On incentive-driven VNF service chaining in inter-datacenter elastic optical networks: A hierarchical game-theoretic mechanism

X Chen, Z Zhu, R Proietti… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In this paper, we propose an incentive-driven virtual network function service chaining (VNF-
SC) framework for optimizing the cross-stratum resource provisioning in multi-broker …

Leveraging mixed-strategy gaming to realize incentive-driven VNF service chain provisioning in broker-based elastic optical inter-datacenter networks

X Chen, Z Zhu, J Guo, S Kang, R Proietti… - Journal of Optical …, 2018 - ieeexplore.ieee.org
This paper investigates the problem of how to optimize the provisioning of virtual network
function service chains (VNF-SCs) in elastic optical inter-datacenter networks (EO-IDCNs) …

Profit maximization of online service function chain orchestration in an inter-datacenter elastic optical network

H Yu, Z Chen, G Sun, X Du… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
To meet the increasing traffic demands characterized by large bandwidth and high
burstiness, more traffic has been moving to inter-datacenter elastic optical networks (inter …

Balanced resource allocation for VNF service chain provisioning in inter-datacenter elastic optical networks

A Khatiri, G Mirjalily, ZQ Luo - Computer Networks, 2022 - Elsevier
Abstract Network Function Virtualization (NFV) is a novel technology that enables flexible
and cost-effective network services by replacing the hardware-based middleboxes with …

Joint spectrum and IT resource allocation for efficient vNF service chaining in inter-datacenter elastic optical networks

W Fang, M Zeng, X Liu, W Lu… - IEEE Communications …, 2016 - ieeexplore.ieee.org
We study how to allocate spectrum and IT resources jointly for realizing efficient virtual
network function (VNF) service chaining in inter-datacenter elastic optical networks. We first …

Deep-learning-assisted network orchestration for on-demand and cost-effective vNF service chaining in inter-DC elastic optical networks

B Li, W Lu, S Liu, Z Zhu - Journal of Optical Communications and …, 2018 - opg.optica.org
This work addresses the relatively long setup latency and complicated network control and
management caused by on-demand virtual network function service chain (vNF-SC) …

Deep reinforcement learning for provisioning virtualized network function in inter-datacenter elastic optical networks

M Zhu, Q Chen, J Gu, P Gu - IEEE Transactions on Network and …, 2022 - ieeexplore.ieee.org
In today's datacenters (DCs), IT resources virtualization is leveraged to realize Network
Function Virtualization (NFV) over general-purpose servers. Meanwhile, most of the service …

Delay-aware and resource-efficient service function chain mapping in inter-datacenter elastic optical networks

M Zhu, J Gu, T Shen, J Zhang, P Gu - Journal of Optical …, 2022 - opg.optica.org
Network function virtualization (NFV) is emerging as a promising paradigm for network
architectures. By migrating network functions from dedicated hardware appliances to …

Orchestrating multicast-oriented NFV trees in inter-DC elastic optical networks

M Zeng, W Fang, JJPC Rodrigues… - 2016 IEEE International …, 2016 - ieeexplore.ieee.org
It is known that by incorporating network function virtualization (NFV) in inter-datacenter
(inter-DC) networks, we can use the network resources more intelligently to deploy new …

GNN-based hierarchical deep reinforcement learning for NFV-oriented online resource orchestration in elastic optical DCIs

B Li, Z Zhu - Journal of Lightwave Technology, 2022 - opg.optica.org
Network function virtualization (NFV) in elastic optical datacenter interconnections (EO-
DCIs) enables flexible and timely deployment of network services. However, as the service …