Relevant bibliographies by topics / Controller SDN

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Controller SDN'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Controller SDN"

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Sufiev, Hadar, Yoram Haddad, Leonid Barenboim, and José Soler. "Dynamic SDN Controller Load Balancing." Future Internet 11, no. 3 (March 21, 2019): 75. http://dx.doi.org/10.3390/fi11030075.

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The software defined networking (SDN) paradigm separates the control plane from the data plane, where an SDN controller receives requests from its connected switches and manages the operation of the switches under its control. Reassignments between switches and their controllers are performed dynamically, in order to balance the load over SDN controllers. In order to perform load balancing, most dynamic assignment solutions use a central element to gather information requests for reassignment of switches. Increasing the number of controllers causes a scalability problem, when one super controller is used for all controllers and gathers information from all switches. In a large network, the distances between the controllers is sometimes a constraint for assigning them switches. In this paper, a new approach is presented to solve the well-known load balancing problem in the SDN control plane. This approach implies less load on the central element and meeting the maximum distance constraint allowed between controllers. An architecture with two levels of load balancing is defined. At the top level, the main component called Super Controller, arranges the controllers in clusters, so that there is a balance between the loads of the clusters. At the bottom level, in each cluster there is a dedicated controller called Master Controller, which performs a reassignment of the switches in order to balance the loads between the controllers. We provide a two-phase algorithm, called Dynamic Controllers Clustering algorithm, for the top level of load balancing operation. The load balancing operation takes place at regular intervals. The length of the cycle in which the operation is performed can be shorter, since the top-level operation can run independently of the bottom level operation. Shortening cycle time allows for more accurate results of load balancing. Theoretical analysis demonstrates that our algorithm provides a near-optimal solution. Simulation results show that our dynamic clustering improves fixed clustering by a multiplicative factor of 5.
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Haque, Muhammad Reazul, Saw Chin Tan, Zulfadzli Yusoff, Kashif Nisar, Ching Kwang Lee, Rizaludin Kaspin, BS Chowdhry, Sameer Ali, and Shuaib Memon. "A Novel DDoS Attack-aware Smart Backup Controller Placement in SDN Design." Annals of Emerging Technologies in Computing 4, no. 5 (December 20, 2020): 75–92. http://dx.doi.org/10.33166/aetic.2020.05.005.

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Security issues like Distributed Denial of Service (DDoS) attacks are becoming the main threat for Software-Defined Networking (SDN). Controller placement is a fundamental factor in the design and planning of SDN infrastructure. The controller could be seen as a single dot of failure for the whole SDN and it's the alluring point for DDoS attack. Single controller placement implies a single point of SDN control. So, there is a very high chance to fail the entire network topology as the controller associated with all switches. As a result, legitimate clients won't have the capacity to use SDN services. This is the reason why the controller is the suitable center dot of attack for the aggressor. To protect SDN from this type of single purpose of failure, it is essential to place multiple smart backup controllers to guarantee the SDN operation. In this paper, we propose a novel Integer Linear Programming (ILP) model to optimize the security issue by placing powerful smart backup controller. Result obtained from the simulation shows that our proposed novel ILP model can suggest single or multiple smart backup controller placement to support several ordinary victim controllers which has the capacity to save the cost of multiple ordinary controllers by sharing link, maximum new flows per second of controller and port, etc.
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Rowshanrad, Shiva, Vajihe Abdi, and Manijeh Keshtgari. "PERFORMANCE EVALUATION OF SDN CONTROLLERS: FLOODLIGHT AND OPENDAYLIGHT." IIUM Engineering Journal 17, no. 2 (November 30, 2016): 47–57. http://dx.doi.org/10.31436/iiumej.v17i2.615.

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Software Defined Network is new network architecture. One of its components is the controller, which is the intelligent part of SDN. Many controllers such as Floodlight, Open Daylight, Maestro, NOX, POX and many others are released. The question is which controller can perform better in which situations. Many works were done to compare controllers regarding architecture, efficiency and controllers’ features. In this paper, two of the most popular controllers, Floodlight and OpenDaylight are compared in terms of Network QoS parameters such as delay and loss in different topologies and network loads. This paper can help researchers to choose the best controller in different use cases such as clouds and multimedia. The results with 95% confidence interval show that OpenDaylight outperforms Floodlight in low loaded networks and also for tree topology in mid loaded networks in terms of latency. Floodlight can outperform OpenDaylight in heavy loaded networks for tree topology in terms of packet loss and in linear topology in terms of latency. There is no significant difference in performance of Floodlight and OpenDaylight controllers in other cases.
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Amiri, Esmaeil, Emad Alizadeh, and Mohammad Hossein Rezvani. "Controller selection in software defined networks using best-worst multi-criteria decision-making." Bulletin of Electrical Engineering and Informatics 9, no. 4 (August 1, 2020): 1506–17. http://dx.doi.org/10.11591/eei.v9i4.2393.

