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Дисертації з теми "Service Function Chain Placement"

Автор: Grafiati

Опубліковано: 11 березня 2023

Оновлено: 25 липня 2025

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1

Behravesh, Rasoul <1988&gt. "Life-cycle management and placement of service function chains in MEC-enabled 5G networks." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amsdottorato.unibo.it/9732/1/Thesis.pdf.

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Анотація:

Recent advancements in mobile communication technology have led to the fifth generation of mobile cellular networks (5G), driven by the proliferation in data traffic demand, stringent latency requirements, and the desire for a fully connected world. This transformation calls for novel technology solutions such as Multi-access Edge Computing (MEC) and Network Function Virtualization (NFV) to satisfy service requirements while providing dynamic and instant service deployment. MEC and NFV are two principal and complementary enablers for 5G networks whose co-existence can lead to numerous benefits

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2

Subramanya, Tejas. "Autonomic Management and Orchestration Strategies in MEC-Enabled 5G Networks." Doctoral thesis, Università degli studi di Trento, 2021. http://hdl.handle.net/11572/320883.

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5G and beyond mobile network technology promises to deliver unprecedented ultra-low latency and high data rates, paving the way for many novel applications and services. Network Function Virtualization (NFV) and Multi-access Edge Computing (MEC) are two technologies expected to play a vital role in achieving ambitious Quality of Service requirements of such applications. While NFV provides flexibility by enabling network functions to be dynamically deployed and inter-connected to realize Service Function Chains (SFC), MEC brings the computing capability to the mobile network's edges, thus redu

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3

Ikhelef, Issam Abdeldjalil. "Optimisation de placement et chainage de fonctions réseaux selon le paradigme SDN/NFV." Electronic Thesis or Diss., Paris 13, 2024. http://www.theses.fr/2024PA131002.

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Анотація:

Actuellement, le secteur des réseaux connaît un intérêt croissant pour deux technologies majeures : la virtualisation des fonctions réseau (NFV) et les réseaux définis par logiciel (SDN). NFV et SDN offrent des approches novatrices en matière de gestion des réseaux, en apportant une grande flexibilité et programmabilité. Le réseau défini par logiciel(SDN) révolutionne la gestion des réseaux en dissociant le plan de contrôle du plan de données. Cette séparation de plans permet un contrôle centralisé et programmable, remplaçant le contrôle traditionnel basé sur le matériel physique par un contrô

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4

Alleg, Abdelhamid. "Service Function Placement and Chaining in Network Function Virtualization Environments." Thesis, Bordeaux, 2019. http://www.theses.fr/2019BORD0117.

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L'émergence de la technologie de virtualisation des fonctions réseau (NFV) a suscité un vif intérêt autour de la conception, la gestion et le déploiement de services réseau de manière flexible, automatisée et indépendante du fournisseur. La mise en œuvre de la technologie NFV devrait être une solution profitable pour les fournisseurs de services et les clients. Cependant, ce changement de paradigme, amorcé par NFV, nécessite un abandon progressif des services réseau fournis à travers des équipements dédiés. En contrepartie, un environnement totalement ou partiellement virtualisé est proposé po

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5

Taghavian, Masoud. "VNF placement in 5G Networks using AI/ML." Electronic Thesis or Diss., Ecole nationale supérieure Mines-Télécom Atlantique Bretagne Pays de la Loire, 2024. http://www.theses.fr/2024IMTA0421.

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Анотація:

La transition inévitable des dispositifs matériels physiques vers des modules logiciels légers et réutilisables dans le cadre de la virtualisation des fonctions de réseau (NFV) offre d’innombrables possibilités tout en présentant plusieurs défis sans précédent. La satisfaction des attentes de la NFV dans les réseaux post-5G dépend fortement du placement efficace des services de réseau.L’allocation dynamique des ressources physiques pour les demandes de services en ligne exigeant des ressources hétérogènes selon des exigences de qualité de service spécifiques représente l’une des étapes les plu

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6

Luizelli, Marcelo Caggiani. "Scalable cost-efficient placement and chaining of virtual network functions." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/169337.

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A Virtualização de Funções de Rede (NFV – Network Function Virtualization) é um novo conceito arquitetural que está remodelando a operação de funções de rede (e.g., firewall, gateways e proxies). O conceito principal de NFV consiste em desacoplar a lógica de funções de rede dos dispositivos de hardware especializados e, desta forma, permite a execução de imagens de software sobre hardware de prateleira (COTS – Commercial Off-The-Shelf). NFV tem o potencial para tornar a operação das funções de rede mais flexíveis e econômicas, primordiais em ambientes onde o número de funções implantadas pode

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7

Visser, Riaan. "Operational-cost optimisation and cost management in the sourcing and supply chain : a conceptual framework for a medium-sized service company without a central procurement function." Thesis, Stellenbosch : Stellenbosch University, 2008. http://hdl.handle.net/10019.1/997.

