Results 41 to 50 of about 2,854 (197)

A heterogeneous graph neural network assisted multi-agent reinforcement learning for parallel service function chain deployment

open access: yesJournal of King Saud University: Computer and Information Sciences
The deployment of parallel Service Function Chains (SFCs) in Network Function Virtualization (NFV) environments presents significant challenges in jointly optimizing Virtual Network Function (VNF) parallelization and placement decisions.
Yintan Ai   +3 more
doaj   +1 more source

Jointly Optimized Placement of Application VM and VNF in NFV Based Data Center

open access: yesIEEE Access
In data centers, applications are typically deployed in a distributed manner across servers via Virtual Machines (VMs). In order to enhance the application security and performance, the data flows between VMs often traverse a particular set of ...
Dandan Qi, Ruijun Gu
doaj   +1 more source

Joint Energy Efficient and QoS-aware Path Allocation and VNF Placement for Service Function Chaining

open access: yes, 2018
Service Function Chaining (SFC) allows the forwarding of a traffic flow along a chain of Virtual Network Functions (VNFs, e.g., IDS, firewall, and NAT).
Akbari, Behzad   +4 more
core   +1 more source

Complex Regulation of RETINOBLASTOMA‐RELATED's Interactions With E2Fs via Phosphorylation

open access: yesPlant, Cell &Environment, EarlyView.
ABSTRACT Arabidopsis RETINOBLASTOMA‐RELATED (RBR) regulates cell proliferation by interacting with E2F transcription factors and DIMERISATION PARTNER, RB‐LIKE, E2F AND MULTI‐VULVAL CLASS B COMPLEX (DREAM) components. Although CDK‐CYCD phosphorylation is believed to affect RBR's E2F‐binding capacity, the precise phosphorylation events inhibiting RBR's ...
Aladár Pettkó‐Szandtner   +10 more
wiley   +1 more source

Optimizing Resource Fragmentation in Virtual Network Function Placement Using Deep Reinforcement Learning

open access: yesIEEE Transactions on Machine Learning in Communications and Networking
In the 6G wireless era, the strategical deployment of Virtual Network Functions (VNFs) within a network infrastructure that optimizes resource utilization while fulfilling performance criteria is critical for successfully implementing the Network ...
Ramy Mohamed   +3 more
doaj   +1 more source

Virtual-Mobile-Core Placement for Metro Network

open access: yes, 2018
Traditional highly-centralized mobile core networks (e.g., Evolved Packet Core (EPC)) need to be constantly upgraded both in their network functions and backhaul links, to meet increasing traffic demands.
Gupta, Abhishek   +3 more
core   +1 more source

Coming out of the cold: Vanadium is an important player in N‐fixation in warm tropical environments

open access: yesEcology, Volume 107, Issue 4, April 2026.
Abstract Nitrogen (N)‐fixation is a crucial source of reactive N in terrestrial environments. The nitrogenase enzyme (Nase), responsible for this conversion, has three isoforms: molybdenum (Mo)‐, vanadium (V)‐, and iron (Fe)‐Nases. The Mo‐Nase is found in all N‐fixers, but the distribution pattern and drivers of V‐ and Fe‐Nases remain poorly understood.
Ana Fávaro   +4 more
wiley   +1 more source

An Availability-Enhanced Service Function Chain Placement Scheme in Network Function Virtualization

open access: yesJournal of Sensor and Actuator Networks, 2019
A service function chain (SFC) is an ordered virtual network function (VNF) chain for processing traffic flows to deliver end-to-end network services in a virtual networking environment.
Yansen Xu, Ved P. Kafle
doaj   +1 more source

GLP‐1 Receptor Agonists for the Prevention of New‐Onset Heart Failure: A Systematic Review and Meta‐Analysis of Placebo‐Controlled Randomized Clinical Trials

open access: yesObesity Reviews, Volume 27, Issue 4, April 2026.
ABSTRACT Introduction Glucagon‐like peptide‐1 receptor agonists (GLP‐1 RA) improve outcomes in heart failure (HF) with preserved ejection fraction. Whether GLP‐1 RA prevent new‐onset HF in Type 2 diabetes or obesity requires further investigation. Methods We performed an updated meta‐analysis of randomized placebo‐controlled trials (RCT) of treatment ...
João Sérgio Neves   +8 more
wiley   +1 more source

Distributed VNF Scaling in Large-scale Datacenters: An ADMM-based Approach

open access: yes, 2017
Network Functions Virtualization (NFV) is a promising network architecture where network functions are virtualized and decoupled from proprietary hardware.
Kellerer, Wolfgang   +3 more
core   +1 more source

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