On the Dynamic Replacement of Virtual Service Resources for Mobile Users in Virtual Networks

Myoupo, Jean Frédéric; Tchendji, Vianney Kengne; Yankam, Yannick Florian

doi:10.17706/jcp.15.1.10-21

Cited by 4 publications

(5 citation statements)

References 9 publications

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“…To achieve this, other servers in the relevant domain are usually involved. To this end, [5][6][7] proposed, in a virtualized environment supervised by a controller, a server replacement scheme, which replace a congested server to another with more available resources. But this approach requires migrating a lot of data, which overloads the links during migration.…”

Section: Data Planementioning

confidence: 99%

“…Such policy biases light services against heavy ones. Server replacement [5][6][7] solves this problem with a migration of the hosted service to another server with more resources, thereby enhancing the processing ability of the congested server. Thus, all requests related to different services can be quickly processed, regardless of the task's granularity.…”

Section: State Of the Artmentioning

confidence: 99%

See 1 more Smart Citation

WoS-CoMS: Work Stealing-Based Congestion Management Scheme for SDN Programmable Networks

Yankam,

Tchendji,

Myoupo

2024

J Netw Syst Manage

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In recent years, the SDN (Software-Defined Networking) paradigm emerged as an easy way to manage large-scale network infrastructures through programmability brought out and its control plane/data plane decoupling logic. This enables infrastructure and service providers to have a global view of the network and track traffic flows from a remote controller. However, congestion control remains a concern due to the evolution of increasingly complex and resource-intensive user requirements (virtual reality, metaverse, Internet of Things (IoT), Artificial Intelligence (AI), Cloud, ...) on network infrastructures. This server state leads to high latency in request processing and data loss. This paper proposes in such controller-supervised environment, a congestion management scheme within network service servers to maintain acceptable quality of service. The strategy relies on work stealing to ensure better workload balancing. Simulations show that the proposed solution can reduce congestion load into the servers by up to 22%, depending on request grain size, within a shorter latency than other works in the literature. Moreover, the proposed solution allows stolen tasks to be completed within a shorter timeframe.

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Section: Data Planementioning

confidence: 99%

Section: State Of the Artmentioning

confidence: 99%

WoS-CoMS: Work Stealing-Based Congestion Management Scheme for SDN Programmable Networks

Yankam,

Tchendji,

Myoupo

2024

J Netw Syst Manage

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“…2 Horiuchi and Tachibana's method for a virtual service that just requires a single path to function in lieu of its actual infrastructure. To address the problems highlighted in [8], we had earlier presented [14] a tree-based topology replacement approach that included a data movement mechanism. To circumvent the issue of all leaf nodes having the same traffic weight, we suggested in [8] traversing the tree until reaching a level where the parent nodes have distinct traffic weights.…”

Section: Figmentioning

confidence: 99%

“…We suggested in [14] that decreasing the rate at which virtual service resources are swapped out might help decrease packet delay variance. In layman's terms, this helps postpone replacements that aren't strictly essential.…”

Section: Fig 3 How To Solve the Problem Of All Leaf Nodes Being Equal...mentioning

confidence: 99%

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Telecom Operators in Virtual Heterogeneous Networks May Benefit from Dynamic Resource Replacement for Virtual Services Based on Flow Splitting: FSB-DReViSeR

Gohatre,

Patil,

Chavan

2023

ITM Web Conf.

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Virtual networks provide their services by aggregating groups of virtual devices that use an existing physical network to interact with one another. These services, unlike the underlying network, often need a large number of distinct resources (bandwidth, processing power, servers, etc.) to operate. The adaptability of the virtual network architecture is what makes it so appealing. A server is required for each virtual service; hence computers are categorized as virtual service resources. It is common practice to either supply resources for the virtual network or replace the virtual service resource by migrating the service to another node that offers the most suitable number of resources to do so (QoS) when a given resource is unable to meet quality of service requirements due to traffic variation caused by mobile users. Our flow-splitting technique allows for the dynamic redistribution of virtual service resources across several virtual connections. We take a different approach than the prevalent tree-based approaches in the current body of literature by basing our method on graph topology instead. The simulation results from this study demonstrate that our solution drastically decreases the time needed to replace virtual service resources when compared to existing methods.

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FSB-DReViSeR: Flow Splitting-Based Dynamic Replacement of Virtual Service Resources for Mobile Users in Virtual Heterogeneous Networks

Myoupo

Tchendji

Yankam

et al. 2020

Journal of Computer Networks and Communications

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Virtual networks are sets of virtual devices that are interconnected through a physical network to provide services to end users. These services are usually heterogeneous (VOIP, VoD, streaming, etc.), exploit various amounts of resources (bandwidth, computing power, servers, etc.), and have topologies different from those of the substrate network. These variations in requirements are traditionally known as the architectural flexibility of virtual networks. Each virtual service is provided through a server called a virtual service resource. When a virtual service resource can no longer provide a good quality of service to end users due to the traffic variation generated by their mobility, two approaches are commonly implemented: provisioning the virtual network with resources or replacing the virtual service resource by migrating the service to another node that offers the most suitable amount of resource to satisfy the quality of service (QoS). In this paper, we propose a flow splitting-based dynamic virtual service resource replacement approach that allows for virtual service replacement across multiple virtual paths. Our approach is based on a graph topology that differs from those in the literature, which are based on tree topologies. The simulations performed in this study show that our approach significantly reduces the virtual service resource replacement time compared to other approaches.

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On the Dynamic Replacement of Virtual Service Resources for Mobile Users in Virtual Networks

Cited by 4 publications

References 9 publications

WoS-CoMS: Work Stealing-Based Congestion Management Scheme for SDN Programmable Networks

WoS-CoMS: Work Stealing-Based Congestion Management Scheme for SDN Programmable Networks

Telecom Operators in Virtual Heterogeneous Networks May Benefit from Dynamic Resource Replacement for Virtual Services Based on Flow Splitting: FSB-DReViSeR

FSB-DReViSeR: Flow Splitting-Based Dynamic Replacement of Virtual Service Resources for Mobile Users in Virtual Heterogeneous Networks

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