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Thesis (MBA (Business Management))--Stellenbosch University, 2009.<br>ENGLISH ABSTRACT: A typical medium-sized service company in South Africa faces definite challenges and misses opportunities in optimising and managing its operational expenses in its sourcing and supply chain. Medium-sized companies generally do not have the benefit of sophisticated in-house procurement divisions and extensive buying power but they still have to optimise their expenses in order to ensure maximum profitability and business longevity. The study addresses these challenges and opportunities by developing an

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8

WANG, YUN, and 王云. "Adaptive Placement and Routing for Service Function Chains with Deadlines in Software-Defined Networks." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/8zw594.

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碩士<br>國立臺灣科技大學<br>資訊工程系<br>106<br>Software-defined network(SDN) is shifting data communication in network toward more centralized control. The controller manages all necessary information and decides the transit path through commands. Middleboxes such as firewalls, decryptors, load balancers, etc., are functional hardware devices that are　indispensable in the cloud　and in corporate networks, but are expensive and difficult to maintain. The availability of virtual machines enables dynamic placement of virtual network functions(VNFs) on demand, it can reduce a large number of manual configurati

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9

Hsiao, Chung-Che, and 蕭崇哲. "Placement of Virtual Network Functions Using the Relation of Virtual Network Functions in Service Chains." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/87018831856926973824.

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碩士<br>國立清華大學<br>資訊工程學系<br>104<br>Network function virtualization (NFV) has changed the traditional usage of network functions from hardware appliances to software implementation. Placement of virtual network functions (VNFs) has become a fundamental problem in NFV. In this study, relation in VNFs, including dependency and changes of flow size, would be important factors in placement of VNFs onto virtual machines on servers. Metric embedding is adopted to combine the relation of VNFs and virtual machines on network servers. The structures shown in service chains are seized by embedding algorith

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10

Hsieh, Cheng-Husan, and 謝政軒. "Network-aware Service Function Chaining Placement in a Data Center." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/48fqrc.

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碩士<br>國立交通大學<br>網路工程研究所<br>104<br>Network function virtualization (NFV) has drawn much attention in recent years; some network functions used to be deployed on the specific hardware have become virtualized instances on general servers to achieve more scalability and flexibility. In data center, service function chaining (SFC) makes different workflow traverse different network functions in a specific ordering to provide different levels of the service for its customer. Since the distance between any adjacent network functions in a service chain will decide the total bandwidth consumption for t

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11

Shuo-San, Shih, and 史碩三. "A Service Function Cloud Platform with Hybrid NFV Environment Placement Strategy." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/3344vd.

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碩士<br>國立中央大學<br>資訊工程學系<br>105<br>In recent years, the network functions virtualization (NFV) was proposed to separate network functions from the underlying hardware to provide value-added service functions with software. The concept of service function chain (SFC) architecture has also been proposed, which allow traffic pass through some value-added network functions between end-to-end services. The placement of the service functions in data centers significantly affects the performance of SFC. We study the service function placement problem in hybrid NFV environment, which is an alternative p

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12

Chou, Hsin-Yao, and 周新堯. "SDN-based Network Resource Management with Service Function Chain." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/qrnak9.

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碩士<br>國立中央大學<br>資訊工程學系<br>103<br>In recent years, as growth of the cloud computing technology, more demand for network resources allocation and management of value-added services are appeared. The new concept of network service architecture, Service Function Chain (SFC), has been proposed. The specification of various vendor equipments is unique, prompts the traditional network to change. The purpose of Software-Defined Network (SDN) is to change the physical, complex network into a virtual, programmable and open network architecture. OpenFlow protocol is the most common technology for SDN arc

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13

HUNG, CHONG-YOU, and 洪崇祐. "Performance Study of Service Function Chain with SGX-based Containers." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/76jxz9.

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碩士<br>國立中正大學<br>資訊工程研究所<br>107<br>Network function virtualization (NFV) is a new architecture that implements network functions in a virtialized environment. However, the platform for deploying network functions may be insecure. To eliminate the threat, network functions can be deployed with a trusted execution environment (TEE) mechanism such as Intel Software Guard Extension (SGX) in a secure region called enclave. In existing studies, all the network functions in a service chain are deployed in one enclave, but the enclave size is limited (up to 128MB in our investigation). In addition, the

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14

WANG, YU-REN, and 王昱人. "A load balance scheme by using service function chain of Opendaylight." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/swzujw.

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碩士<br>國立宜蘭大學<br>資訊工程學系碩士班<br>105<br>In recent years, mobile communication technology continues to explode the progress of the relative, the network management costs are growing, because the network needs to configure a lot of settings, such as: Route, VLAN (Virtual Local Area Network), QoS (Quality Of Service), STP (Spanning Tree Protocol) and LACP (Link Aggregation Control Protocol), etc., in a large network, because the traditional network of each node settings are rigid configuration, there is no way to achieve the global vision , Resulting in network administrators from time to time need t

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15

Silvestro, Alessio. "Architectural Support for Implementing Service Function Chains in the Internet." Doctoral thesis, 2018. http://hdl.handle.net/11858/00-1735-0000-002E-E5B4-7.