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Controllers are the key component of Software-defined Network (SDN) architecture. Given the diversity of open SDN controllers, the following question arises for the network administrators: How can we choose the appropriate SDN controller? Different characteristics of the controllers have greatly increased the complexity of the right decision. Multi-Criteria Decision-making Methods (MCDMs) is a family of robust mathematical tools to address complex problems regarding multiple objectives. In this paper, we study the most important features of SDN controllers. To this end, we compare the well-known SDN controllers including NOX, POX, Beacon, Floodlight, Ryu, ODL, and ONOS. Leveraging a novel MCDM technique called the Best–Worst Multi-criteria (BWM), we find the most appropriate SDN controller. We solve an optimization problem and evaluate its performance in terms of significant criteria such as throughput and latency. Initial evaluation revealed that the ONOS and ODL have the highest throughput, while the lowest throughputs belong to the NOX, POX, and Ryu. However, final evaluation concerning all criteria confirmed the robustness of the ONOS and the ODL compared to other controllers.
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AlShehri, Mohammed Abdul Rahman, and Shailendra Mishra. "Feature Based Comparison and Selection of SDN Controller." International Journal of Innovation and Technology Management 16, no. 05 (August 2019): 1950029. http://dx.doi.org/10.1142/s0219877019500299.

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Software defined network (SDN) controller selection in SDN is a key challenge to the network administrator. In SDN, control plane is an isolated process and operate on control layer. The controller provides a universal view of the entire network and support applications and services. The three focused parameters for controller selection are productivity, campus network and open source. In SDN, it is vital to have a good device for the efficient processing of all requests made by the switch and for good behavior of the network. For selecting best controller for the specified parameters, decision logic has to be developed that allow us to do comparison of the available controllers. Therefore, in this research we have suggested a methodology that uses analytic-hierarchy-process (AHP) to find a best controller. The approach has been studied and verified for a big organization network setup of Al-Majmaah University, Saudi Arabia. The approach is found to be more effective and increase the network performance significantly.
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Rajalakshmi, S., N. Deepika, Srivardhini C.S., Vignesh A.C., and Vignesh D.V. "SDN Controller for LTE Networks." International Journal of Computer Applications 133, no. 3 (January 15, 2016): 31–36. http://dx.doi.org/10.5120/ijca2016907782.

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SKULYSH, Mariia, and Larysa GLOBA. "Calculation Functions of SDN Controller for Wireless Backhaul Infrastructure." Acta Electrotechnica et Informatica 17, no. 4 (December 1, 2017): 14–18. http://dx.doi.org/10.15546/aeei-2017-0029.

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Salman et al., Mustafa I. "Software Defined Network of Video Surveillance System Based on Enhanced Routing Algorithms." Baghdad Science Journal 17, no. 1(Suppl.) (March 18, 2020): 0391. http://dx.doi.org/10.21123/bsj.2020.17.1(suppl.).0391.

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Software Defined Network (SDN) is a new technology that separate the ‎control plane from the data plane. SDN provides a choice in automation and ‎programmability faster than traditional network. It supports the ‎Quality of Service (QoS) for video surveillance application. One of most ‎significant issues in video surveillance is how to find the best path for routing the packets ‎between the source (IP cameras) and destination (monitoring center). The ‎video surveillance system requires fast transmission and reliable delivery ‎and high QoS. To improve the QoS and to achieve the optimal path, the ‎SDN architecture is used in this paper. In addition, different routing algorithms are ‎used with different steps. First, we evaluate the video transmission over the SDN with ‎Bellman Ford algorithm. Then, because the limitation of Bellman ford ‎algorithm, the Dijkstra algorithm is used to change the path when a congestion occurs. Furthermore, the Dijkstra algorithm is used with two ‎controllers to reduce the time consumed by the SDN controller. ‎ POX and Pyretic SDN controllers are used such that POX controller is ‎responsible for the network monitoring, while Pyretic controller is responsible for the ‎routing algorithm and path selection. Finally, a modified Dijkstra algorithm is further proposed and evaluated with two ‎controllers to enhance the performance. The results show that the modified Dijkstra algorithm outperformed the other approaches in the aspect of QoS parameters.
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NUGROHO, KUKUH, and DHIMAS PRABOWO SETYANUGROHO. "Analisis Kinerja RouteFlow pada Jaringan SDN (Software Defined Network ) menggunakan Topologi Full-Mesh." ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika 7, no. 3 (September 30, 2019): 585. http://dx.doi.org/10.26760/elkomika.v7i3.585.

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ABSTRAKPerangkat controller dalam jaringan SDN berfungsi untuk memberikan informasi tabel flow ke perangkat switch sebagai acuan dalam menentukan informasi rute. Kecepatan dalam memproses permintaan tabel flow yang dilakukan oleh perangkat switch tergantung dari pemilihan jenis controller yang digunakan. Terdapat beberapa jenis controller yang bisa digunakan untuk mengatur aliran trafik data dalam jaringan SDN. Pada penelitian ini akan digunakan jenis controller RouteFlow dengan menggunakan algoritma routing Djikstra. Jaringan uji menggunakan topologi Full-Mesh yang menyediakan koneksi penuh ke semua switch, dimana terdapat dua protokol layer transport yang digunakan untuk mengirimkan data dalam jaringan SDN yaitu TCP dan UDP. Hasil pengukuran kualitas jaringan menunjukkan bahwa penggunaan protokol UDP menghasilkan nilai delay, jitter, dan throughput yang lebih baik dibandingkan dengan TCP. Waktu konvergensi jaringan yang dihasilkan sebesar 12,18 ms ketika ukuran data yang dipertukarkan sebesar 64 Byte.Kata kunci: Controller, Full-Mesh, RouteFlow, Software Defined Network ABSTRACTThe controller device in the SDN network is applied to provide flow table information for all switches as a reference in determining route information. The speed in processing the flow table requests that are made by the switches depends on the choice of the type of controller used. There are several types of controllers that can be used to manage the data traffic flow in the SDN network. This research utilizes the RouteFlow controller and the Djikstra routing algorithm. The test network applies the Full-Mesh topology that provides fully connections to all switches, wherein two transport protocols are used to transmit data in SDN networks, i.e., TCP and UDP. The results of network performance measurements show that the use of the UDP obtains better values in delay, jitter, and throughput than TCP. The network convergence time is 12.18 ms when the size of data exchanged is set to 64 Bytes.Keywords: Controller, Full-Mesh, RouteFlow, Software Defined Network
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Park, Joonseok, Jeseung Hwang, and Keunhyuk Yeom. "NSAF: An Approach for Ensuring Application-Aware Routing Based on Network QoS of Applications in SDN." Mobile Information Systems 2019 (April 23, 2019): 1–16. http://dx.doi.org/10.1155/2019/3971598.

