///<summary>
///Marshal the data to the DataOutputStream.  Note: Length needs to be set before calling this method
///</summary>
        new public void marshal(DataOutputStream dos)
        {
            base.marshal(dos);
            try
            {
                _realWorldTime.marshal(dos);
                _simulationTime.marshal(dos);
                dos.writeByte((byte)_requiredReliabilityService);
                dos.writeUshort((ushort)_pad1);
                dos.writeByte((byte)_pad2);
                dos.writeUint((uint)_requestID);
            } // end try
            catch (Exception e)
            {
                Trace.WriteLine(e);
                Trace.Flush();
            }
        } // end of marshal method