. Clients use delivery
 mode to tell a Jakarta Messaging provider how to balance message transport reliability with throughput.

 <p>
 Delivery mode covers only the transport of the message to its destination. Retention of a message at the destination
 until its receipt is acknowledged is not guaranteed by a <code>PERSISTENT</code> delivery mode. Clients should assume that
 message retention policies are set administratively. Message retention policy governs the reliability of message
 delivery from destina