A Scheme of Resource Reallocation and Server Replication against DoS Attacks 


Vol. 10,  No. 1, pp. 7-14, Mar.  2003
10.3745/KIPSTA.2003.10.1.7


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  Abstract

In order to cope with DoS (Denial of Service) attacks disturbing delivery of intended services by exhausting resources of computing nodes, we need a solution to recognize important resources for the essential services which have to be maintained under any circumstances and to adapt the system to the urgent situation and reconfigure itself properly. In this paper, we present a two-phase scheme to handle the problem. In the first phase, by means of dynamic resource reallocation within a computing node, we try to make the selected essential services survive even after the occurrence of an attack. For the second phase when it becomes impossible to continue the service in spite of the actions taken in the first phase, we apply server replication in order to continue the transparent provision of the essential services with the end users by utilizing redundant computing nodes previously arranged. Experimental result obtained on a testbed reveals the validity of the proposed scheme. A comparison with other proposed schemes has been conducted by analyzing the performance and the cost.

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[IEEE Style]

B. J. Min, S. K. Kim, Y. H. Na, H. J. Lee, J. S. Choi, H. G. Kim, "A Scheme of Resource Reallocation and Server Replication against DoS Attacks," The KIPS Transactions:PartA, vol. 10, no. 1, pp. 7-14, 2003. DOI: 10.3745/KIPSTA.2003.10.1.7.

[ACM Style]

Byoung Joon Min, Sung Ki Kim, Yong Hi Na, Ho Jae Lee, Joong Sup Choi, and Hong Geun Kim. 2003. A Scheme of Resource Reallocation and Server Replication against DoS Attacks. The KIPS Transactions:PartA, 10, 1, (2003), 7-14. DOI: 10.3745/KIPSTA.2003.10.1.7.

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