PublishQos pq = new PublishQos(glob);
MsgUnit msgUnit = new MsgUnit(pk.toXml(), "Hi".getBytes(), pq.toXml());
SubscribeKey sk = new SubscribeKey(glob, "Latency");
SubscribeQos sq = new SubscribeQos(glob);
con.subscribe(sk.toXml(), sq.toXml()).getSubscriptionId();
int numSend = glob.getProperty().get("numSend", 10);
for (int ii=0; ii<numSend; ii++) {
startTime = System.currentTimeMillis();