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Proceedings of the Third IASTED International Conference on Communications, Internet, and Information Technology

作者： Lehmann, Ralf Schill, Alexander Institute for System Architecture Department of Computer Networks Technische Universität Dresden 01062 Dresden Germany

ISBN: (纸本)0889864470

Current high speed networks cannot be fully utilized by today's high end systems. The processing requirements of next generation network protocols require intelligent network cards with network protocol offload engines, for example based on a network processor. To reduce development time, we reuse existing software protocol stack implementations for partitioning and implementing on the network card. Though, manual partitioning is very time-consuming due to the complex protocol stacks. We outline an approach for tool supported software partitioning even for complex C source code.

关键词： computer networks

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Integrating MPEG-7 descriptors and pattern recognition: an environment for multimedia indexing and searching

Integrating MPEG-7 descriptors and pattern recognition: an e...

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Proceedings of the Latin American Web Congress (LA-Web)

作者： R. Matushima D.M. Hiramatsu R.M. Silveira W.V. Ruggiero C.E.M. da Costa M.M. Monteiro C. Hatori LARC-Laboratory of Computer Architecture and Networks Department of Computer and Digital System Engineering Escola Politécnica da Universidade de São Paulo Brazil Department of Computer Engineering and Digital System Escola Politécnica da Universidade de São Paulo Brazil Fundaćão Padre Anchieta Radio e TV Cultura Sao Paulo Brazil

This paper describes a music searching system based on an automatic indexing process created over a pattern recognition tool and MPEG-7 standard. We present a complete analysis of the involved technologies integration process and show a reference measure in the feasibility of this kind of application not only in the research environment but also in the production of real systems.

关键词： MPEG 7 Standard Pattern recognition Indexing TV Data mining computer networks Digital systems Systems engineering and theory Libraries Humans

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IPsec protocol acceleration using network processors

IPsec protocol acceleration using network processors

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Proceedings of the Second IASTED International Conference on Communications, Internet, and Information Technology

作者： Lehmann, Ralf Benz, Mirko Groß, Stephan Hampel, Maik Institute for System Architecture Department of Computer Networks Technische Universität Dresden 01062 Dresden Germany

ISBN: (纸本)0889863989

Gigabit networks can not be fully utilized by today's end systems. The processing requirements of next generation network protocols with enabled encryption features will aggravate this situation. To overcome these shortcomings this paper presents an approach and prototype implementation for hardware support of IP/IPsec protocols. We out-line a hardware/software partitioning, where the data path of the IP/IPsec protocol is accelerated by a network processor. In contrast to other approaches, we reuse existing software protocol stack implementations.

关键词： Telecommunication networks

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Optical burst and packet switching: Node and network design, contention resolution and quality of service - Results from the study in COST 266 7

Optical burst and packet switching: Node and network design,...

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7th International Conference on Telecommunications, ConTEL 2003

作者： Bjørnstad, Steinar Nord, Martin Hjelme, Dag.R. Stol, Norvald Callegati, Franco Cerroni, Walter Raffaelli, Carla Zaffoni, Paolo Gauger, Christoph M. Develder, Chris Cheyns, Jan Van Breusegem, Erik Baert, Elise Colle, Didier Pickavet, Mario Demeester, Piet Lacković, Marko Careglio, Davide Junyent, Gabriel Klinkowski, Miroslaw Marciniak, Marian Kowalewski, Marian Internet Network Architecture Telenor R and D Oslo Norway Department of Physical Electronics NTNU/UNIK Trondheim Norway Department of Telematics NTNU/UNIK Trondheim Norway Research Center COM DTU Lyngby Denmark DEIS University of Bologna Bologna Italy University of Stuttgart Institute of Communication Networks and Computer Engineering Stuttgart Germany Ghent University IMEC Ghent Belgium Department of Telecommunications Faculty of Electrical Engineering and Computing Unska 3 Zagreb Croatia Universitat Politècnica de Catalunya Advanced Broadband Communications Labs. CatalunyaBarcelona Spain National Institute of Telecommunications Department of Transmission and Fiber Technology Warsaw Poland

ISBN: (纸本)9531840520

Future network should be able to efficiently serve packet-based networks, such as the Internet. In this paper, based on results from COST 266, we explore characteristics of Optical Burst switching (OBS) and Optical Packet Switching (OPS). Both node design and Metropolitan Area Network (MAN) are discussed. A unique joint comparative performance evaluation of contention resolution in OBS and OPS are presented, as well as methods of Quality of Service (QoS) differentiation in OBS/OPS networks, and their performance. © 2003, Institute of Electrical and Electronics Engineers Inc. All rights reserved.

