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Key Takeaways

so what would happen in this case when user makes an API call to order service order service will create a new order in the system then instead of calling the notification service directly it will create an event that will be stored to this order Topic in Kafka an auto service can now move on it can process another order and similarly it can create next event that will be added or appended to the same topic now notification service when it's available depending on its speed and throughput it will hold this topic it will pick a new event it will consume that event and send the notifications to interested parties so when we are using CF we can scale this whole system we can decouple order service and notification service and a slowness in notification service would not slow down the order service because these are decoupled notification service can process the events at its own speed it will not block the order service all right so this is a very simple use case that shows how can we use