Joint balancing of IT and spectrum resources for selecting virtualized network function in inter-datacenter elastic optical networks

Y Li, Y Zhao, B Li, X Yu, H Yang, X Wang, J Zhang - Optics express, 2019 - opg.optica.org
With network functions decoupled from specific hardware, network function virtualization
(NFV) is a promising technology to accelerate service provisioning in datacenter (DC) …

Joint IT and spectrum resource load balancing for VNF selection in inter-datacenter elastic optical networks

B Li, X Yu, Y Zhao, Y Li, Q Ou, Z Liu… - 2017 16th …, 2017 - ieeexplore.ieee.org
The selection of virtualized network functions (VNFs) in service provisioning is a critical
issue in inter-datacenter elastic optical networks. In this paper, considering load balancing of …

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 …

Resource balanced service chaining in NFV-enabled inter-datacenter elastic optical networks

A Khatiri, G Mirjalily - 2020 12th International Conference on …, 2020 - ieeexplore.ieee.org
Recently, Network Function Virtualization (NFV) as a promising technology has attracted
great interest of the academia as well as industry. Most of the service providers are planning …

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 …

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 …

A cost-efficient, load-balanced and fragmentation-aware approach for deployment of VNF service chains in Elastic Optical Networks

A Khatiri, G Mirjalily - Computer Communications, 2022 - Elsevier
Abstract By emerging Network Function Virtualization (NFV), service providers use VNFs
(Virtual Network Functions) and VNF service chain (VNF-SC) as an agile, scalable, and cost …

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 …

Energy-efficient graph reinforced vNFC deployment in elastic optical inter-DC networks

R Zhu, W Zhang, P Wang, J Chen… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
With the rapid development of information and communication technology (ICT), the demand
for flexible and cost-effective network services (NSs) is growing exponentially. Network …