// and the main outer network now receives the peer, notice the swap at the end "srcTuples == peerTuples"
LeftTupleSets peerTuples = new LeftTupleSets();
SegmentPropagator.processPeers( srcTuples, peerTuples, betaNode );
// Make sure subnetwork Segment has tuples to process
LeftTupleSets subnetworkStaged = subSmem.getStagedLeftTuples();
subnetworkStaged.addAll( srcTuples );
srcTuples.resetAll();
srcTuples = peerTuples;
}