NDLI: A framework for dynamic network architecture and topology optimization

Content Provider	ACM Digital Library
Author	Pérez-romero, Jordi Shafigh, Alireza Shams Glisic, Savo Lorenzo, Beatriz Mackenzie, Allen B. Röning, Juha Dasilva, Luiz A.
Copyright Year	2016
Description	Author Affiliation: Universitat Politècnica de Catalunya, Barcelona, Spain(Mackenzie, Allen B.; Virginia tech, Blacksburg (DaSilva, Luiz A.; Rning, Juha); Glisic, Savo; University of oulu, Oulu, Finland (Shafigh, Alireza Shams; University of oulu, Oulu, Finland and University of Vigo, Vigo, Spain (Lorenzo, Beatriz); Prez-romero, Jordi))
Abstract	A new paradigm in wireless network access is presented and analyzed. In this concept, certain classes of wireless terminals can be turned temporarily into an access point (AP) anytime while connected to the Internet. This creates a dynamic network architecture (DNA) since the number and location of these APs vary in time. In this paper, we present a framework to optimize different aspects of this architecture. First, the dynamic AP association problem is addressed with the aim to optimize the network by choosing the most convenient APs to provide the quality-of-service (QoS) levels demanded by the users with the minimum cost. Then, an economic model is developed to compensate the users for serving as APs and, thus, augmenting the network resources. The users' security investment is also taken into account in the AP selection. A preclustering process of the DNA is proposed to keep the optimization process feasible in a high dense network. To dynamically reconfigure the optimum topology and adjust it to the traffic variations, a new specific encoding of genetic algorithm (GA) is presented. Numerical results show that GA can provide the optimum topology up to two orders of magnitude faster than exhaustive search for network clusters, and the improvement significantly increases with the cluster size.
Starting Page	717
Ending Page	730
Page Count	14
File Format	PDF
ISSN	10636692
Volume Number	24
Issue Number	2
Journal	IEEE/ACM Transactions on Networking (TON)
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2016-04-01
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Access point selection Economic model Network optimization Quality of service (QoS) Security investment Topology reconfiguration Traffic dynamics
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Networks and Communications Software Computer Science Applications

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