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Abstract
The distributed patch dissemination strategies are a promising alternative to the conventional centralized patch dissemination strategies. This paper aims to establish a theoretical framework for evaluating the effectiveness of distributed patch dissemination mechanism. Assuming that the Internet offers P2P service for every pair of nodes on the network, a dynamic model capturing both the virus propagation mechanism and the distributed patch dissemination mechanism is proposed. This model takes into account the infected removable storage media and hence captures the interaction of patches with viruses better than the original SIPS model. Surprisingly, the proposed model exhibits much simpler dynamic properties than the original SIPS model. Specifically, our model admits only two potential (viral) equilibria and undergoes a fold bifurcation. The global stabilities of the two equilibria are determined. Consequently, the dynamical properties of the proposed model are fully understood. Furthermore, it is found that reducing the probability per unit time of disconnecting a node from the Internet benefits the containment of electronic viruses.
Highlights
Electronic viruses, ranging from host-dependent viruses and network worms to other malicious codes such as Trojans and spyware, have posed a serious threat to our daily work and life [1]
Assuming that the Internet offers P2P service for every pair of nodes on the network, a virus-patch dynamic model incorporating the impact of infected removable storage media is suggested
0: This theorem shows that reducing the probability per unit time of disconnecting a node from the Internet could benefit the containment of electronic viruses
Summary
OPEN ACCESS Citation: Yang L-X, Yang X (2015) A Novel VirusPatch Dynamic Model. PLoS ONE 10(9): e0137858. doi:10.1371/journal.pone.0137858 Editor: Yong Deng, Southwest University, CHINA Received: June 21, 2015. Assuming that the Internet offers P2P service for every pair of nodes on the network, a dynamic model capturing both the virus propagation mechanism and the distributed patch dissemination mechanism is proposed. This model takes into account the infected removable storage media and captures the interaction of patches with viruses better than the original SIPS model. The dynamical properties of the proposed model are fully understood. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript
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