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Dissertations / Theses on the topic 'Service Function Chains'

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Published: 6 September 2023

Last updated: 25 July 2025

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1

Gokan, Khan Michel. "Performance Modelling and Simulation of Service Chains for Telecom Clouds." Licentiate thesis, Karlstads universitet, Institutionen för matematik och datavetenskap (from 2013), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-83687.

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New services and ever increasing traffic volumes require the next generation of mobile networks, e.g. 5G, to be much more flexible and scalable. The primary enabler for its flexibility is transforming network functions from proprietary hardware to software using modern virtualization technologies, paving the way of virtual network functions (VNF). Such VNFs can then be flexibly deployed on cloud data centers while traffic is routed along a chain of VNFs through software-defined networks. However, such flexibility comes with a new challenge of allocating efficient computational resources to eac

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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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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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3

Farshin, Alireza. "Realizing Low-Latency Internet Services via Low-Level Optimization of NFV Service Chains : Every nanosecond counts!" Licentiate thesis, KTH, Network Systems Laboratory (NS Lab), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-249664.

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By virtue of the recent technological developments in cloud computing, more applications are deployed in a cloud. Among these modern cloud-based applications, some require bounded and predictable low-latency responses. However, the current cloud infrastructure is unsuitable as it cannot satisfy these requirements, due to many limitations in both hardware and software. This licentiate thesis describes attempts to reduce the latency of Internet services by carefully studying the currently available infrastructure, optimizing it, and improving its performance. The focus is to optimize the perform

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Hassan, Ahmed Mohamed Medhat Mohamed Ahmed [Verfasser], Thomas [Akademischer Betreuer] Magedanz, Thomas [Gutachter] Magedanz, Axel [Gutachter] Küpper, and Neco [Gutachter] Ventura. "Elastic and dynamic orchestration of service function chains for 5G networks / Ahmed Mohamed Medhat Mohamed Ahmed Hassan ; Gutachter: Thomas Magedanz, Axel Küpper, Neco Ventura ; Betreuer: Thomas Magedanz." Berlin : Technische Universität Berlin, 2017. http://d-nb.info/1156462711/34.

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Silvestro, Alessio [Verfasser], Xiaoming [Akademischer Betreuer] Fu, Xiaoming [Gutachter] Fu, et al. "Architectural Support for Implementing Service Function Chains in the Internet / Alessio Silvestro ; Gutachter: Xiaoming Fu, Jussi Kangasharju, Dieter Hogrefe, Fabian Schneider, Simon Pietro Romano, Mayutan Arumaithurai ; Betreuer: Xiaoming Fu." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2019. http://d-nb.info/1180026403/34.

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6

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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7

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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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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8

Abreu, Pollyanna Silva. "Desenvolvimento da voz do cliente no desdobramento da função qualidade (QFD) = aplicação em projetos de cadeira de rodas." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/264360.

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Orientador: Franco Giuseppe Dedini<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica<br>Made available in DSpace on 2018-08-17T05:45:09Z (GMT). No. of bitstreams: 1 Abreu_PollyannaSilva_M.pdf: 3581814 bytes, checksum: e1e25ece993ce9c23f6bbc11ec80b9f8 (MD5) Previous issue date: 2010<br>Resumo: Neste trabalho buscou-se a utilização de instrumentos, técnicas e procedimentos da Psicologia, para auxiliar a tradução das necessidades básicas de clientes em uma forma estruturada, para o levantamento da Voz do Cliente, a fim de auxiliar na aplicação do mé

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9

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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10

Tröger, Ralph. "Supply Chain Event Management – Bedarf, Systemarchitektur und Nutzen aus Perspektive fokaler Unternehmen der Modeindustrie." Doctoral thesis, Universitätsbibliothek Leipzig, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-155014.

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Supply Chain Event Management (SCEM) bezeichnet eine Teildisziplin des Supply Chain Management und ist für Unternehmen ein Ansatzpunkt, durch frühzeitige Reaktion auf kritische Ausnahmeereignisse in der Wertschöpfungskette Logistikleistung und -kosten zu optimieren. Durch Rahmenbedingungen wie bspw. globale Logistikstrukturen, eine hohe Artikelvielfalt und volatile Geschäftsbeziehungen zählt die Modeindustrie zu den Branchen, die für kritische Störereignisse besonders anfällig ist. In diesem Sinne untersucht die vorliegende Dissertation nach einer Beleuchtung der wesentlichen Grundlagen zunäch

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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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12

Lei, Tsung-Han, and 雷宗翰. "Deploying QoS-assured Service Function Chains with Stochastic Prediction Models on VNF Latency." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/29ckq2.

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碩士<br>國立交通大學<br>電機工程學系<br>105<br>Current Network Function Virtualization (NFV) with Virtualized Network Functions (VNFs) running as virtual machines on commodity servers enables flexibility to Service Function Chaining (SFC). Specific applications may require Quality of Service (QoS) on end-to-end latency. However, the processing delay and the queuing delay of VNFs varies with virtual resource configurations (vCPU and vMemory), as well as physical usage (traffic amount, CPU utilization). Moreover, packet delays are randomly distributed, instead of a fixed value. To accurately model the latency

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13

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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14

Kulkarni, Sameer G. "Resource Management for Efficient, Scalable and Resilient Network Function Chains." Doctoral thesis, 2018. http://hdl.handle.net/11858/00-1735-0000-002E-E477-8.

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15

Lakshmi, B. S. "A Hierarchical Control Plane Framework for Integrated SDN-SFC Management in Multi-tenant Cloud Datacenters." Thesis, 2020. https://etd.iisc.ac.in/handle/2005/4402.

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Cloud data centers represent one of the most complex and dynamic environments in terms of network management. The multitude of hosted applications in such centers share the same fabric and yet demand easy and fast service deployment and management of independent logical networks. Applications, often belonging to di erent tenants, have di erent needs in terms of performance, isolation, security, and tra c optimization based on which incoming and outgoing tra c is serviced. Traditionally, cloud service providers satisfy these requirements by means of purpose-built specialized hardware equi

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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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17

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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18

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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19

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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20

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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21

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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22

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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23

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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Lin, Heng-Te, and 林恆德. "Taiwan multi-functional digit machine industry service strategy study - Value chain view." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/53986854331600936742.

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碩士<br>輔仁大學<br>管理學研究所<br>93<br>This research aims at discussing multi-functional digit copier service tactics with the theory view of the value chain, how to weigh the value chain to manage and serve the behavior that the tactics carry out. Because information science and technology improve, cause market structure is it change to produce, and photogravure press already from imitate industry era develop into multi-functional several machine type attitude of equipment, having reduced information un-symmetry by a wide margin even more, the standard degree of merger of making the products improve i

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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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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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