title: What is a message boundary?
body: <p>What is <strong>"message bonudaries"</strong> in the following context?</p>
  
  <blockquote>
    <p>One difference between TCP and UDP is that UDP preserves message
    boundaries.</p>
  </blockquote>
  
  <p>I understand the difference between <strong>TCP</strong> and <strong>UDP</strong>, but unsure about the definition of <strong>"message boundaries"</strong>. Since UDP includes the destination and port information in each individual packet, could it be this that gives message a <strong>"boundary"</strong>?</p>