Robust optimization model for primary and backup resource allocation in cloud providers

F He, T Sato, BC Chatterjee, T Kurimoto… - … on Cloud Computing, 2021 - ieeexplore.ieee.org
This article proposes a primary and backup resource allocation model that provides a
probabilistic protection guarantee for virtual machines against multiple failures of physical …

Towards reliability-enhanced, delay-guaranteed dynamic network slicing: A multi-agent DQN approach with an action space reduction strategy

W Wang, L Tang, T Liu, X He, C Liang… - IEEE Internet of Things …, 2023 - ieeexplore.ieee.org
Network availability and service continuity are major concerns for network operators to
provide reliable communication services for Internet of Things (IoT), which are particularly …

Comparison of placement variants of virtual network functions from availability and reliability perspective

P Mandal - IEEE Transactions on Network and Service …, 2022 - ieeexplore.ieee.org
The virtual network function (VNF) is a virtual machine with specific software. A set of related
VNFs can be represented as a network service (NS). The placement of all the VNFs of an NS …

Backup allocation model with probabilistic protection for virtual networks against multiple facility node failures

F He, E Oki - IEEE Transactions on Network and Service …, 2021 - ieeexplore.ieee.org
This paper proposes a backup computing and transmission resource allocation model for
virtual networks with providing a probabilistic protection against multiple facility node …

Unavailability-aware allocation of backup resources considering failures of virtual and physical machines

N Kita, E Oki - Computer Networks, 2024 - Elsevier
Cloud service providers widely use virtual machines and bring various benefits for
customers and themselves. The unavailability of virtual machines is a crucial performance …

Preventive priority setting against multiple controller failures in software defined networks

F He, E Oki - IEEE Transactions on Parallel and Distributed …, 2023 - ieeexplore.ieee.org
This paper proposes a preventive priority setting model to minimize the worst-case
maximum utilization ratio against multiple controller failures in software defined networks …

Resource allocation model against multiple failures with workload-dependent failure probability

M Zhu, F He, E Oki - IEEE Transactions on Network and Service …, 2021 - ieeexplore.ieee.org
Fault tolerance and load balancing are two key roles in resource allocation against failures.
This paper proposes a primary and backup resource allocation model with preventive …

Unavailability-aware backup allocation model based on two-stage shared protection for middleboxes

N Kita, F He, E Oki - IEEE Transactions on Network and Service …, 2023 - ieeexplore.ieee.org
Middleboxes work as software which runs on a general-purpose server by adopting network
function virtualization. The unavailability of middlebox is a key metric. The previous study …

Unavailability-aware backup allocation model for middleboxes with two-stage shared protection

K Nozomi, F He, E Oki - 2022 IEEE 8th International …, 2022 - ieeexplore.ieee.org
Middleboxes work as software which runs on a general-purpose server by adopting a
network function virtualization. The unavailability of middlebox is a key metric. The previous …

Towards resources optimization in deploying service function chains with shared protection

D Zheng, H Fang, S Cao, Y Zhong, X Cao - Computer Networks, 2024 - Elsevier
Emerging artificial intelligence techniques enable the Internet-connected devices
automatically generate massive SFC requests in scenarios with ultra-reliability demands …