channels[i]=Util.createChannel(shared_loopback,
new DISCARD(),
new SHARED_LOOPBACK_PING(),
new MERGE3().setValue("min_interval", 1000).setValue("max_interval", 3000),
new NAKACK2().setValue("use_mcast_xmit", false)
.setValue("discard_delivered_msgs", true)
.setValue("log_discard_msgs", false).setValue("log_not_found_msgs", false)
.setValue("xmit_table_num_rows", 5)
.setValue("xmit_table_msgs_per_row", 10),
new UNICAST3().setValue("xmit_table_num_rows", 5).setValue("xmit_interval", 300)