- 标题
- 摘要
- 关键词
- 实验方案
- 产品
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[IEEE 2018 IEEE 5G World Forum (5GWF) - Silicon Valley, CA, USA (2018.7.9-2018.7.11)] 2018 IEEE 5G World Forum (5GWF) - A 5G Radio-Light SDN Architecture for Wireless and Mobile Network Access in Buildings
摘要： The Internet of Radio-Light architecture provides both direct WLAN type access to the Internet using 5G RAN as well as access to the Internet via Mobile Networks using a 5G mmWave and VLC Radio Access Network (RAN) within buildings. A SDN is used to manage the various different packet flows between the RAN, the Internet Interface and the Mobile Network User and Control plane interfaces for SmartPhone, Tablet PCs, HDTVs and Virtual Reality headsets within buildings.
关键词： SDN,NFV,mmWave,5G,VLC
更新于2025-09-23 15:21:21
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Software Implementation of 10G-EPON Upstream Physical-Layer Processing for Flexible Access Systems
摘要： This paper summarizes our studies on the software implementation of passive optical network (PON) physical-layer (PHY) processing to maximize the flexibility of the optical line terminal (OLT) in access systems, and demonstrates the softwarization of complete 10G-EPON upstream PHY of an optical system for the first time. Softwarization based on general-purpose hardware is more difficult to implement successfully than the application-specific integrated circuits (ASICs) used by dedicated hardware due to the marginal performance. Our work utilizes general-purpose graphic processing units (GPUs) as the implementation device as they offer significant computation performance. Our key advances that yield the softwarization of PON PHY processing, the GPU direct transfer technique and a low-complexity algorithm, are described. In addition, this paper describes the parallel implementation method of PON PHY decoding for upstream transmission. Demonstration results show that the proposed algorithm together with implementation satisfy the 10G-EPON standard by achieving 10.3125-Gbps real-time processing.
关键词： SDN,NFV,Access networks,GPU,PHY coding and scrambler
更新于2025-09-23 15:21:21
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[IEEE 2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII) - Berlin, Germany (2019.6.23-2019.6.27)] 2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII) - 3-D Thermal Radiation Sensors on Optical Fiber Tips Fabricated Using Ultrashort Laser Pulses
摘要： Energy consumed by network constitutes a significant portion of the total power budget in modern data centers. Thus, it is critical to understand the energy consumption and improve the power efficiency of data center networks (DCNs). In doing so, one straightforward and effective way is to make the size of DCNs elastic along with traffic demands, i.e., turning off unnecessary network components to reduce the energy consumption. Today, software defined networking (SDN), as one of the most promising solutions for data center management, provides a paradigm to elastically control the resources of DCNs. However, to the best of our knowledge, the features of SDN have not been fully leveraged to improve the power saving, especially for large-scale multi-controller DCNs. To address this problem, we propose E3MC, a mechanism to improve DCN’s energy efficiency via the elastic multi-controller SDN. In E3MC, the energy optimizations for both forwarding and control plane are considered by utilizing SDN’s fine-grained routing and dynamic control mapping. In particular, the flow network theory and the bin-packing heuristic are used to deal with the forwarding plane and control plane, respectively. Our simulation results show that E3MC can achieve more efficient power management, especially in highly structured topologies such as Fat-Tree and BCube, by saving up to 50% of network energy, at an acceptable level of computation cost.
关键词： Data center network,multi-controller,SDN,elastic structure,energy management
更新于2025-09-23 15:19:57
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[IEEE 2018 Asia Communications and Photonics Conference (ACP) - Hangzhou, China (2018.10.26-2018.10.29)] 2018 Asia Communications and Photonics Conference (ACP) - Demonstration of Network Slicing in Mobile Edge Computing Service Migration
摘要： This paper proposes a SDN-based cross-layer network slicing architecture for service migration in the mobile edge computing infrastructure. Experimental demonstration shows that the scheme realizes cross-layer resource slicing and service migration isolation capabilities.
关键词： SDN,slicing,MEC,service migration
更新于2025-09-19 17:15:36
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[IEEE 2018 20th International Conference on Transparent Optical Networks (ICTON) - Bucharest (2018.7.1-2018.7.5)] 2018 20th International Conference on Transparent Optical Networks (ICTON) - Resilient Controller Location under Target Attacks
摘要： Target attacks in telecommunication networks can disrupt the connectivity and services offered. One of the worst scenarios occurs when these attacks are able to break the networks in different pieces/islands. Moreover, if the network is managed by a low number of controllers (which is the common case) these controllers could become isolated from the rest of the network causing a disruption in the service availability. We analyses different target attack scenarios and propose a more robust strategy to locate the controllers preserving the desired service availability level.
关键词： controller placement,network robustness,SDN networks
更新于2025-09-19 17:15:36
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[IEEE 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) - Munich, Germany (2019.6.23-2019.6.27)] 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) - Nonlinear Quantum Devices
摘要： Industrial networks demand centrally controlled quality of service (QoS), often in the form of hard real-time guarantees. Software-defined networking (SDN) provides a convenient paradigm for central QoS control. However, existing SDN-based solutions cannot guarantee hard real-time QoS as they rely on a control loop over the forwarding (data) and control planes. We propose a novel SDN-based QoS control framework that maintains an accurate network model through network calculus to avoid a control loop over forwarding and control planes, allocates resources to and routes flows over a network of “queue links,” whereby each physical network link houses multiple queue links (with different QoS levels), and manages QoS through a function split between delay-constrained least-cost routing on the network of queue links and the resource allocation to the queue links. This function split greatly reduces the computational complexity while achieving hard real-time QoS with high bandwidth utilization. Our evaluation results indicate that our function split approach allows for online runtime admission control and can achieve bandwidth utilization above 80% while meeting deterministic real-time QoS requirements.
