public bool AreMembersSame(InstanceGroupMemberConfig[] members)
        {
            Tuple <string[], string[], string[]> tuple = Utils.DiffArrays <string>(this.PaxosInfo.Members, (from m in members
                                                                                                            select m.Name).ToArray <string>());

            return(tuple.Item2.Length == 0 && tuple.Item3.Length == 0);
        }