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Unresponsive Fairness Attacks in High Bandwidth-Delay Product Networks

Author: JiaWenJuan
Tutor: ChenJianEr
School: Central South University
Course: Applied Computer Technology
Keywords: Explicit Congestion Control Protocol Fair queue management Malicious attacks High-bandwidth delay networks
CLC: TN915.08
Type: Master's thesis
Year: 2009
Downloads: 28
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Abstract

The normal operation of the network congestion control protocol , requires the collaboration of all end nodes to complete, in order to ensure the efficient use of network resources and equitable distribution . However, many end nodes do not respond in the real network congestion signal and malicious encroachment network bandwidth , they are not only seriously undermine the fairness of the network , and even lead to network congestion collapse . Congestion control mechanism in the development of high bandwidth delay network , is also facing the threat of non - response to sexual assault . Explicit Congestion Control Protocol malicious behavior analysis and simulation results show that the non - response to malicious attacks destructive , concealed, its in-depth research and control . Explicit Congestion Control Protocol in response to sexual assault , this paper presents the method of the local defense router-based fair queue management . NS2 under Simulation , these defense mechanisms are facing new threats of the XCP Explicit Congestion Control Protocol defense, but a certain degree of control effect still can not achieve fairness requirements . For local defense mechanisms are inadequate , combined with the explicit congestion agreement features , this paper proposes a collaborative router defense mechanism CMAD - XCP . By the core routers in the network , the mechanism responsible for the perception of the existence of malicious attack , suspected malicious data flow to inform the edge router specific implementation distinguish and punish the malicious data stream . Proved CMAD - XCP can effectively and accurately detect the non - responsive malicious flow , have a strong monitoring defense capabilities in a variety of dynamic network environment , and does not affect the normal protocol data stream transmission , easy to apply to explicit feedback Agreement , and good scalability . Finally a summary of the research work done by , and described the high-bandwidth delay networks of non - response to malicious attacks further research directions .

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