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The advent of software-defined networking (SDN) has led to the paradigm of programmable network environments. Conceptually, the structure of SDN is divided into three layers: application, control, and infrastructure. The SDN controller in the control layer can configure and execute the routing of applications to the infrastructure layer consisting of network devices, including hosts and switches. Current studies on SDN have predominantly focused on control layer aspects, such as controller development, performance aspects of the controller, and interaction among different controllers and between controllers and network devices. However, to provide seamless network services and efficiently manage network environments, application-aware routing is essential because applications may have different quality of service (QoS) requirements, such as maximum bandwidth and minimum delay. This study proposes the Network Situation-Aware Framework (NSAF) to more efficiently handle application routing based on the QoS requirements and changing network status. A mechanism for supporting the NSAF consisting of application registration, network status monitoring, violation detection, and routing control is also presented. The applicability and feasibility of the proposed NSAF are verified by implementing a prototype. The NSAF may be used as a reference model for efficiently managing SDN-based networks to ensure application QoS.
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Dissertations / Theses on the topic "Controller SDN"

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Liu, Lida. "Hardware-Efficient WDM/SDM Network : Smart Resource Allocation with SDN Controller." Thesis, KTH, Kommunikationssystem, CoS, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-261155.

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Optical networking has been developing for decades and wavelength-division multiplexing (WDM) is the main technology used to carry signals in fiber-optical communication systems. However, its development has slowed because it is approaching the Shannon limit of nonlinear fiber transmission. Researchers are looking for multi dimensional multiplexing. Space-division multiplexing (SDM) is an ideal way to scale network capacities. The capacity of WDM/SDM network could be expanded to several times the capacity of WDM network but the active hardware devices may also increase by several times. This project aims to answer a practical question: How to construct a WDM/SDM network with less hardware resource? There is no mature research about WDM/SDM network yet. Therefore, the problem can be divided into two parts: (1) how to build a WDM/SDM network and (2) how to allocate resource and compute routes in such a network to minimize hardware resources. First, this thesis proposes a WDM/SDM node which has bypass connections between different fibers and architecture on demand (AoD) to effectively decrease the number of active hardware devices within the node. Then, two types of networks were constructed: one with bypass connections in each node and another one without any bypass connections. These networks were under the control of a software defined network (SDN) controller. The controller knew the wavelength resources within the networks. Several algorithms were applied to these networks to evaluate the effect of a bypass network and to identify the desired characteristics (to find short length path and decrease the probability of spectrum fragmentation) of an algorithm suitable for a network with bypass connections. The results of applying the proposed algorithms in two networks proved that the bypass connections increased the blocking probability in small topology but did not affect the results in large topology. The results in a large-scale network with bypass network were almost the same as the results in a network without bypass connections. Thus, bypass connections are suitable for large-scale network.
Optiskt nätverk har utvecklats i årtionden och våglängdsdelningsmultiplexering (WDM) är den viktigaste tekniken som används för att bära signaler i fiberoptiska kommunikationssystem. Utvecklingen har dock minskat eftersom den närmar sig Shannon-gränsen för olinjär fiberöverföring. Forskare letar efter flerdimensionell multiplexering. Space-division multiplexing (SDM) är ett idealiskt sätt att skala nätverkskapacitet. Kapaciteten för WDM / SDM-nätverk kan utökas till flera gånger WDM-nätverkets kapacitet, men de aktiva hårdvaraenheterna kan också öka med flera gånger. Projektet syftar till att svara på en praktisk fråga: Hur konstruerar jag ett WDM / SDM-nätverk med mindre hårdvara? Det finns ingen mogen forskning om WDM / SDM-nätverk än. Därför kan problemet delas in i två delar: (1) hur man bygger ett WDM / SDM-nätverk och (2) hur man fördelar resurser och beräknar rutter i ett sådant nätverk för att minimera hårdvaruressurser. Först föreslår denna avhandling en WDM / SDM-nod som har förbikopplingsanslutningar mellan olika fibrer och arkitektur på begäran (AoD) för att effektivt minska antalet aktiva hårdvaraenheter inom noden. Sedan konstruerades två typer av nätverk: en med bypass-anslutningar i varje nod och en annan utan några bypass-anslutningar. Dessa nätverk kontrollerades av en mjukvarudefinierad nätverkskontroller (SDN). Styrenheten visste våglängdsresurserna i nätverket. Flera algoritmer applicerades på dessa nätverk för att utvärdera effekten av ett förbikopplingsnätverk och för att identifiera de önskade egenskaperna (för att hitta en kort längdväg och minska sannolikheten för spektrumfragmentering) av en algoritm som är lämplig för ett nätverk med bypass-anslutningar. Resultaten av att tillämpa de föreslagna algoritmerna i två nät visade att förbikopplingsförbindelserna ökade blockeringssannolikheten i liten topologi men inte påverkade resultaten i stor topologi. Resultaten i ett storskaligt nätverk med bypass-nätverk var nästan samma som resultaten i ett nätverk utan bypass-anslutningar. Bypassanslutningar är således lämpliga för storskaliga nätverk.
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Kodzai, Carlton. "Impact of network security on SDN controller performance." Master's thesis, University of Cape Town, 2020. http://hdl.handle.net/11427/32514.

