Integrated SDN/NFV Management and Orchestration Architecture for Dynamic Deployment of Virtual SDN Control Instances for Virtual Tenant Networks [Invited]

Muñoz, Raül; Vilalta, Ricard; Casellas, Ramon; Martínez, Ricardo; Szyrkowiec, Thomas; Autenrieth, Achim; López, Vı́ctor; López, Diego

doi:10.1364/jocn.7.000b62

Cited by 90 publications

(61 citation statements)

References 4 publications

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“…In addition to the technical aspects, economic and legal issues must be dealt within SLAs which get an increasingly important role [52]. These issues have been addressed by a number of fora, projects, and researches; see, for instance, [41,[53][54][55][56]. However, no overarching outcome is seen, and this is still a major research challenge that must be resolved before the vision of 5G becomes a reality.…”

Section: Multiactor Issuesmentioning

confidence: 99%

Orchestration and Control in Software‐Defined 5G Networks: Research Challenges

Nencioni

Garroppo

Gonzalez

et al. 2018

Wireless Communications and Mobile Computing

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The fifth generation (5G) of cellular networks promises to be a major step in the evolution of wireless technology. 5G is planned to be used in a very broad set of application scenarios. These scenarios have strict heterogeneous requirements that will be accomplished by enhancements on the radio access network and a collection of innovative wireless technologies. Softwarization technologies, such as Software-Defined Networking (SDN) and Network Function Virtualization (NFV), will play a key role in integrating these different technologies. Network slicing emerges as a cost-efficient solution for the implementation of the diverse 5G requirements and verticals. The 5G radio access and core networks will be based on a SDN/NFV infrastructure, which will be able to orchestrate the resources and control the network in order to efficiently and flexibly and with scalability provide network services. In this paper, we present the up-to-date status of the software-defined 5G radio access and core networks and a broad range of future research challenges on the orchestration and control aspects.

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Section: Multiactor Issuesmentioning

confidence: 99%

Orchestration and Control in Software‐Defined 5G Networks: Research Challenges

Nencioni

Garroppo

Gonzalez

et al. 2018

Wireless Communications and Mobile Computing

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show abstract

“…Figure 3 shows different approaches in routing SFC traffic. This is mainly reflected by plain flow-based routing ( Figure 3(1,2)), the use of additional SFC headers ( Figure 3 (3,4,5)) or by using transport tunnels (Figure 3(6,7)). Running common encryption services on the Internet Protocol (IP) layer introduces an SFC routing problem because the packet encryption hides or changes the meta-data information such as the destination port inside the IP packet (Figure 3(2)).…”

Section: Research Challengesmentioning

confidence: 99%

“…Both our previous work [3] and other related research [4] have identified many technologies in order to interconnect NFV services across multiple service providers. The research shows that, due to a wide set of components and abstraction layers, the interconnection of interfaces between the provider domains can be archived in many ways [4].…”

Section: Related Workmentioning

confidence: 99%

A Tiered Control Plane Model for Service Function Chaining Isolation

2018

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This article presents an architecture for encryption automation in interconnected Network Function Virtualization (NFV) domains. Current NFV implementations are designed for deployment within trusted domains, where overlay networks with static trusted links are utilized for enabling network security. Nevertheless, within a Service Function Chain (SFC), Virtual Network Function (VNF) flows cannot be isolated and end-to-end encrypted because each VNF requires direct access to the overall SFC data-flow. This restricts both end-users and Service Providers from enabling end-to-end security, and in extended VNF isolation within the SFC data traffic. Encrypting data flows on a per-flow basis results in an extensive amount of secure tunnels, which cannot scale efficiently in manual configurations. Additionally, creating secure data plane tunnels between NFV providers requires secure exchange of key parameters, and the establishment of an east-west control plane protocol. In this article, we present an architecture focusing on these two problems, investigating how overlay networks can be created, isolated, and secured dynamically. Accordingly, we propose an architecture for automated establishment of encrypted tunnels in NFV, which introduces a novel, tiered east-west communication channel between network controllers in a multi-domain environment.

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“…One of possible improvements of ETSI NFV-MANO is joining it with SDN-like management, see, e.g., [36], [37]. The systems are compatible because they have plane-based/layered structure and both of them assume centralized management.…”

Section: Management and Orchestrationmentioning

confidence: 99%

On end-to-end approach for slice isolation in 5G networks. Fundamental challenges

Kotulski¹,

Nowak²,

Sepczuk³

et al. 2017

Annals of Computer Science and Information Systems

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Abstract-There are several reports and white papers which attempt to precise 5G architectural requirements presenting them from different points of view, including techno-socio-economic impacts and technological constraints. Most of them deal with network slicing aspects as a central point, often strengthening slices with slice isolation. The goal of this paper is to present and examine the isolation capabilities and selected approaches for its realization in network slicing context. As the 5G architecture is still evolving, the specification of isolated slices operation and management brings new requirements that need to be addressed, especially in a context of End-to-End (E2E) security. Thus, an outline of recent trends in slice isolation and a set of challenges are proposed, which (if properly addressed) could be a step to E2E user's security based on slices isolation.

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Integrated SDN/NFV Management and Orchestration Architecture for Dynamic Deployment of Virtual SDN Control Instances for Virtual Tenant Networks [Invited]

Cited by 90 publications

References 4 publications

Orchestration and Control in Software‐Defined 5G Networks: Research Challenges

Orchestration and Control in Software‐Defined 5G Networks: Research Challenges

A Tiered Control Plane Model for Service Function Chaining Isolation

On end-to-end approach for slice isolation in 5G networks. Fundamental challenges

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