Security Management System for 4G Heterogeneous Networks

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dc.contributor.authorAlquhayz, Hani
dc.date.accessioned2015-08-05T16:16:01Z
dc.date.available2015-08-05T16:16:01Z
dc.date.issued2015-05
dc.description.abstractThere is constant demand for the development of mobile networks to meet the service requirements of users, and their development is a significant topic of research. The current fourth generation (4G) of mobile networks are expected to provide high speed connections anywhere at any time. Various existing 4G architectures such as LTE and WiMax support only wireless technologies, while an alternative architecture, Y-Comm, has been proposed to combine both existing wired and wireless networks. Y-Comm seeks to meet the main service requirements of 4G by converging the existing networks, so that the user can get better service anywhere and at any time. One of the major characteristics of Y-Comm is heterogeneity, which means that networks with different topologies work together to provide seamless communication to the end user. However, this heterogeneity leads to technical issues which may compromise quality of service, vertical handover and security. Due to the convergence characteristic of Y-Comm, security is considered more significant than in the existing LTE and WiMax networks. These security concerns have motivated this research study to propose a novel security management system. The research aims to meet the security requirements of 4G mobile networks, e.g. preventing end user devices from being used as attack tools. This requirement has not been met clearly in previous studies of Y-Comm, but this study proposes a security management system which does this. This research follows the ITU-T recommendation M.3400 dealing with security violations within Y-Comm networks. It proposes a policy-based security management system to deal with events that trigger actions in the system and uses Ponder2 to implement it. The proposed system, located in the top layer of the Y-Comm architecture, interacts with components of Y-Comm to enforce the appropriate policies. Its four main components are the Intelligent Agent, the Security Engine, the Security Policies Database and the Security Administrator. These are represented in this research as managed objects to meet design considerations such as extensibility and modifiability. This research demonstrates that the proposed system meets the security requirements of the Y-Comm environment. Its deployment is possible with managed objects built with Ponder2 for all of the components of Y-Comm, which means that the security management system is able to prevent end user devices from being used as attack tools. It can also achieve other security goals of Y-Comm networks.en
dc.identifier.urihttp://hdl.handle.net/2086/11124
dc.language.isoenen
dc.publisherDe Montfort Universityen
dc.publisher.departmentFaculty of Technologyen
dc.publisher.departmentSoftware Technology Research Laboratoryen
dc.subject4Gen
dc.subjectHeterogeneous networksen
dc.subjectsecurity managementen
dc.titleSecurity Management System for 4G Heterogeneous Networksen
dc.typeThesis or dissertationen
dc.type.qualificationlevelDoctoralen
dc.type.qualificationnamePhDen

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