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Internet Protocol network architectures are gradually evolving from legacy flat networks to new modern software defined networking approaches. This evolution is crucial as it provides the ideal supporting network structure, architecture and framework that supports the technologies that are also evolving in software-based systems like Network Functions Virtualization (NFV). The connectivity requirements resulting from this paradigm shift in technology is being driven by new bandwidth requirements emanating from the huge number of new use cases from 5G networks and Internet of things (IoT) future technologies. Network security remains a key critical requirement of these new modern network architectures to deliver a highly available, reliable service and guaranteed quality of service. Unprotected networks will usually experience service interruptions and cases of system non-availability due to network attacks such as denial-of services and virus attacks which can render key network components unusable or totally unavailable. With the centralized approach of the Software Defined Networking architecture, the SDN controller becomes a key network point that is susceptible to internal and external attacks from hackers and many forms of network breaches. It being the heart of the SDN network makes it a single point of failure and it is crucial that the security of the controller is guaranteed to avoid unnecessary irrecoverable loss of valuable production time, data and money. The SDN controller design should be guided by a robust security policy framework with a very sound remedy and business continuity plan in the event of any form of a security attack. Security designs and research work in SDN controllers have been done with focus on achieving the most reliable and scalable platforms through self-healing and replication processes. In this dissertation the research that was done proposed a security solution for the SDN controller and evaluated the impact of the security solution on the overall SDN controller performance. As part of the research work literature review of the SDN controller and related technology carried out. The SDN controller interfaces were analyzed and the security threats that attack interfaces were explored. With link to a robust security framework a security solution was used in the experiments that analyzed the attacks from the external network sources which focused on securing the southbound interface by use of a netfilter with iptables firewall on the SDN controller. The SDN controller was subjected to denial service attack packets and the impact of the mitigation action observed on the SDN controller resources. Given that the network security layer introduced an additional overhead on the SDN controller's processors the security feature negatively affected the controller performance. The impact of the security overhead will inform on the future designs and possibly achieve a trade-off point between the level of security of the network and overall system performance due to security policies. The research analyzed and determined the performance impact of this crucial design aspect and how the additional loading due to network security affected the SDN controller normal operation.
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Brasini, Nicholas. "Analisi e sviluppo di un'interfaccia web per gestire controller SDN." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14234/.

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Con il concetto di Software Defined Networking si intende un nuovo modo di concepire la struttura di una rete, ora divisa nel piano dei dati e nel piano di controllo, in modo da raggiungere un più preciso monitoraggio della stessa e garantire maggiore sicurezza, scalabilità e affidabilità. Questo lavoro di tesi ha come obiettivo la creazione di un'interfaccia web che permetta all'utente di poter iniziare ad utilizzare e a comprendere le potenzialità di una rete SDN. Tramite chiamate REST sarà possibile interagire con il controller, che rappresenta il cervello della rete stessa. Il progetto è stato pensato soprattutto per adattamenti futuri: in questo caso si è scelto di utilizzare il controller Ryu, ma il disaccoppiamento tra la parte html e la parte JavaScript permetterà in futuro di inserire ulteriori controller senza dover effettuare alcuna modifica strutturale.
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Mamushiane, Lusani. "Towards the development of an optimal SDN controller placement framework to expedite SDN deployment in emerging markets." Master's thesis, Faculty of Engineering and the Built Environment, 2019. http://hdl.handle.net/11427/30923.

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The challenge of poor broadband penetration in emerging markets is generally attributed to the high cost of deployment and operations for broadband infrastructure. Operators are more comfortable to rollout infrastructure in urban areas than in rural (i.e. remote, sparsely populated and low income) areas, due to the attractive profit margins they present. The repercussion of this is a wide “digital divide” between urban and rural areas, resulting in social and economic exclusion. The exclusion of rural areas stifles economic growth. In order to bridge this divide, a more cost effective telecommunication infrastructure is indispensable. This means adopting an architecture that minimizes both network deployment costs (CapEx) and operational costs (OpEx), while maintaining a high service quality level and ensuring business agility. There is a general consensus that a large portion of OpEx comes from the costs associated with the configuration and management of the telecommunication infrastructure. Software Defined Networking (SDN) has emerged as a promising solution to revolutionize network deployment, operations and economic growth. This paradigm aims to address management and configuration complexities in legacy networks so as to reduce the total cost associated with deploying and running telecommunication infrastructures. Conventionally, network control and data planes are tightly coupled and deployed within the same proprietary network device. SDN presents a shift in paradigm by decoupling the control plane from the data plane, abstracting lower level functionality of underlying hardware and enabling network programmability through a centralized controller. As the “brain” of the network, the controller must be able to process and respond to requests from the data plane promptly and proficiently. In order to optimize a controller’s operational efficiency, factors such as the number of controllers deployed, type of controller and controller placement are considered. During the network planning stage of an SDN deployment, the important questions that must be answered are: given a wide area network (WAN) topology, how many controllers are needed and where should they be placed to optimize SDN performance? Henceforth, this is referred to as the controller placement problem. This problem constitutes competing objectives such as load balancing, latency, reliability and CapEx, thus no single best placement solution is available. This study aims to address the controller placement problem by leveraging machine learning algorithms. Moreover, this study carries out a comparative performance evaluation of the most popular SDN controllers namely, Ryu, Floodlight, ONOS and OpenDayLight. The results from the performance evaluation are used to study the controller placement problem on an emulation orchestration platform. In order to contextualize the problem to emerging markets and maintain realism, a local national research and education wide area network called SANReN is used to test the proposed algorithms. This study can potentially be used by network operators as a guideline to start integrating SDN or plan a new SDN deployment, by helping them make quick automatic decisions regarding optimal controller placement.
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Bispo, Pedro José Neves. "A software defined network controller quantitative and qualitative analysis." Master's thesis, Universidade de Aveiro, 2017. http://hdl.handle.net/10773/23475.

