Scalable and Resilient Network Traffic Engineering Using Erlang-based Path Computation Element

Merle, Sébastien; Fernández-Palacios, Juan Pedro; Dios, Óscar González de; Gifre, Lluís; Vilalta, Ricard; Stritzinger, Peer

doi:10.1109/nfv-sdn53031.2021.9665034

2021 IEEE Conference on Network Function Virtualization and Software Defined Networks (NFV-SDN) 2021

DOI: 10.1109/nfv-sdn53031.2021.9665034

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Scalable and Resilient Network Traffic Engineering Using Erlang-based Path Computation Element

Sébastien Merle¹,

Juan Pedro Fernández-Palacios

Óscar González de Dios

et al.

Abstract: Scalability and resiliency are two significant requirements for upcoming beyond 5G networks. As network resource usage is expected to increase, scalability of the control plane handling the required amount of network resources is also necessary. Moreover, resiliency of cloudified control plane software mechanisms is also a requirement. This demonstration presents an Erlang-based Path Computation Element (PCE) able to perform traffic engineering for Segment Routing. Specific scalability and resiliency propertie… Show more

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“…Further, PCE is highly appreciable to be deployed in scalable and resilient network traffic management. In[67], one such instance was reported with secure means of Erlang-based traffic engineering for SDN deployed for robust implications in 5G services with increased scalability of the control plane. The valuable inclusion of PCE further aids in providing the optimized path and assists in interacting with applications for making dynamic changes in SDN environments through PCE.VOLUME 10, 2022…”

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SDN Security Review: Threat Taxonomy, Implications, and Open Challenges

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Software-Defined networking (SDN) is a networking paradigm to enable dynamic, flexible, and programmatically efficient configuration of networks to revolutionize network control and management via separation of the control plane and data plane. The SDN technology has evolved in response to the demands from large data centers toward all types of networks, from IoT, enterprise, to ISP networks. On the one hand, SDN has provided solutions for high-demand resources, managing unpredictable data traffic patterns, and rapid network reconfiguration. It is further used to enhance network virtualization and security. On the other hand, SDN is still subject to many traditional network security threats. It also introduces new security vulnerabilities, primarily due to its logically centralized control plane infrastructure and functions. In this paper, we conduct a comprehensive survey on the core functionality of SDN from the perspective of secure communication infrastructure at different scales. A specific focus is put forward to address the challenges in securing SDN-based communications, with efforts taken up to address them. We further categorize the appropriate solutions for specific threats at each layer of SDN infrastructures. Lastly, security implications and future research trends are highlighted to provide insights for future research.INDEX TERMS Software defined networks, OpenFlow, security, threat, attack, vulnerability, network security.• Discussion of the future research directions and open challenges hindering resiliency and security in SDNenabled systems. Different from existing papers, this paper provides an up-to-date discussion about security issues in SDN environments. The presented taxonomy covers security threats ranging from topology discovery, network and app manipulation, flow diversion, teleportation & rootkits, controller placement, access control and authorization, to conventional networking threats. Further, in addition to reviewing existing security solutions and related implications, this paper provides key use cases of SDN technology implementation in smart communication systems. This layout is aimed to enable researchers to focus on the challenges that breach security in SDN communications. Ultimately, this work will provide further insights for future research in the SDN security domain.

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SDN Security Review: Threat Taxonomy, Implications, and Open Challenges

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Scalable and Resilient Network Traffic Engineering Using Erlang-based Path Computation Element

Cited by 1 publication

References 2 publications

SDN Security Review: Threat Taxonomy, Implications, and Open Challenges

SDN Security Review: Threat Taxonomy, Implications, and Open Challenges

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