private void sendMIOPPacket (PacketHeader_1_0 header, byte[] data, int offset, int length)
{
CDROutputStream os = new CDROutputStream (orb);
PacketHeader_1_0Helper.write (os, header);
os.check (length, MulticastUtil.BOUNDARY);
os.write_octet_array (data, offset, length);
try
{
byte[] buffer = os.getBufferCopy ();