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Mestrado em Engenharia Eletrónica e Telecomunicações
New challenges are being raised in the networking field with the increasing number of connected devices. The growth of mobile data usage has to be considered as a requirement for the deployment of future 5G networks, especially regarding mobility scenarios. Software-Defined Networking (SDN) enables a greater degree of dynamism and simplification for the deployment of those 5G networks. SDN provides the separation of the control plane from the forwarding plane, allowing more control, adaptability and cost reduction. The growth of SDN integration in new mechanisms and network architectures led to the development of different controller solutions, with a wide variety of characteristics. Several SDN controllers exist, which originated from the different needs of operators and research teams. That resulted in the development of their own controller versions, which made comparison efforts more difficult. As such, this work provides a wider study of several open-source controllers, (namely, OpenDaylight (ODL), Open Network Operative System (ONOS), Ryu and POX), by evaluating not only their performance, but also their characteristics in a qualitative way. Taking performance as a critical issue among SDN controllers, several criteria were evaluated by benchmarking the controllers under different operational conditions, using the Cbench tool. Results are presented regarding both qualitative and quantitative comparisons between those SDN controllers under test.
Com o aumento do número de dispositivos ligados em rede, surgem novos desafios no ramo das redes. A necessidade de acompanhar o crescimento da utilização de dados móveis é um dos requisitos a ter em conta nas futuras redes 5G (5a Geração), sobretudo em cenários de mobilidade. As redes controladas por software (do inglês, Software-Defined Networking (SDN)) permitem a simplificação e dinamismo necessários à criação das referidas redes 5G. As SDNs promovem ainda a separação do plano de controlo do plano de dados, permitindo um maior controlo, adaptabilidade e redução de custos. O crescimento da tecnologia SDN levou ao desenvolvimento de diferentes controladores, com diferentes características. Existem vários controladores SDN, com origem em diferentes necessidades dos operadores e equipas de investigação. Este desenvolvimento individualizado tornou as comparações entre os controladores mais difíceis. Deste modo, o trabalho desenvolvido fornece um estudo mais abrangente de vários controladores open-source (OpenDaylight (ODL), Open Network Operative System (ONOS), Ryu and POX), avaliando não só a sua performance como as suas características de uma forma qualitativa. Considerando a performance crucial nos controladores SDN, foram considerados vários critérios na avaliação dos controladores sob diferentes circunstâncias, utilizando a ferramenta Cbench. Os resultados apresentados são relativos à comparação qualitativa e quantitativa dos controladores em teste.
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Al-Mafrachi, Basheer Husham Ali. "Detection of DDoS Attacks against the SDN Controller using Statistical Approaches." Wright State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=wright1513738941473344.

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Biyase, Lindokuhle Zakithi. "Scalable Bandwidth Management in Software-Defined Networks." Master's thesis, Faculty of Engineering and the Built Environment, 2021. http://hdl.handle.net/11427/33656.

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There has been a growing demand to manage bandwidth as the network traffic increases. Network applications such as real time video streaming, voice over IP and video conferencing in IP networks has risen rapidly over the recently and is projected to continue in the future. These applications consume a lot of bandwidth resulting in increasing pressure on the networks. In dealing with such challenges, modern networks must be designed to be application sensitive and be able to offer Quality of Service (QoS) based on application requirements. Network paradigms such as Software Defined Networking (SDN) allows for direct network programmability to change the network behavior to suit the application needs in order to provide solutions to the challenge. In this dissertation, the objective is to research if SDN can provide scalable QoS requirements to a set of dynamic traffic flows. Methods are implemented to attain scalable bandwidth management to provide high QoS with SDN. Differentiated Services Code Point (DSCP) values and DSCP remarking with Meters are used to implement high QoS requirements such that bandwidth guarantee is provided to a selected set of traffic flows. The theoretical methodology is implemented for achieving QoS, experiments are conducted to validate and illustrate that QoS can be implemented in SDN, but it is unable to implement High QoS due to the lack of implementation for Meters with DSCP remarking. The research work presented in this dissertation aims at the identification and addressing the critical aspects related to the SDN based QoS provisioning using flow aggregation techniques. Several tests and demonstrations will be conducted by utilizing virtualization methods. The tests are aimed at supporting the proposed ideas and aims at creating an improved understanding of the practical SDN use cases and the challenges that emerge in virtualized environments. DiffServ Assured Forwarding is chosen as a QoS architecture for implementation. The bandwidth management scalability in SDN is proved based on throughput analysis by considering two conditions i.e 1) Per-flow QoS operation and 2) QoS by using DiffServ operation in the SDN environment with Ryu controller. The result shows that better performance QoS and bandwidth management is achieved using the QoS by DiffServ operation in SDN rather than the per-flow QoS operation.
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Barattini, Daniel. "Supporto a micro-servizi per controller SDN ad alta scalabilità e affidabilità." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/21428/.

