Service Lookup
Also referred to as service discovery, is simply the process of finding services and their related endpoint information. Clients and load balancers need to be able to look up the location of services to send requests. When one service needs to call another service, it will look up endpoint information, and quite possibly health status, when calling the service. Centralized load balancers will often monitor and read this information to maintain a list of back ends for routing and load balancing traffic across multiple instances of a service.
Service Lookup Implementation Options:
• DNS-based lookups can be an easy option that requires few changes.
• A client framework in the service can be used to look up endpoints and to load balance. ...
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