MuSC: A multi-stage service chains embedding approach. (1st June 2020)
- Record Type:
- Journal Article
- Title:
- MuSC: A multi-stage service chains embedding approach. (1st June 2020)
- Main Title:
- MuSC: A multi-stage service chains embedding approach
- Authors:
- El Mensoum, Imane
Wahab, Omar Abdul
Kara, Nadjia
Edstrom, Claes - Abstract:
- Abstract: Network function virtualization is an emerging concept that is attracting increasing attention in the industry because it offers high levels of agility and flexibility to the network allowing easier software updates, resource adjustment and scalable changes in the configuration of the services. Network functions traditionally delivered on hardware and purpose-built platforms in legacy networks can now be provided through shared virtual resources called VNFs (Virtual network functions) hosted over shared physical network infrastructures. Using network functions as absolute software components would certainly improve the deployment process and the management of the VNF life cycle. Since VNFs are hardware-independent, there is no need to check whether or not a network function is compatible with the rest of the network's physical parts; this also helps reduce the maintenance costs, which can increase drastically in the case of major upgrades to the network infrastructure. Along with all these benefits, shifting to virtual-based networks comes with a significant number of challenges, especially in terms of placing such virtual components, ensuring their interoperability and maintaining the quality of service at a level that is at least as good as what is offered by hardware based architectures. In this paper, we propose a cluster-based placement and chaining solution. The overall proposed approach consists of: 1) formulating an Integer Linear Programming (ILP) modelAbstract: Network function virtualization is an emerging concept that is attracting increasing attention in the industry because it offers high levels of agility and flexibility to the network allowing easier software updates, resource adjustment and scalable changes in the configuration of the services. Network functions traditionally delivered on hardware and purpose-built platforms in legacy networks can now be provided through shared virtual resources called VNFs (Virtual network functions) hosted over shared physical network infrastructures. Using network functions as absolute software components would certainly improve the deployment process and the management of the VNF life cycle. Since VNFs are hardware-independent, there is no need to check whether or not a network function is compatible with the rest of the network's physical parts; this also helps reduce the maintenance costs, which can increase drastically in the case of major upgrades to the network infrastructure. Along with all these benefits, shifting to virtual-based networks comes with a significant number of challenges, especially in terms of placing such virtual components, ensuring their interoperability and maintaining the quality of service at a level that is at least as good as what is offered by hardware based architectures. In this paper, we propose a cluster-based placement and chaining solution. The overall proposed approach consists of: 1) formulating an Integer Linear Programming (ILP) model aimed at finding an optimal tradeoff between multiple objective functions that might be sometimes conflicting (e.g hardware resource and energy consumption minimization, transmission delays, bandwidth usage, etc…), 2) classifying the substrate network into a set of on-demand clusters that are efficient for a predefined set of metrics, and 3) using meta-heuristic-based algorithms to find near-optimal solutions for the formulated ILP. … (more)
- Is Part Of:
- Journal of network and computer applications. Volume 159(2020)
- Journal:
- Journal of network and computer applications
- Issue:
- Volume 159(2020)
- Issue Display:
- Volume 159, Issue 2020 (2020)
- Year:
- 2020
- Volume:
- 159
- Issue:
- 2020
- Issue Sort Value:
- 2020-0159-2020-0000
- Page Start:
- Page End:
- Publication Date:
- 2020-06-01
- Subjects:
- Network function virtualization -- Service function chains -- Virtual functions placement and chaining -- Genetic algorithm -- Chemical reaction optimization
Microcomputers -- Periodicals
Computer networks -- Periodicals
Application software -- Periodicals
Micro-ordinateurs -- Périodiques
Réseaux d'ordinateurs -- Périodiques
Logiciels d'application -- Périodiques
Application software
Computer networks
Microcomputers
Periodicals
004.05
004 - Journal URLs:
- http://www.sciencedirect.com/science/journal/10848045 ↗
http://www.elsevier.com/journals ↗ - DOI:
- 10.1016/j.jnca.2020.102593 ↗
- Languages:
- English
- ISSNs:
- 1084-8045
- Deposit Type:
- Legaldeposit
- View Content:
- Available online (eLD content is only available in our Reading Rooms) ↗
- Physical Locations:
- British Library DSC - 5021.410600
British Library DSC - BLDSS-3PM
British Library HMNTS - ELD Digital store - Ingest File:
- 13376.xml