title: NServiceBus and Rabbit MQ or Kafka
body: <p>I am trying to learn messaging system. I have found that RabbitMq and NServiceBus are using together in few places. My questions are</p>
  
  <ol>
  <li>If I am using the RabbitMQ then why do i need NServiceBus? and vice versa</li>
  <li>What NServiceBus can do but RabbitMQ or Kafka cannot?</li>
  <li>Can I use NServiceBus and kafka together? Or Apache-Kafka does not require NServiceBus </li>
  </ol>