Results 61 to 70 of about 13,837 (195)

High Infection Risk Among Health Care Workers During the First SARS‐CoV‐2 Wave in Niamey, Niger

Influenza and Other Respiratory Viruses, Volume 19, Issue 10, October 2025.
ABSTRACT Background In 2020, the new pathogen SARS‐CoV‐2 spread fast, causing a pandemic. Health care workers on the frontline were of course highly exposed. This study aims to analyze the risk factors of SARS‐CoV‐2 infection in HCWs who have been in contact with positive patients in Niger.
Hamidou Lazoumar Ramatoulaye, Aliou Sanda Abdal‐Kader, Adamou Lagare, Mahamadou Almahamoudou Maiga, Fakani Aboutalib Aliane, François Comlan Aida Sylviane, Idi Issa, Bibata Abdou Sidikou, Garda Idé Oumarou, Ali Sidiki, Zeinabou Abdou Aouta, Amina Moussa, Zeinabou Dioffo Alassan, Ibrahim Karidio, Goni Alhassan Maman Bachir, Issifou Djibo, Salia Moussa, Ibrahim Maman Laminou, Ronan Jambou, Vincent Richard   +19 more
wiley   +1 more source

Queue-Aware Dynamic Placement of Virtual Network Functions in 5G Access Network

IEEE Access, 2018
With the development of network function virtualization technology, virtual network functions (VNFs) can be chained to provide different services for users in fifth generation access networks. Under the condition of a large number of various user service
Lun Tang, Heng Yang, Runlin Ma, Lin Hu, Wei Wang, Qianbin Chen   +5 more
doaj   +1 more source

Non‐implementation as a driver of circular economy evolution: A Luhmannian systems‐theoretical perspective

Journal of Industrial Ecology, Volume 29, Issue 5, Page 1461-1472, October 2025.
Abstract The circular economy (CE) has emerged as a transformative paradigm for addressing the intertwined crises of environmental degradation and resource scarcity, grounded in the moral principles of intergenerational equity, environmental sustainability, and shared responsibility.
Vladislav Valentinov, Felix Carl Schultz
wiley   +1 more source

An improved resource allocation method for mapping service function chains based on A3C

IET Communications
Network function virtualization (NFV) technology deploys network functions as software functions on a generalised hardware platform and provides customised network services in the form of service function chain (SFC), which improves the flexibility and ...
Wanwei Huang, Haobin Tian, Xiaohui Zhang, Min Huang, Song Li, Yuhua Li   +5 more
doaj   +1 more source

Security-Aware Service Function Chaining and Embedding With Asymmetric Dedicated Protection

IEEE Access
In the 5G and beyond 5G networks, achieving security-aware data transmission needs to convert clients ’ requests into a service function chain (SFC), each service function (SF) providing a certain security guarantee.
Ben Wang, Jun Li, Shaohua Cao, Evrim Guler, Danyang Zheng   +4 more
doaj   +1 more source

A Tiered Control Plane Model for Service Function Chaining Isolation

Future Internet, 2018
This article presents an architecture for encryption automation in interconnected Network Function Virtualization (NFV) domains. Current NFV implementations are designed for deployment within trusted domains, where overlay networks with static trusted ...
Håkon Gunleifsen, Vasileios Gkioulos, Thomas Kemmerich   +2 more
doaj   +1 more source

VNF Placement for Service Function Chains with Strong Low-Delay Restrictions in Edge Computing Networks

Applied Sciences, 2020
The edge computing paradigm, allowing the location of network services close to end users, defines new network scenarios. One of them considers the existence of micro data centers, with reduced resources but located closer to service requesters, to ...
Pilar Manzanares-Lopez, Juan Pedro Muñoz-Gea, Josemaria Malgosa-Sanahuja   +2 more
doaj   +1 more source

Exploring the Discrepancies in the Biological Activities of Extracts From Guadua angustifolia Var. Bicolor Londoño Collected in Two Different Sites

Chemistry &Biodiversity, Volume 22, Issue 9, September 2025.
ABSTRACT Guadua angustifolia var. bicolor Lodoño is a Colombian bamboo species that has shown promising medicinal properties. This study aims to investigate the differences in the chemical composition and biological activity of extracts from two different populations of G. angustifolia var. bicolor, collected in Bauru and Tatuí, Brazil.
João Kazlauckas, Maria Tereza Grombone Guaratini, Paulo Roberto H. Moreno   +2 more
wiley   +1 more source

Towards Resource-Efficient Service Function Chain Deployment in Cloud-Fog Computing

IEEE Access, 2018
Most studies on network function virtualization are based on cloud computing environments. Fog computing has been proposed as a supplement to cloud computing.
Dongcheng Zhao, Dan Liao, Gang Sun, Shizhong Xu   +3 more
doaj   +1 more source

Mini-SFC: A Comprehensive Simulation Framework for Orchestration and Management of Service Function Chains

In the continuously evolving cloud computing and network environment, service function chain (SFC) plays a crucial role in implementing complex services in the network with its flexible deployment capabilities. To address the limitations of existing SFC simulation tools, this paper introduces Mini-SFC, a modular simulation framework that supports both ...
Wang, Xi, Shi, Shuo, Wu, Chenyu
openaire   +2 more sources