optional string appProtocol = 4;
}

// EndpointSubset is a group of addresses with a common set of ports. The
// expanded set of endpoints is the Cartesian product of Addresses x Ports.
// For example, given:
//
// 	{
// 	  Addresses: [{"ip": "10.10.1.1"}, {"ip": "10.10.2.2"}],
// 	  Ports:     [{"name": "a", "port": 8675}, {"name": "b", "port": 309}]
// 	}
//