public Node<T> NextNode
        {
            get { return _nextNode; }
            set
            {
                var r = new Random();
                Node<T> initialValue, computedValue;
                do
                {
                    initialValue = _nextNode;
                    computedValue = value;
                }
                while (initialValue != Interlocked.CompareExchange(ref _nextNode,
                    computedValue, initialValue));
            }
        }