Towards QoS and Security in Software-Driven Heterogeneous Autonomous Networks

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Conference Proceeding
2018 IEEE Global Communications Conference, GLOBECOM 2018 - Proceedings, 2018
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© 2018 IEEE. Autonomous Networks has a potential to solve complex and critical management issues in large scale multi-technological networks. Further, the novel paradigms, i.e., Software-Defined Networks (SDN) and Network Function Vir-tualization (NFV) offer unique and attractive solutions for Autonomous Networks or Systems (AS). However, despite of these attractive features, we observed two critical issues in this interlinked multi-technology domain. Firstly, the network externality and nodes heterogeneity seriously effected the flow specific Quality of Service (QoS). Secondly, it influenced se-curity adoption in an network of interconnected nodes. We observed that QoS and security both are non-negligible and inter-dependent factors. This motivates us to investigate solution towards a) alleviating the SDN network heterogeneity at control layer, and b) to strengthen the network security after alleviating the heterogeneity. In this research effort, we have attempted to alleviate the first issue. Firstly, significant and reasonable examples have been cited to motivate researchers to study QoS and security hand-to-hand. Secondly, a theoretical high level frame work has been proposed with the aim to transform the N heterogeneous controllers to n homogeneous controller groups. Following this, we have demonstrated that our approximation method to transform heterogeneous systems to homogeneous groups works well even at high degree of heterogeneity in the network. We have shown our theoretical analysis results using Matlab. Following this, we have shown the Proof of Concept (PoC) of our approach in SDN-NFV ecosystem using Mininet. This early analysis will help researchers to address heterogeneity and security in more effective ways.
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