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With the widespread adoption of edge computing and the rollout of 5G technology, the edge network is experiencing rapid growth. Edge computing enables the execution of certain computational tasks on edge devices, fostering more efficient resource ...

• Edge networks topology abstracts gateways, cloud servers interconnected, forming distributed architecture.
• Multi-agent DRL SFC migration perceives the environment in real-time to enable seamless SFC migration.
• We designed a ...

Network Functions Virtualization (NFV) and Software-Defined Networks (SDN) empower IT professionals and service providers to strategically deploy Virtual Network Functions (VNFs), resulting in enhanced services and security while minimizing ...

The network function virtualization (NFV) paradigm is rapidly being adopted by enterprises and service providers as an alternative to proprietary hardware. It enables virtual network functions (VNFs) to be embedded on commercial edge servers for ...

Through the integration of Network Function Virtualization (NFV), Software-Defined Networks, cloud service providers can realize cost reduction, performance enhancement, and support for advanced application scenarios. Within this framework, ...

New technologies such as virtualization and Software Defined Networking (SDN) have given traditional networks unprecedented flexibility. A Service Function Chain (SFC) formed by concatenating multiple Virtual Network Functions (VNFs) expands ...

The emerging computing power network (CPN) is believed to undergo the paradigm reformation of network function virtualization (NFV) and service function chaining (SFC). It is prerequisite to explore the performance upper bound of NFV-assisted CPN ...

• DT facilitates the real-time information exchange between physical objects and digital replicas.
• MADDPG-based method allows the centralized training and decentralized execution.
• Prioritized experience replay exploits the importance ...

Network function virtualization (NFV) is a contemporary network architecture concept that integrates complex network functions into software-based virtual network functions (VNFs) instead of specialized hardware. Resource allocation for multiple ...

In Ultrareliable and Low Latency Communications (URLLC), balancing trade-offs between energy consumption, service availability, and strict reliability and latency requirements is a significant challenge, especially in unmanned aerial vehicle (UAV)-...

With the improvement of service delay and quality requirements for new applications such as unmanned driving, internet of vehicles, and virtual reality, the deployment of network services is gradually moving from the cloud to the edge. This ...

The massive growth of live streaming, especially gaming-focused content, has led to an overall increase in global bandwidth consumption. Certain services see their quality diminished at times of peak consumption, degrading the quality of the ...

Being a novel network architecture, the Space-air-ground integrated network (SAGIN) offers advantages such as extensive network coverage and seamless ubiquitous access. However, it also encounters the challenge of balancing a growing user demand ...

• Our SFC scheme aggregates VNFs to reduce mapping costs and meet QoS requirements.
• We approach the SFC mapping problem as a MILP, aiming to minimize costs and delays.
• Our algorithm integrates VNFs via function aggregation, improving ...

Network Function Virtualization (NFV) and Service Function Chaining (SFC) have created a new, flexible, and cost-efficient way of network service offering. Thus, Service (SPs) and Infrastructure Providers (InPs) are updating their product ...

In the context of Network Function Virtualization (NFV), Network Services (NS) are realized by interconnecting Virtual Network Functions (VNF) using Virtual Links (VL). Service dependability is an important characteristic of NSs. Service ...

Network Function Virtualization (NFV) decouples network functions from dedicated hardware devices into Virtual Network Functions (VNFs). These VNFs are chained in order as a Service Function Chain (SFC) to provision flexible and efficient ...

Service chaining provides network services to users by processing packets with a series of virtualized network functions (VNFs). Multicast communication can suppress the network load compared to unicast communication when the same service is ...

This paper investigates the dynamic deployment of the 5G core network user plane functions (UPFs) in the edge network under time-varying traffic conditions. The objective is to minimize the total cost, including energy consumption, user plane ...

Considering the heterogeneity of computing and networking resources in the edge environment, this paper designs a service chain deployment system based on software-defined network and network function virtualization. It adopts a low-coupling layered ...

Network function virtualization (NFV) is a rapidly growing technology that permits network operators to issue their virtualized network functions (VNFs) with cheaper commodity servers. There are various VNFs, namely firewalls, switches, and ...

Building, managing, upgrading, and diagnosing networks becomes increasingly difficult due to the increased complexity in protocol design, enlarged network scale, rapidly-growing types of network applications, and the uncertainty of network faults ...

With the development of cloud computing, more and more enterprises and organizations are migrating their businesses to the cloud for resource sharing, cost reduction, and improved operational efficiency. Infrastructure as a Service (IaaS) is an important ...