title: How to implement an ESB (Enterprise Services Bus)
body: <p>In terms of implementing an ESB, what roles are involved?</p>
  
  <p>What are their responsibility respectively?</p>
  
  <p>And what steps should be taken?</p>
  
  <p>Any materials on these topics?</p>
  
  <p>I'm freshman in this field.<br />
  I've read the "Enterprise Services Bus" by Dave Chappell, but I'm still confused in a way.</p>