QoS and Resource aware Security Orchestration System
M. Bagaa, T. Taleb, J. B. Bernabe, A. Skarmeta

TL;DR
This paper presents a cost-efficient, secure SFC management system for NFV and SDN-enabled 5G networks, optimizing resource allocation and security to improve network slicing performance.
Contribution
It introduces a novel SFC management system that considers QoS, resource constraints, and security levels for optimized, secure network slice deployment.
Findings
Efficient management of SFCs reduces deployment costs.
Optimized SFCs lower end-to-end delay.
Simulation confirms effectiveness of the proposed system.
Abstract
Network Function Virtualization (NFV) and Software Distributed Networking (SDN) technologies play a crucial role in enabling 5G system and beyond. A synergy between these both technologies has been identified for enabling a new concept dubbed service function chains (SFC) that aims to reduce both the capital expenditures (CAPEX) and operating expenses (OPEX). The SFC paradigm considers different constraints and key performance indicators (KPIs), that includes QoS and different resources, for enabling network slice services. However, the large-scale, complexity and security issues brought by these technologies create an extra overhead for ensuring secure network slicing. To cope with these challenges, this paper proposes a cost-efficient optimized SFC management system that enables the creation of SFCs for enabling efficient and secure network slices. The proposed system considers the…
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