Computer
Future Generation Computer Systems
Improved Approximation Algorithms for Unsplittable Flow Problems
FOCS '97 Proceedings of the 38th Annual Symposium on Foundations of Computer Science
Approximation algorithms for disjoint paths problems
Approximation algorithms for disjoint paths problems
Routing, Flow, and Capacity Design in Communication and Computer Networks
Routing, Flow, and Capacity Design in Communication and Computer Networks
Ant colony optimization theory: a survey
Theoretical Computer Science
Rethinking virtual network embedding: substrate support for path splitting and migration
ACM SIGCOMM Computer Communication Review
HPCC '08 Proceedings of the 2008 10th IEEE International Conference on High Performance Computing and Communications
A break in the clouds: towards a cloud definition
ACM SIGCOMM Computer Communication Review
vManage: loosely coupled platform and virtualization management in data centers
ICAC '09 Proceedings of the 6th international conference on Autonomic computing
A virtual network mapping algorithm based on subgraph isomorphism detection
Proceedings of the 1st ACM workshop on Virtualized infrastructure systems and architectures
Communications of the ACM
Towards trusted cloud computing
HotCloud'09 Proceedings of the 2009 conference on Hot topics in cloud computing
SecondNet: a data center network virtualization architecture with bandwidth guarantees
Proceedings of the 6th International COnference
Virtual network provisioning across multiple substrate networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Minimum congestion mapping in a cloud
Proceedings of the 30th annual ACM SIGACT-SIGOPS symposium on Principles of distributed computing
Topology-awareness and reoptimization mechanism for virtual network embedding
NETWORKING'10 Proceedings of the 9th IFIP TC 6 international conference on Networking
Virtual network embedding through topology awareness and optimization
Computer Networks: The International Journal of Computer and Telecommunications Networking
ViNEYard: virtual network embedding algorithms with coordinated node and link mapping
IEEE/ACM Transactions on Networking (TON)
Competitive and deterministic embeddings of virtual networks
ICDCN'12 Proceedings of the 13th international conference on Distributed Computing and Networking
Customer-oriented GMPLS service management and resilience differentiation
IEEE Transactions on Network and Service Management
Service overlay network capacity adaptation for profit maximization
IEEE Transactions on Network and Service Management
IEEE Computational Intelligence Magazine
Optimizing Long-Lived CloudNets with Migrations
UCC '12 Proceedings of the 2012 IEEE/ACM Fifth International Conference on Utility and Cloud Computing
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Cloud computing is a promising paradigm which has emerged to overcome the main issues of the computational world. It acts as a torchbearer technology for realising a new computing model in which resources can be acquired and released on demand. However, a fundamental issue in the instantiation of resources is how to afford optimal allocation so that the service provider fulfils the users' service level agreement while minimising its operational cost and maximising its revenue. In this paper, we tackle the problem of networking static service provisioning within the Cloud's private backbone network. This requires the embedding of virtual networks in which edge routers are directly connected to data centres. Our objective is to map online virtual networks in the private substrate backbone network using the minimum physical resources but while still satisfying the required QoS in terms of bandwidth, processing power and memory. This in turn minimises the reject rate of requests and maximises returns for the substrate network provider. Since the virtual network embedding problem is NP-hard, we propound a new scalable embedding strategy named VNE-AC to deal with its computational hardness. This is based on the Ant Colony metaheuristic. Extensive simulations are used to evaluate the performances of our proposal. These show that VNE-AC minimises the reject rate of virtual networks and enhances the cloud provider's revenue.