关键词： software-defined networking (SDN),industrial network,network calculus,Bandwidth utilization,real-time quality of service (QoS)
更新于2025-09-19 17:13:59
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[IEEE 2018 International Conference Laser Optics (ICLO) - St. Petersburg (2018.6.4-2018.6.8)] 2018 International Conference Laser Optics (ICLO) - High-Pressure Electron Beam-Optically Pumped He-Ar Laser and Collisional Quenching of 4s Levels of ArI
摘要： Due to the limited service capabilities of centralized controllers, it is difficult to process high volume of flows within reasonable time. This particularly degrades the strict quality of service (QoS) requirements of interactive media applications, which is non-negligible factor. To alleviate this concern, distributed deployments of software-defined network (SDN) controllers are inevitable and have gained a predominant position. However, to maintain application specific QoS requirements, the number of resources used in network directly impacts the capital and operational expenditure. Hence, in distributed SDN architectures, issues such as flow arrival rate, resources required and operational cost have significant mutual dependencies on each other. Therefore, it is essential to research feasible methods to maintain QoS and minimize resources provisioning cost. Motivated from this, we propose a solution in a distributed SDN architectures that provides flow-balancing (with guaranteed QoS) in pro-active operations of SDN controllers, and attempts to optimize the use of instance resources provisioning costs. We validate our solution using the tools of queuing theory. Our studies indicate that with our solution, a network with minimum resources and affordable cost with guaranteed application QoS can be set-up.
关键词： SDN networks,flow-balancing,resources and cost optimization,QoS aware routing
更新于2025-09-19 17:13:59
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[IEEE 2019 IEEE 8th International Conference on Advanced Optoelectronics and Lasers (CAOL) - Sozopol, Bulgaria (2019.9.6-2019.9.8)] 2019 IEEE 8th International Conference on Advanced Optoelectronics and Lasers (CAOL) - Laser Cutting of the Materials in Presence of Oil Flame (Invited)
摘要： Energy consumed by network constitutes a significant portion of the total power budget in modern data centers. Thus, it is critical to understand the energy consumption and improve the power efficiency of data center networks (DCNs). In doing so, one straightforward and effective way is to make the size of DCNs elastic along with traffic demands, i.e., turning off unnecessary network components to reduce the energy consumption. Today, software defined networking (SDN), as one of the most promising solutions for data center management, provides a paradigm to elastically control the resources of DCNs. However, to the best of our knowledge, the features of SDN have not been fully leveraged to improve the power saving, especially for large-scale multi-controller DCNs. To address this problem, we propose E3MC, a mechanism to improve DCN’s energy efficiency via the elastic multi-controller SDN. In E3MC, the energy optimizations for both forwarding and control plane are considered by utilizing SDN’s fine-grained routing and dynamic control mapping. In particular, the flow network theory and the bin-packing heuristic are used to deal with the forwarding plane and control plane, respectively. Our simulation results show that E3MC can achieve more efficient power management, especially in highly structured topologies such as Fat-Tree and BCube, by saving up to 50% of network energy, at an acceptable level of computation cost.
关键词： energy management,SDN,Data center network,multi-controller,elastic structure
更新于2025-09-19 17:13:59
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[IEEE 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) - Munich, Germany (2019.6.23-2019.6.27)] 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) - Maximisation of Quantum Correlations under Local Filtering Operations
摘要： Industrial networks demand centrally controlled quality of service (QoS), often in the form of hard real-time guarantees. Software-defined networking (SDN) provides a convenient paradigm for central QoS control. However, existing SDN-based solutions cannot guarantee hard real-time QoS as they rely on a control loop over the forwarding (data) and control planes. We propose a novel SDN-based QoS control framework that maintains an accurate network model through network calculus to avoid a control loop over forwarding and control planes, allocates resources to and routes flows over a network of “queue links,” whereby each physical network link houses multiple queue links (with different QoS levels), and manages QoS through a function split between delay-constrained least-cost routing on the network of queue links and the resource allocation to the queue links. This function split greatly reduces the computational complexity while achieving hard real-time QoS with high bandwidth utilization. Our evaluation results indicate that our function split approach allows for online runtime admission control and can achieve bandwidth utilization above 80% while meeting deterministic real-time QoS requirements.
关键词： software-defined networking (SDN),industrial network,network calculus,Bandwidth utilization,real-time quality of service (QoS)
更新于2025-09-19 17:13:59
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[IEEE 2019 International Conference on Biometrics (ICB) - Crete, Greece (2019.6.4-2019.6.7)] 2019 International Conference on Biometrics (ICB) - On the Effectiveness of Laser Speckle Contrast Imaging and Deep Neural Networks for Detecting Known and Unknown Fingerprint Presentation Attacks
摘要： Next generation 5G mobile system will support the vision of connecting all devices that benefit from a connection, and support a wide range of services. Consequently, 5G transport networks need to provide the required capacity, latency, and flexibility in order to integrate the different technology domains of radio, transport, and cloud. This paper outlines the main challenges, which the 5G transport networks are facing and discusses in more detail data plane, control architectures, and the tradeoff between different network abstraction models.
关键词： optical transport networks,5G mobile communication,5G transport,software defined networking (SDN)
更新于2025-09-19 17:13:59