anchor.diff:  
   image::camel_sync_request_reply.png[image]
   
  -\1. The client sends a sync Request Reply
  + 1. The client sends a sync Request Reply
   message over xref:components::http-component.adoc[HTTP] to Camel. The client application will
   wait for the response that Camel routes and processes. +
    2. The message invokes an external xref:components::mina-component.adoc[TCP] service using
  
positive.code: 
  image::camel_sync_request_only.png[image]
  
  \1. The client sends a Request only and we can
  still use xref:components::http-component.adoc[HTTP] despite http being
  Request Reply by nature. +
   2. Camel invokes an external xref:components::mina-component.adoc[TCP] service using
  
negative.code: 
  image::camel_async_request_only.png[image]
  
   1. The client sends a Request only and we can
  still use xref:components::http-component.adoc[HTTP] despite http being
  Request Reply by nature. The control is
  immediately returned to the client application, that can continue and do
  