ManagedChannel channel = NettyChannelBuilder.forAddress(Util.LOCALHOST, sim.getPort())
.nameResolverFactory(new DnsNameResolverProvider())
.loadBalancerFactory(new PickFirstLoadBalancerProvider()).usePlaintext().build();
ManagedChannel channel = NettyChannelBuilder.forAddress(Util.LOCALHOST, sim.getPort())
.nameResolverFactory(new DnsNameResolverProvider())
.loadBalancerFactory(new PickFirstLoadBalancerProvider()).usePlaintext().build();