@Override
                public Host next() {
                    remainingHosts--;
                    int c = currentIndex++ % hosts.size();
                    if (c < 0)
                        c += hosts.size();
                    return hosts.get(c);
                }
A simple round-robin strategy that simply selects the next host in the {@link Cluster} to send the
{@link RequestMessage} to.
gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/LoadBalancingStrategy.java