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2012 Third International Conference on Networking and Distributed Computing最新文献

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Reality Check of CCN Routing Using Search Processor 基于搜索处理器的CCN路由真实性检验
2012 Third International Conference on Networking and Distributed Computing Pub Date : 2012-10-21 DOI: 10.1109/ICNDC.2012.12
Yong Liang, Zhen Chen, Jun Li, Shuai Ding
{"title":"Reality Check of CCN Routing Using Search Processor","authors":"Yong Liang, Zhen Chen, Jun Li, Shuai Ding","doi":"10.1109/ICNDC.2012.12","DOIUrl":"https://doi.org/10.1109/ICNDC.2012.12","url":null,"abstract":"Content Centric Network (CCN), a typical incarnation of the Information Centric Network (ICN), which is an active research topic of Future Internet Architecture. Naming the content's chunks, retrieving and forwarding the content chunks according to their names are the core ideas of CCN. But the length of the content's name is variable length, which is an obvious difference from the IP address in the IP network. Also the space of the content names is much bigger than IP addresses. It is a big challenge for CCN routing based on name search in FIB table. FIB table lookup based on software solution incurs high latency, which is unsuitable for high speed network while the network needs to forward CCN packets in wire-speed. In this paper, FIB table lookup for CCN routing based on hardware search processor is explored as what can be used as fast TCAM with high performance and low power consumption. And the characteristics of the search processor are introduced and the reason why it is suitable for FIB lookup in CCN routing is also explained based on some evaluations. Some experiments are conducted to compare the software-based solution with our hardware-based solution on the performance. And the power consumption and the cost are also analyzed. Finally, according to the evaluation results, the conclusion can be reached that FIB table lookup based on search processor in CCN routing is practical with power efficiency.","PeriodicalId":151593,"journal":{"name":"2012 Third International Conference on Networking and Distributed Computing","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126576959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
An Adaptive bit-allocation Method Based on Perceptual Quality Smoothing for Wireless Video Communications 一种基于感知质量平滑的无线视频通信自适应比特分配方法
2012 Third International Conference on Networking and Distributed Computing Pub Date : 2012-10-21 DOI: 10.1109/ICNDC.2012.27
Hanjie Ma, Jie Feng, Hai Huang, Huaxiong Zhang, Jie Hu
{"title":"An Adaptive bit-allocation Method Based on Perceptual Quality Smoothing for Wireless Video Communications","authors":"Hanjie Ma, Jie Feng, Hai Huang, Huaxiong Zhang, Jie Hu","doi":"10.1109/ICNDC.2012.27","DOIUrl":"https://doi.org/10.1109/ICNDC.2012.27","url":null,"abstract":"An adaptive bit-allocation method based on perceptual quality smoothing for wireless video communications is proposed. A visual attention model is build by considering skin, motion and position. Then the perceptual video quality distortion is predicted using the visual attention model and channel state information. Finally the MB target bits are allocated according to the predicted perceptual video quality distortion. Experimental results show that, when wireless channel state varies rapidly, comparing with the H.264 standard encoding method, the proposed method can reduce the variation of attention area's Peak Signal Noise Ratio (PSNR) and the variation of the frame Structural Similarity (SSIM). As a result, the perceptual quality smoothing is enhanced and the whole video perceptual quality is also improved.","PeriodicalId":151593,"journal":{"name":"2012 Third International Conference on Networking and Distributed Computing","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125774901","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
e-Learning Based on Semantic P2P Networks 基于语义P2P网络的电子学习
2012 Third International Conference on Networking and Distributed Computing Pub Date : 2012-10-21 DOI: 10.1109/ICNDC.2012.32
Lican Huang
{"title":"e-Learning Based on Semantic P2P Networks","authors":"Lican Huang","doi":"10.1109/ICNDC.2012.32","DOIUrl":"https://doi.org/10.1109/ICNDC.2012.32","url":null,"abstract":"When the Internet is the most part of human life, traditional learning is changed gradually. People will learn from the Internet besides in the classroom. This paper presents an approach of e-Learning based on semantic P2P Network- Virtual Hierarchical Tree Gird Organizations (VIRGO), which takes advantages for all people can participate the activities due to its distributed technologies. The teachers and students join their specific groups, which of them in the same group can teach,learn,discuss and share their lessons.","PeriodicalId":151593,"journal":{"name":"2012 Third International Conference on Networking and Distributed Computing","volume":"4 6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132089438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The Research of High Frequency Soft Switching Power Supply Control Circuit 高频软开关电源控制电路的研究
2012 Third International Conference on Networking and Distributed Computing Pub Date : 2012-10-21 DOI: 10.1109/ICNDC.2012.40
Zhang Yinhai, Zhao Yunmeng
