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Network function virtualization: state-of-the-art and research challenges

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Abstract
Network function virtualization (NFV) has drawn significant attention from both industry and academia as an important shift in telecommunication service provisioning. By decoupling network functions (NFs) from the physical devices on which they run, NFV has the potential to lead to significant reductions in operating expenses (OPEX) and capital expenses (CAPEX) and facilitate the deployment of new services with increased agility and faster time-to-value. The NFV paradigm is still in its infancy and there is a large spectrum of opportunities for the research community to develop new architectures, systems and applications, and to evaluate alternatives and trade-offs in developing technologies for its successful deployment. In this paper, after discussing NFV and its relationship with complementary fields of software defined networking (SDN) and cloud computing, we survey the state-of-the-art in NFV, and identify promising research directions in this area. We also overview key NFV projects, standardization efforts, early implementations, use cases, and commercial products.
Keywords
Network function virtualization, IBCN, virtual network functions, future Internet, software defined networking, cloud computing, SOFTWARE-DEFINED NETWORKING, DATA CENTERS, IMPLEMENTATION, OPENFLOW, INTERNET, NETCONF, SERVICE, THINGS, FUTURE, SDN

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Chicago
Mijumbi, Rashid, Joan Serrat, Juan-Luis Gorricho, Niels Bouten, Filip De Turck, and Raouf Boutaba. 2016. “Network Function Virtualization: State-of-the-art and Research Challenges.” Ieee Communications Surveys and Tutorials 18 (1): 236–262.
APA
Mijumbi, Rashid, Serrat, J., Gorricho, J.-L., Bouten, N., De Turck, F., & Boutaba, R. (2016). Network function virtualization: state-of-the-art and research challenges. IEEE COMMUNICATIONS SURVEYS AND TUTORIALS, 18(1), 236–262.
Vancouver
1.
Mijumbi R, Serrat J, Gorricho J-L, Bouten N, De Turck F, Boutaba R. Network function virtualization: state-of-the-art and research challenges. IEEE COMMUNICATIONS SURVEYS AND TUTORIALS. 2016;18(1):236–62.
MLA
Mijumbi, Rashid et al. “Network Function Virtualization: State-of-the-art and Research Challenges.” IEEE COMMUNICATIONS SURVEYS AND TUTORIALS 18.1 (2016): 236–262. Print.
@article{7250281,
  abstract     = {Network function virtualization (NFV) has drawn significant attention from both industry and academia as an important shift in telecommunication service provisioning. By decoupling network functions (NFs) from the physical devices on which they run, NFV has the potential to lead to significant reductions in operating expenses (OPEX) and capital expenses (CAPEX) and facilitate the deployment of new services with increased agility and faster time-to-value. The NFV paradigm is still in its infancy and there is a large spectrum of opportunities for the research community to develop new architectures, systems and applications, and to evaluate alternatives and trade-offs in developing technologies for its successful deployment. In this paper, after discussing NFV and its relationship with complementary fields of software defined networking (SDN) and cloud computing, we survey the state-of-the-art in NFV, and identify promising research directions in this area. We also overview key NFV projects, standardization efforts, early implementations, use cases, and commercial products.},
  author       = {Mijumbi, Rashid and Serrat, Joan and Gorricho, Juan-Luis and Bouten, Niels and De Turck, Filip and Boutaba, Raouf},
  issn         = {1553-877X},
  journal      = {IEEE COMMUNICATIONS SURVEYS AND TUTORIALS},
  keywords     = {Network function virtualization,IBCN,virtual network functions,future Internet,software defined networking,cloud computing,SOFTWARE-DEFINED NETWORKING,DATA CENTERS,IMPLEMENTATION,OPENFLOW,INTERNET,NETCONF,SERVICE,THINGS,FUTURE,SDN},
  language     = {eng},
  number       = {1},
  pages        = {236--262},
  title        = {Network function virtualization: state-of-the-art and research challenges},
  url          = {http://dx.doi.org/10.1109/COMST.2015.2477041},
  volume       = {18},
  year         = {2016},
}

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