Study on Evaluation Method for Network Survivability Under Intentional Nodes Attack

Network survivability is an important factor to consider in network design and analysis, but evaluation of network survivability at present mainly adopts static methods, which has certain limitations. For this purpose, the article put forward an evaluation method for network survivability under dynamic condition. That is, assuming the network nodes are intentionally attacked, we evaluate its survivability by the increase of the average hops of the network. If the increase of the average hops of a network is smaller after it suffers from intentional nodes attack, then the survivability of the network is stronger. Compared with static evaluation methods, the method proposed in the paper has more practical significance. Experimental results show that the method of paper is correct.