Istio 101 : Basic loadbalancing
To specify a loadbalancing policy for our service "service1", ROUND_ROBIN in our case, we use an istio resource called destinationRule.
The destinationRule will specify how client applications can use a specific service, in our case - service1.ns1.svc.cluster.local -.
The - ns1 - part refers to our namespace.
The following diagram represents a simple service and its endpoints:
We create our destination rule using the following:
A service in istio represents a group of endpoints/IPs on which applications/workloads are running.
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