Design and analysis of techniques for mapping virtual networks to software-defined network substrates

M Demirci, M Ammar - Computer Communications, 2014 - Elsevier
… a more efficient allocation of network resources compared to random mapping. In software-…
of virtual network embedding in software-defined networks: virtual node and link mapping, …

A efficient mapping algorithm with novel node-ranking approach for embedding virtual networks

H Cao, Y Zhu, L Yang, G Zheng - IEEE Access, 2017 - ieeexplore.ieee.org
… We therefore consider the link propagation delay as a node-link constraint into VNETAGRD
algorithm, so as to the mapped virtual network provides delay guaranteed services to meet …

Virtual network embedding: A survey

A Fischer, JF Botero, MT Beck… - … Surveys & Tutorials, 2013 - ieeexplore.ieee.org
… of virtual resources both in nodes and linksVirtual Node Mapping (VNoM) where virtual
nodes have to be allocated in physical nodes and Virtual Link Mapping (VLiM) where virtual links

A new algorithm with coordinated node and link mapping for virtual network embedding based on LP relaxation

X Gao, H Yu, V Anand, G Sun, H Di - Asia Communications and …, 2010 - opg.optica.org
virtual nodes have been mapped, we use the multi-commodity flow algorithm to map the
virtual links onto the substrate network. … path splitting is supported by the substrate network [8]. …

Optimal virtual network embedding: Node-link formulation

M Melo, S Sargento, U Killat… - … on Network and …, 2013 - ieeexplore.ieee.org
… This simultaneous node and link mapping optimization can be formulated as an un-splittable
flow problem [9], known to be NP-hard. In order to solve this problem, several approaches …

Virtual network embedding based on modified genetic algorithm

P Zhang, H Yao, M Li, Y Liu - Peer-to-Peer Networking and Applications, 2019 - Springer
Virtual network embedding is a process that consists of two stages … node mapping stage
and link mapping stage, the aim of node mapping stage is to map the virtual nodes from virtual

A novel optimal mapping algorithm with less computational complexity for virtual network embedding

H Cao, Y Zhu, G Zheng, L Yang - IEEE Transactions on Network …, 2017 - ieeexplore.ieee.org
… effectively and efficiently map multiple virtual networks (VNs), with individual virtual node
and link requests, onto the shared substrate networks with limited node and link resources. This …

VF2x: Fast, efficient virtual network mapping for real testbed workloads

Q Yin, T Roscoe - … and Research Infrastructure. Development of Networks …, 2012 - Springer
… requested network configurations. In this paper we present the VF2x virtual network mapping
… to virtual networks on a large testbed in a matter of seconds using commodity hardware. …

Virtual network embedding through topology-aware node ranking

X Cheng, S Su, Z Zhang, H Wang, F Yang… - ACM SIGCOMM …, 2011 - dl.acm.org
… , and link mapping requires sufficient link resource on both of … ]) perform node mappings and
link mappings at two different … virtual links to the substrate links between the mapped virtual

A sub-graph mapping-based algorithm for virtual network allocation over flexible grid networks

A González, E Barra, A Beghelli… - … Optical Networks  …, 2015 - ieeexplore.ieee.org
… two virtual nodes already mapped in distant physical locations. In this paper, we propose a
new virtual network … in [5] by mapping directly connected virtual nodes as close as possible to …