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16

Tseng, Huai-En, and 曾懷恩. "The Low Latency Service Function Chain with SR-I/OV in Software Defined Network." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/362zzr.

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碩士<br>國立臺灣科技大學<br>資訊工程系<br>106<br>Due to swift Internet technology and computer hardware development in recent years, the demands of network functions are rising. Compared to hardware-based network services, it is faster and more flexible to virtualize the network services and a flows may be processed by multiple network services as a Service Function Chain (SFC). Using Software Defined Network (SDN) is highly popular in the world because it can reduce deployment cost and time. However, the performance of Network Function Virtualiza- tion will be troubled by some congenital drawbacks. For inst

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17

Chang, Ching-Ming, and 張景銘. "Using Quality Function Deployment into Study The Service Quality of Chain Stores– A Case Study of President Chain Store Corporation." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/96828805431448584685.

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碩士<br>大葉大學<br>事業經營研究所碩士在職專班<br>96<br>This research as 7-11 as research object, take advantage of Quality Function Deployment systematize inquire into 7-11 quality of service and quality of technology, questionnaire survey object as go pass 7-11 do shop consumer. Research framework refer PZB quality of service's mode, and refer Dabbolkar(1996) bring up de quality of service's measuring watch Retail Service Quality Scale(RSQS) come up to relative to document, again depend on chain stores characteristic, increase or curtail ask, analyze as questionaire project. Finding by SPSS calculate behind, a

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18

Feng, Chih-Chun, and 馮志鈞. "The Study on the Function Needs of Order Self Service for Chain Fast Food Restaurants." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/87630468046944851537.

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碩士<br>輔仁大學<br>資訊管理學系<br>101<br>The purpose of this study is to understand the consumers’ acceptance over self-order service and the key function needs. Hopefully the result of this study would furnish the chain fast food restaurants with a good reference regarding to offering self-service. Based on Technology Acceptance Model (TAM), Direct Benefit and Deferred Benefit are adopted as external variables for Perceived Usefulness and User Interface and Information Content are adopted as external variables for Perceived Ease of Use. Totally 130 responses were collected via an internet based quest

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19

Hsieh, Shun-Yu, and 謝舜宇. "Study of Service Function Chain Resource Management in Cloud Platform based on SDN and NFV." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/un5ehs.

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碩士<br>國立中央大學<br>資訊工程學系<br>105<br>近年來雲端計算的技術興起，越來越多的服務功能被開發出來，因此有了新的網路服務技術出現，服務功能鏈（Service Function Chain），有了這個技術，就可以佈署更加彈性的服務功能，不必限制於實體場景。軟體定義網路（Software Defined Network），為集中式的網路架構，目的將網路管理變得更加彈性且可程式化，減輕網路管理員的負擔。網路功能虛擬化（Network Function Virtualization）把原本需要特定硬體的網路功能分離出來，用軟體的方式實作，網路功能不再受限於硬體設備商。由於如何達成服務功能鏈的方式尚未成為標準，本論文結合軟體定義網路以及網路功能虛擬化這兩個技術實作出服務功能鏈平台。本論文除了實作出管理平台還提出了資源管理的方式，有負責high availability的share和recovery機制，有負責提升服務功能使用率的merge機制，以及相對應產生的separate機制，還有應付大量流量的auto-scaling機制scale up和scale down機制。並提出一個演算法STSFCM（Stable Time Service Function Chain Management）用來決定上述六項機制要在何時啟動，在auto-scaling的部分加上時間的因素

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20

Shih-Yuan, Wang, and 王士元. "Research of Quality Function Deployment for Practical Application - A Case Study of Service Quality of A Chain Convenient Store in North Region." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/34342135288492194527.

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碩士<br>國立臺灣科技大學<br>管理技術研究所<br>86<br>Under the competitive situation on chain convenient stores, understanding and satisfying customer''s requirements is the key point to win the consumption of the market among the enterprises. However, making use of finite resources to obtain the greatest customer satisfaction needs much effort to take research. This research adopts quality function deployment (QFD) to help the enterprises find the most effective service quality improvement strategy and provide an objective method to evaluate. It makes customer requirements and quality improvement skills combin

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21

El-Khatib, Mayar. "Highway Development Decision-Making Under Uncertainty: Analysis, Critique and Advancement." Thesis, 2010. http://hdl.handle.net/10012/5741.

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While decision-making under uncertainty is a major universal problem, its implications in the field of transportation systems are especially enormous; where the benefits of right decisions are tremendous, the consequences of wrong ones are potentially disastrous. In the realm of highway systems, decisions related to the highway configuration (number of lanes, right of way, etc.) need to incorporate both the traffic demand and land price uncertainties. In the literature, these uncertainties have generally been modeled using the Geometric Brownian Motion (GBM) process, which has been used extens

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