Dapr service discovery & invocation is a feature that allows services to discover and call other services using HTTP or gRPC protocols, providing a simple and consistent way to invoke them. Communication is also secure (with mutual mTLS authentication) resilient (with configurable retry\circuit breaker\timeout policies) traced and metered (using common protocols) controlled (we can use ACL to restrict accesses\permissions to some APIs) balanced (using round-robin) The pub/sub is a messaging pattern where a message is published by...