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L'attuale architettura di rete sta mostrando, nel tempo, un numero sempre più elevato di limiti derivanti principalmente dall'integrazione del piano di controllo e del piano di inoltro all'interno dei dispositivi di rete che la compongono. Uno dei più promettenti paradigmi che consente di superare queste limitazioni è SDN (Software-Defined Networking), che si basa sull'idea di estrarre il piano di controllo dai dispositivi di rete per inserirlo all'interno di un nuovo componente logicamente centralizzato: il controller SDN. Le attuali e più popolari implementazioni di controller SDN utilizzano però un’architettura monolitica che limita l’affidabilità e la scalabilità del sistema. L’obbiettivo di questa Tesi consiste quindi nell'implementazione di un prototipo di controller SDN che fornisca supporto a micro-servizi e nella sua relativa sperimentazione.
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Artuso, Matteo. "Controller SDN distribuiti basati su microservizi e orchestrati tramite Open Source MANO." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.

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Questo lavoro si pone come obiettivo quello di studiare i microservizi che compongono un controller SDN come delle Virtualized Network Functions, impiegando Open Source Mano (OSM) come orchestratore. Nella fase iniziale viene studiata la procedura per definire e istanziare dei servizi di rete che soddisfino i requisiti richiesti ad un controller per le SDN. Viene poi approfondito l’aspetto del monitoring e della replicazione dei microservizi istanziati e funzionanti attraverso gli strumenti messi a disposizione dal sistema OSM. Viene infine testato il sistema attraverso l’impiego di una rete simulata, composta da una serie di switch che impiegherà il controller SDN scomposto.
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Vrablic, Pavol. "Simulace SDN sítě." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-317006.

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Books on the topic "Controller SDN"

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1965-, Jahn Tom, Mescher Peter, Neto Paulo, and International Business Machines Corporation. International Technical Support Organization, eds. SAN Volume Controller V4.3.0 advanced copy services. 2nd ed. [Poughkeepse, NY]: IBM, International Technical Support Organization, 2009.

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Implementing the IBM system storage SAN volume controller V4.3. 7th ed. [United States?]: IBM, 2008.

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San Francisco (Calif.). Office of the Controller. Audits Division. Office of the Controller: Index of audit reports issued from fiscal years 1982-83 through 2001-2002. San Francisco, CA: City and County of San Francisco Office of the Controller, 2002.

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San Francisco (Calif.). Office of the Controller. Audits Division. Office of the Controller: An audit of the cash revolving fund, January 1, 2003 through February 20, 2004. San Francisco: Office of the Controller, 2004.

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San Francisco (Calif.). Office of the Controller. Audits Division. Office of the Controller: Index of audit reports issued from fiscal year 1982-83 through fiscal year 1999-00. San Francisco, CA: City and County of San Francisco Office of the Controller, 2000.

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National, Conference on the Control and Diversion of Controlled Substances (3rd 1987 San Antonio Tex ). Committee report on scheduling of controlled substances, precursors, chemicals and controlled substances analogs: Presented at the National Conference on the Control and Diversion of Controlled Substances, San Antonio, Texas, 1987. [Washington, D.C.?]: U.S. Dept. of Justice, Drug Enforcement Administration, 1988.

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San Francisco (Calif.). Office of the Controller. City Services Auditor Division. Performance and efficiency review: Department of Public Health : Controller's Office analysis 2005-2008. San Francisco: Office of the Controller, 2008.

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Trombetta, P. Lucà. La confessione della lussuria: Definizione e controllo del piacere nel cattolicesimo. Genova: Costa & Nolan, 1991.

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Symposium on Fusion Engineering (17th 1997 San Diego, Calif.). 17th IEEE/NPSS Symposium on Fusion Engineering: San Diego, California, October 6-10, 1997. Piscataway, NJ: IEEE Operations Center, 1998.

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San Francisco (Calif.). Office of the Controller. Audits Division. Municipal Transportation Agency: The agency has not adequately controlled and monitored its employees' overtime. San Francisco: Office of the Controller, 2000.

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Book chapters on the topic "Controller SDN"

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Tian, Xinzhi, Haijie Shen, Xiaofan Chen, and Caihong Li. "Analysis of SDN Multi-controller Placement." In 2020 International Conference on Data Processing Techniques and Applications for Cyber-Physical Systems, 677–84. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-1726-3_84.

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Wang, Yun, and Liuhe Tian. "Reaching Consensus for SDN Multi-controller Networks." In Human Centered Computing, 443–57. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-37429-7_44.

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Dong, Ligang, Jing Zhou, Tijie Xu, Dandan Yang, Ying Li, and Weiming Wang. "Loose Management for Multi-controller in SDN." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 3–13. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-49580-4_1.

