Orchestrating scalable service function chains in a NFV environment

Medhat, Ahmed M.; Carella, Giuseppe; Pauls, Michael; Magedanz, Thomas

doi:10.1109/netsoft.2017.8004207

Cited by 17 publications

(8 citation statements)

References 6 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In recent years, researchers have studied many issues raised in NFV, including SFC routing, VNF placement, resource management, and orchestration. For example, in [9], Medhat et al address the VNF implementation and migration issue when an instance of service functions becomes overwhelmed by seeking an appropriate way to redirect traffic flows. In [10], Eramo et al, present three algorithms that tackle VNF instance and SFC routing in reaction to changes in the workload.…”

Section: Related Workmentioning

confidence: 99%

Efficient Traffic Engineering in an NFV Enabled IoT System

Nguyen

Pham

2020

Sensors

View full text Add to dashboard Cite

The Internet of Things (IoT) is increasingly creating new market possibilities in several industries’ sectors such as smart homes, smart manufacturing, and smart cities, to link the digital and physical worlds. A key challenge in an IoT system is to ensure network performance and cost-efficiency when a plethora of data is generated and proliferated. The adoption of Network Function Virtualization (NFV) technologies within an IoT environment enables a new approach of providing services in a more agile and cost-efficient way. We address the problem of traffic engineering with multiple paths for an NFV enabled IoT system (vIoT), taking into account the fluctuation of traffic volume in various time periods. We first formulate the problem as a mixed linear integer programming model for finding the optimal solution of link-weight configuration and traffic engineering. We then develop heuristic algorithms for a vIoT system with a large number of devices. Our solution enables a controller to adjust a link weight system and update a flow table at an NFV switch for directing IoT traffic through a service function chain in a vIoT system. The evaluation results under both synthetic and real-world datasets of network traffic and topologies show that our approach to traffic engineering with multiple paths remarkably improves several performance metrics for a vIoT system.

show abstract

Section: Related Workmentioning

confidence: 99%

Efficient Traffic Engineering in an NFV Enabled IoT System

Nguyen

Pham

2020

Sensors

View full text Add to dashboard Cite

show abstract

“…In [14], a use case of SFC applied to NFV and SDN technologies is reported. In particular, an SFC Orchestrator capable of dynamically updating the Service Function Paths at any time has been proposed.…”

Section: Service Function Chain and Vnffg Ietf Defines A Service Funmentioning

confidence: 99%

Towards an Efficient Management and Orchestration Framework for Virtual Network Security Functions

Pedone

Lioy

Valenza

2019

Security and Communication Networks

View full text Add to dashboard Cite

The recent years have witnessed a growth in the number of users connected to computer networks, due mainly to megatrends such as Internet of Things (IoT), Industry 4.0, and Smart Grids. Simultaneously, service providers started offering vertical services related to a specific business case (e.g., automotive, banking, and e-health) requiring more and more scalability and flexibility for the infrastructures and their management. NFV and SDN technologies are a clear way forward to address these challenges even though they are still in their early stages. Security plays a central role in this scenario, mainly because it must follow the rapid evolution of computer networks and the growing number of devices. The main issue is to protect the end-user from the increasing threats, and for this reason, we propose in this paper a security framework compliant to the Security-as-a-Service paradigm. In order to implement this framework, we leverage NFV and SDN technologies, using a user-centered approach. This allows to customize the security service starting from user preferences. Another goal of our work is to highlight the main relevant challenges encountered in the design and implementation of our solution. In particular, we demonstrate how significant is to choose an efficient way to configure the Virtual Network Security Functions in terms of performance. Furthermore, we also address the nontrivial problem of Service Function Chaining in an NFV MANO platform and we show what are the main challenges with respect to this problem.

show abstract

“…For example, in [38], the authors summarized their experimental activity aimed at designing, building, and testing a fully functional virtualized mobile core network, pointing out lessons learned and recommendations for future improvements. In [39], the authors present the concept of a scalable service function chaining (SFC) Orchestrator capable of deploying SF Chains following the ETSI-NFV architectural model, as well as orchestrating the runtime phase by rerouting the traffic to a different path in case of overload of certain SF instances.…”

Section: Testbedsmentioning

confidence: 99%

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

Nencioni

Garroppo

Gonzalez

et al. 2018

Wireless Communications and Mobile Computing

View full text Add to dashboard Cite

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.

show abstract

Orchestrating scalable service function chains in a NFV environment

Cited by 17 publications

References 6 publications

Efficient Traffic Engineering in an NFV Enabled IoT System

Efficient Traffic Engineering in an NFV Enabled IoT System

Towards an Efficient Management and Orchestration Framework for Virtual Network Security Functions

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

Contact Info

Product

Resources

About