%0 Article %A Palugyai Sándor %D 2005 %G English %B Acta cybernetica %@ 0324-721X %T Measurement and optimization of access control lists %U http://acta.bibl.u-szeged.hu/12761/1/Palugyai_2005_ActaCybernetica.pdf %X This paper deals with the examination of Access Control Lists (ACLs) that are used in IP routers mainly for providing network admission control and maintaining a certain level of quality of service. In our work we present a method for measuring the performance impact of ACLs on the packet forwarding capabilities of a router. Besides, our study proposes new methods to model and optimize the operation and reduce the redundancy of ACLs.