This section describes the Kafka agents. The agents are used to forward and collect messages using Kafka. Kafka is a cluster-based software that software that can either be executed embedded in 
Image Added or externally outside of Image Added.Kafka uses a high throughput publish-subscriber messaging model. It persists all messages and by design it decouples the publisher from the subscriber. That means that the forwarding agent will keep writing to the log even if the collection agents terminate.
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