval of the endpoint IP addresses and port number of any given service. Because service discovery becomes the glue between the components, it is important that it is highly available and reliable. If load balancers are not used, service discovery should also cater for things like health checking. Example implementations include custom solutions using a combination of tags, a highly available database and custom scripts that call the AWS APIs, or open source tools like Netflix Eureka, Airbnb Synapse, or HashiCorp Consul.
answered Jul 27, 2018 by code_ninja
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