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Shakil, Muhammad, Alaelddin Fuad Yousif Mohammed, Hyeontaek Oh, and Jun Kyun Choi. "DREAD-R: Severity Assessment of ONOS SDN Controller." In Lecture Notes in Computer Science, 323–30. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-69456-6_27.

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Xin, Mingyuan. "Research on Routing Algorithm of/SDN Openflow Controller." In Lecture Notes in Electrical Engineering, 1280–85. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3648-5_166.

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Shinde, Sulbha Manoj, and Girish Ashok Kulkarni. "SDN Firewall Using POX Controller for Wireless Networks." In Proceedings of Second International Conference on Computing, Communications, and Cyber-Security, 967–83. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0733-2_68.

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Thongthavorn, Thananop, and Sumet Prabhavat. "Integration of MANET with In-Band SDN Controller." In Lecture Notes in Networks and Systems, 322–31. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-79757-7_31.

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Thiruvengadam, Hemamalini, Ramya Gopalakrishnan, and Manoharan Rajendiran. "Dynamic Controller Deployment in SDN Networks Using ML Approach." In Sustainable Communication Networks and Application, 311–18. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-34515-0_33.

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Guan, Zhenyu, Hanzheng Lyu, Haibin Zheng, Dawei Li, and Jianwei Liu. "Distributed Audit System of SDN Controller Based on Blockchain." In Smart Blockchain, 21–31. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-34083-4_3.

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Gray, Nicholas, Thomas Zinner, Steffen Gebert, and Phuoc Tran-Gia. "Simulation Framework for Distributed SDN-Controller Architectures in OMNeT++." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 3–18. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-52712-3_1.

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Conference papers on the topic "Controller SDN"

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Durairajan, Ramakrishnan, Joel Sommers, and Paul Barford. "Controller-agnostic SDN Debugging." In CoNEXT '14: Conference on emerging Networking Experiments and Technologies. New York, NY, USA: ACM, 2014. http://dx.doi.org/10.1145/2674005.2674993.

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Caba, Cosmin, and Jose Soler. "Mitigating SDN Controller Performance Bottlenecks." In 2015 24th International Conference on Computer Communication and Networks (ICCCN). IEEE, 2015. http://dx.doi.org/10.1109/icccn.2015.7288429.

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Renart, Eduard G., Eddy Z. Zhang, and Badri Nath. "Towards a GPU SDN controller." In 2015 International Conference and Workshops on Networked Systems (NetSys). IEEE, 2015. http://dx.doi.org/10.1109/netsys.2015.7089058.

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Zhang, Tianzhu, Andrea Bianco, and Paolo Giaccone. "The role of inter-controller traffic in SDN controllers placement." In 2016 IEEE Conference on Network Function Virtualization and Software-Defined Networks (NFV-SDN). IEEE, 2016. http://dx.doi.org/10.1109/nfv-sdn.2016.7919481.

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Al-Alaj, Abdullah, Ram Krishnan, and Ravi Sandhu. "SDN-RBAC: An Access Control Model for SDN Controller Applications." In 2019 4th International Conference on Computing, Communications and Security (ICCCS). IEEE, 2019. http://dx.doi.org/10.1109/cccs.2019.8888031.

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Tseng, Yuchia, Montida Pattaranantakul, Ruan He, Zonghua Zhang, and Farid Nait-Abdesselam. "Controller DAC: Securing SDN controller with dynamic access control." In ICC 2017 - 2017 IEEE International Conference on Communications. IEEE, 2017. http://dx.doi.org/10.1109/icc.2017.7997249.

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Ramya, G., and R. Manoharan. "Enhanced Multi-Controller Placements in SDN." In 2018 International Conference on Wireless Communications, Signal Processing and Networking (WiSPNET). IEEE, 2018. http://dx.doi.org/10.1109/wispnet.2018.8538519.

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Eftimie, Alexandra, and Eugen Borcoci. "SDN controller implementation using OpenDaylight: experiments." In 2020 13th International Conference on Communications (COMM). IEEE, 2020. http://dx.doi.org/10.1109/comm48946.2020.9142044.

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Misra, Sudip, Kounteya Sarkar, and Nurzaman Ahmed. "Blockchain-Based Controller Recovery in SDN." In IEEE INFOCOM 2020 - IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS). IEEE, 2020. http://dx.doi.org/10.1109/infocomwkshps50562.2020.9162659.

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Pashkov, V., A. Shalimov, and R. Smeliansky. "Controller failover for SDN enterprise networks." In 2014 International Science and Technology Conference (Modern Networking Technologies) (MoNeTeC). IEEE, 2014. http://dx.doi.org/10.1109/monetec.2014.6995594.

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Reports on the topic "Controller SDN"

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Bhuvaneswaran, V., A. Basil, M. Tassinari, V. Manral, and S. Banks. Terminology for Benchmarking Software-Defined Networking (SDN) Controller Performance. RFC Editor, October 2018. http://dx.doi.org/10.17487/rfc8455.

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Bhuvaneswaran, V., A. Basil, M. Tassinari, V. Manral, and S. Banks. Benchmarking Methodology for Software-Defined Networking (SDN) Controller Performance. RFC Editor, October 2018. http://dx.doi.org/10.17487/rfc8456.

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Savedoff, Bill, Diana Pinto, and Laura Goyeneche. Convivir con el coronavirus: ¿Cómo pueden las pruebas y el rastreo de contactos frenar la pandemia? Inter-American Development Bank, February 2021. http://dx.doi.org/10.18235/0003047.