{"title":"The Research of High Frequency Soft Switching Power Supply Control Circuit","authors":"Zhang Yinhai, Zhao Yunmeng","doi":"10.1109/ICNDC.2012.40","DOIUrl":"https://doi.org/10.1109/ICNDC.2012.40","url":null,"abstract":"This thesis mainly introduces a kind of soft switching technology which is named as phase-shifted full-bridge zero voltage PWM control technology, the basic working principle of power factor correction Boost converter and an control chip UC3854 commonly used by Boost converter. The paper designs an control circuit of Boost converter based on UC3854, moreover, it puts forward an improved PFC circuit.","PeriodicalId":151593,"journal":{"name":"2012 Third International Conference on Networking and Distributed Computing","volume":"177 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132432421","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research and Evaluation of Network Virtualization in Cloud Computing Environment 云计算环境下网络虚拟化的研究与评价
2012 Third International Conference on Networking and Distributed Computing Pub Date : 2012-10-21 DOI: 10.1109/ICNDC.2012.18
Zongjian He, Guanqing Liang
{"title":"Research and Evaluation of Network Virtualization in Cloud Computing Environment","authors":"Zongjian He, Guanqing Liang","doi":"10.1109/ICNDC.2012.18","DOIUrl":"https://doi.org/10.1109/ICNDC.2012.18","url":null,"abstract":"Network virtualization in cloud computing environment has attracted many attentions recently. With the help of network virtualization, VMM is able to provide fine-grained isolation among different VMs. However, the performance and overhead introduced by network virtualization is also important concerns when applying network virtualization to the cloud computing environment. In this paper, we evaluated the security, performance and QoS of popular virtual switch software Open vSwitch. The results can provide several guidelines for cloud application developer and administrators.","PeriodicalId":151593,"journal":{"name":"2012 Third International Conference on Networking and Distributed Computing","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124075834","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 22
Application of Parallel Computing on Large Scale Atmospheric Nucleation 并行计算在大尺度大气成核中的应用
2012 Third International Conference on Networking and Distributed Computing Pub Date : 2012-10-21 DOI: 10.1109/ICNDC.2012.16
Yanrui Liu, Kai Zhu, A. Aboagye, Jinzhu Gao
{"title":"Application of Parallel Computing on Large Scale Atmospheric Nucleation","authors":"Yanrui Liu, Kai Zhu, A. Aboagye, Jinzhu Gao","doi":"10.1109/ICNDC.2012.16","DOIUrl":"https://doi.org/10.1109/ICNDC.2012.16","url":null,"abstract":"During the process of atmospheric nucleation, harmful substances may be generated, thus, it is with significant to conduct research on the process. In our previous work, some tools for visualization have already been developed. However, while the data set becomes larger, the computing time also increases accordingly. To make things worse, sometimes the visualization tool may become unstable due to some limitations, especially while calculating the similarity between molecules. In this paper, we will first propose an algorithm for calculating the similarity between two molecules. Then, in order to accelerate the parsing of data, the proposed algorithm will be implemented with parallel methods, and experimental results will show the improvement of the computing speed.","PeriodicalId":151593,"journal":{"name":"2012 Third International Conference on Networking and Distributed Computing","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122025232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On Detection Accuracy of L7-filter and OpenDPI l7滤波器与OpenDPI的检测精度研究
2012 Third International Conference on Networking and Distributed Computing Pub Date : 2012-10-21 DOI: 10.1109/ICNDC.2012.36
Chaofan Shen, Leijun Huang
{"title":"On Detection Accuracy of L7-filter and OpenDPI","authors":"Chaofan Shen, Leijun Huang","doi":"10.1109/ICNDC.2012.36","DOIUrl":"https://doi.org/10.1109/ICNDC.2012.36","url":null,"abstract":"Traffic identification is an important issue in the network industry. Due to the rapid increase of applications and protocols in the Internet, traffic identification based on TCP/UDP port numbers is no longer a practical approach. Deep packet inspection (DPI) thus becomes necessary, which scans the payload of a flow for certain patterns. In this paper, we analyze the architectures of two popular open-source DPI solutions, L7-filter and OpenDPI, along with their capabilities and limitations. Our extension to L7-filter, called L7-filter-U, which improves the detection accuracy on UDP flows, is also presented. Experiments on real-world traces show that OpenDPI has higher detection accuracy than L7-filter-U, which in turn performs better than L7-filter.","PeriodicalId":151593,"journal":{"name":"2012 Third International Conference on Networking and Distributed Computing","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130373994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Research of System for Design of Geothermal Exchanger in Ground Source Heat Pump 地源热泵换热器设计系统研究
2012 Third International Conference on Networking and Distributed Computing Pub Date : 2012-10-21 DOI: 10.1109/ICNDC.2012.42
Jifeng Xu, Sun-tao Qin
{"title":"Research of System for Design of Geothermal Exchanger in Ground Source Heat Pump","authors":"Jifeng Xu, Sun-tao Qin","doi":"10.1109/ICNDC.2012.42","DOIUrl":"https://doi.org/10.1109/ICNDC.2012.42","url":null,"abstract":"In order to help the ground source heat pump practitioners, design the ground heat exchanger more systematic, more standardized and more convenient, able to use related parameters and building energy consumption to choose appropriate mathematics model to calculate. The VS2008 is used to design a system for heat exchanger of ground-source heat pump.","PeriodicalId":151593,"journal":{"name":"2012 Third International Conference on Networking and Distributed Computing","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128852854","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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