/// <summary>
 /// Fragment and send PDU.
 /// </summary>
 /// <param name="sessionContext">Context of the RPCE session</param>
 /// <param name="pdu">PDU to Fragment and send.</param>
 private void FragmentAndSendPdu(
     RpceServerSessionContext sessionContext,
     RpceCoPdu pdu)
 {
     if (pdu.PTYPE == RpcePacketType.Bind ||
         pdu.PTYPE == RpcePacketType.BindAck ||
         pdu.PTYPE == RpcePacketType.AlterContext ||
         pdu.PTYPE == RpcePacketType.AlterContextResp ||
         pdu.PTYPE == RpcePacketType.Auth3)
     {
         pdu.InitializeAuthenticationToken();
         pdu.SetLength();
         foreach (RpceCoPdu fragPdu in RpceUtility.FragmentPdu(sessionContext, pdu))
         {
             rpceServer.SendPdu(sessionContext, fragPdu);
         }
     }
     else
     {
         foreach (RpceCoPdu fragPdu in RpceUtility.FragmentPdu(sessionContext, pdu))
         {
             fragPdu.InitializeAuthenticationToken();
             rpceServer.SendPdu(sessionContext, fragPdu);
         }
     }
 }