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Las pruebas y el rastreo de contactos son la columna vertebral de una respuesta eficaz del sistema de salud ante una epidemia. Sin embargo, en el caso del COVID-19, aunque la comunidad científica desarrolló pruebas de diagnóstico tan pronto se reconoció la amenaza pandémica, su producción se retrasó y la mayoría de los países no implementaron pruebas en cantidades suficientes o dentro de una estrategia nacional coherente. El objetivo del presente documento es identificar las estrategias exitosas en el uso de pruebas y el rastreo de contactos para informar a las políticas que puedan implementar los países de América Latina y el Caribe para desacelerar y controlar la pandemia. Se dan énfasis en las políticas de menor costo y las que toman en cuenta restricciones de recursos o en la oferta de insumos diagnósticos.
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wang, heting. Chinese herbal medicine Si-Miao-San Decoction for Acute Gouty Arthritis:a systematic review and meta-analysis of randomized controlled trials. INPLASY - International Platform of Registered Systematic Review Protocols, April 2020. http://dx.doi.org/10.37766/inplasy2020.4.0163.

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Siekhaus, W. Reaction Between Thin Gold Wires And Pb-Sn-In Solder (37.5%, 37.5%, 25%), Part C. A Comprehensive Model Of The Reaction Inside The Solder Mounds In Both The Interface Controlled Regime And The Diffusion-Controlled Regime. Office of Scientific and Technical Information (OSTI), August 2012. http://dx.doi.org/10.2172/1084719.

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Siekhaus, W. Reaction Between Thin Gold Wires and Pb-Sn-In Solder (37.5%, 37.5%, 25%), Part C. A comprehensive Model Of The Reaction Inside the Solder Mounds In Both The "Interface Controlled Regime" and The "Diffusion-Controlled" Regime During Long-Term Exposure. Office of Scientific and Technical Information (OSTI), February 2011. http://dx.doi.org/10.2172/1068279.

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Camós, Gibet, Fabio Gordillo, and Adriana Palacio. Lineamientos para la implementación de sistemas de recaudo interoperables para transporte público. Edited by Fanny Bertossi, Juanita Concha, and Paula Melisa Cruz. Inter-American Development Bank, December 2020. http://dx.doi.org/10.18235/0003051.

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La masificación de los sistemas de transporte, debido al crecimiento de la población y las ciudades, ha generado la necesidad de implementar sistemas de recaudo electrónico para mejorar su eficiencia operativa, y poder controlar y fiscalizar adecuadamente sus ingresos. Esta publicación presenta principios y condiciones técnicas, operativas y de seguridad, recomendados para el diseño de un sistema de recaudo para servicios de movilidad, con el fin de garantizar su interoperabilidad y flexibilidad. Asimismo, expone unos lineamientos generales que se recomiendan sean aplicados por las autoridades para el desarrollo de sistemas que permitan la interacción de distintos medios de pago y múltiples proveedores tecnológicos y/o de servicios. Se definen lineamientos específicos para la implementación de diferentes medios de pago: tarjetas bancarias sin contacto que satisfacen el estándar Europay Mastercard Visa (EMV), tarjeta de transporte, códigos de barras 2D y efectivo con validación electrónica. Para ilustrar estos lineamientos, se desarrollan casos de estudio de la puesta en marcha de los medios de pago en diferentes países: Costa Rica, Paraguay y República Dominicana.
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Flores, Iván, Miguel Székely, and Viviana Vélez-Grajales. La violencia intrafamiliar y su transmisión intergeneracional: el caso de México. Edited by Karelia Villa-Mar and Bárbara Cedillo. Inter-American Development Bank, September 2021. http://dx.doi.org/10.18235/0003603.

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La violencia es un obstáculo para el desarrollo de América Latina y el Caribe y una de las principales preocupaciones de su población. Los jóvenes son las principales víctimas y victimarios. Este estudio contribuye a expandir el conocimiento sobre la transmisión intergeneracional de la violencia intrafamiliar, considerada como una de las posibles causas del crimen y la violencia juvenil. En el estudio se establece la importancia de la transmisión de violencia intrafamiliar de padres/madres a hijos/as e incluso de abuelos/as a nietos/as como un factor de riesgo del desarrollo de comportamientos violentos a futuro. El análisis parte de los datos de la Encuesta de Movilidad Social de los Jóvenes en la Zona Metropolitana de la Ciudad de México 2017. La violencia intrafamiliar se midió construyendo tres variables: violencia observada, sufrida y ejercida, cuantificándolas de las respuestas de encuestas a padres e hijos para medir la violencia a la que estuvieron expuestas ambas generaciones. Los resultados revelan que las asociaciones de la transmisión intergeneracional de la violencia intrafamiliar sobreviven a controles por violencia geográfica; existe una relación positiva entre la violencia juvenil y haber crecido en un hogar donde había violencia intrafamiliar reflejada en violencia de pareja, maltrato infantil y actitudes que favorecen la violencia; y la probabilidad de ejercer violencia contra la pareja es mayor de mujer a hombre. El estudio concluye que las políticas públicas para prevenir y atender la violencia intrafamiliar deben considerar servicios de prevención social de la violencia atendiendo a todos integrantes de la familia con antecedentes criminales y conductas de violencia intrafamiliar con programas específicos y adecuados según su perfil de riesgo.
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