A multi-objective heuristic for the optimization of virtual network function chain placement

S Lange, A Grigorjew, T Zinner… - … Congress (ITC 29), 2017 - ieeexplore.ieee.org
The Network Functions Virtualization (NFV) paradigm offers network operators benefits in
terms of cost efficiency, vendor independence, as well as flexibility and scalability. However …

Virtualized network functions chaining and routing algorithms

S Khebbache, M Hadji, D Zeghlache - Computer Networks, 2017 - Elsevier
We focus on the placement of Virtualized Network Functions (VNFs) chains in the Network
Function Virtualization (NFV) context where NFV Infrastructures (NFVIs) are used to host the …

Revenue-maximizing virtualized network function chain placement in dynamic environment

Y Xie, S Wang, Y Dai - Future Generation Computer Systems, 2020 - Elsevier
Abstract Network Function Virtualization (NFV) is a promising paradigm which can increase
network flexibility by deploying newly network services into networks. Because of the …

Optimal orchestration of virtual network functions

M Gao, B Addis, M Bouet, S Secci - Computer Networks, 2018 - Elsevier
Abstract The emergence of Network Functions Virtualization (NFV) is bringing a set of novel
algorithmic challenges in the operation of communication networks. NFV introduces volatility …

A multi-objective non-dominated sorting genetic algorithm for VNF chains placement

S Khebbache, M Hadji… - 2018 15th IEEE Annual …, 2018 - ieeexplore.ieee.org
We propose a meta-heuristic based on the Non-dominated Sorting Genetic Algorithm II
(NSGA-II) to address the NP-Hard service function chain placement problem. This work …

A link failure recovery algorithm for virtual network function chaining

O Soualah, M Mechtri, C Ghribi… - 2017 IFIP/IEEE …, 2017 - ieeexplore.ieee.org
This paper addresses Virtual Network Functions (VNFs) placement and chaining in the
presence of physical link failures. A decision tree approach to the NP-Hard VNF placement …

A survey on the placement of virtual network functions

J Sun, Y Zhang, F Liu, H Wang, X Xu, Y Li - Journal of Network and …, 2022 - Elsevier
The dependence of traditional network functions (NFs) on special hardware results in high
capital expenditures (CAPEX) and operating expenditures (OPEX). Network Function …

A fix-and-optimize approach for efficient and large scale virtual network function placement and chaining

MC Luizelli, WL da Costa Cordeiro, LS Buriol… - Computer …, 2017 - Elsevier
Abstract Network Function Virtualization (NFV) is a novel concept that is reshaping the
middlebox arena, shifting network functions (eg firewall, gateways, proxies) from specialized …

Cost-aware placement and chaining of service function chain with VNF instance sharing

H Guo, Y Wang, Z Li, X Qiu, H An… - NOMS 2020-2020 IEEE …, 2020 - ieeexplore.ieee.org
Network Function Virtualization (NFV) is an important shift in telecommunication service
provisioning. It enables the decoupling of network element functions and dedicated …

CCVP: Cost-efficient centrality-based VNF placement and chaining algorithm for network service provisioning

S Ahvar, HP Phyu, SM Buddhacharya… - … IEEE Conference on …, 2017 - ieeexplore.ieee.org
Network services have been significantly increased in today's enterprise networks. The time
and cost of deploying these services are recently considered as critical challenges for …