title: Why is SCTP not much used/known
body: <p>I recently checked out the book <a href="http://www.kohala.com/start/unpv12e.html" rel="noreferrer">"UNIX Network Programming, Vol. 1"</a> by Richards Stevens and I found that there is a third transport layer standard besides TCP and UDP: <em>SCTP</em>. </p>
  
  <p>Summary: SCTP is a transport-level protocol that is message-driven like UDP, but reliable like TCP. Here is a <a href="http://www.ibm.com/developerworks/linux/library/l-sctp/?ca=dgr-lnxw07SCTP" rel="noreferrer">short introduction from IBM DeveloperWorks</a>.</p>
  
  <p>Honestly, I have never heard of SCTP before. I can't remember reading about it in any networking books or hearing about it in classes I had taken. Reading <a href="https://stackoverflow.com/search?q=SCTP">other stackoverflow questions</a> that mentions SCTP suggests that I'm not alone with this lack of knowledge.</p>
  
  <p><strong>Why is SCTP so unknown? Why is it not much used?</strong> </p>