关键词： Quality of service

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Middleware support for transparent client-side caching

Middleware support for transparent client-side caching

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SC 2002, Workshop on Software Composition Affiliated with ETAPS 2002 (Satellite Event of ETAPS 2002)

作者： Pohl, Christoph Schill, Alexander Dresden University of Technology Institute for System Architecture Chair for Computer Networks Germany

This paper reflects on existing caching concepts in proxies and stubs of component technologies and lines out their advantages and deficiencies. A new concept is introduced that averts proliferation of component stubs on client side while transparently providing efficient caching of attributes that doesn't require any changes to existing code at all. Common object-oriented design facilities and code generation tools are leveraged to support seamless integration of these caching concepts into the development cycle. ©2002 Published by Elsevier Science B.V.

关键词： Middleware

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Middleware Support for Transparent Client-Side Caching

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Electronic Notes in Theoretical computer Science 2002年第4期65卷 34-44页

作者： Christoph Pohl Alexander Schill Dresden University of Technology Institute for System Architecture Chair for Computer Networks Germany

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Comprehensive information fusion methodology for telecommunication network management

Comprehensive information fusion methodology for telecommuni...

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International Conference on Machine Learning and Cybernetics (ICMLC)

作者： Yun-Lan Wang Zeng-Zhi Li Jun Xue Shi-Min Ban Yin-Liang Zhao Institute of Computer Architecture and Networks Xi''an Jiaotong University Xi'an China

Focuses on Dempster-Schafer (D-S) evidence theory and fuzzy logic based information fusion methodology for telecommunication network management The production rules, fuzzy relations and fuzzy rules for fault diagnosis are multi-source. The multi-source information should be fused to achieve more comprehensive information.. The fusion algorithms for production rules are presented, including the factor coordinator algorithm, sequential iteration algorithm and evidence theory based algorithm. The same is done for fuzzy relations and fuzzy rules. Furthermore, in order to get more reliable diagnosis results, the D-S evidence theory is adopted to fuse the fault diagnosis results from the experts, expert system and fuzzy reasoning system.

关键词： Telecommunication network management Fault diagnosis Fuzzy reasoning Diagnostic expert systems Fuzzy logic Knowledge management Production systems Fuzzy sets Hybrid intelligent systems Fuzzy systems

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A fast algorithm of mining association rules in network management

A fast algorithm of mining association rules in network mana...

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International Conference on Machine Learning and Cybernetics (ICMLC)

作者： Pei-Qi Liu Zeng-Zhi Li Yu-Xi Chen Yin-Liang Zhao Institute of Computer Architecture & Networks Xi'an Jiaotong University Xi'an China Information & Network Center Xi''an University of Architecture and Technology China

This paper presents the present study and research of knowledge discovery in database, points out the shortcoming of the classical a priori algorithm. Our research proposes the AprioriNEW algorithm based on reducing database, and analyses and appraises this algorithm in progress. The algorithm has been applied to mine the trap information in the network management.

关键词： Data mining Association rules Intelligent networks Transaction databases Relational databases Technology management Itemsets computer network management computer architecture Data analysis

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Server of quality system for video on demand over ATM

Server of quality system for video on demand over ATM

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IEEE International Conference on ATM

作者： R.M. Silveira W.V. Ruggiero LARC-Laboratory of Computer Architecture and Networks PCS-Department of Computer and Digital System Engineering EPUSP Polytechnic School University of Sao Paulo Sao Paulo Brazil

ISBN: (纸本)0780370937

Considering video transmission over an ATM network for a video on demand system, we propose a server of quality (SoQ) that has the main function of fitting the video transmission rate to the available network bandwidth. The SoQ uses a "backpropagation" neural network to fit the MPEG quantization coefficients in a nonlinear way. Here are shown the SoQ specification and the results obtained from its main module implementation.

关键词： Video on demand Asynchronous transfer mode Bit rate Network servers Bandwidth Neural networks Quality of service Quantization Telecommunication traffic Backpropagation

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Towards more intelligent network management: service-oriented proactive fault management using KDD techniques

Towards more intelligent network management: service-oriente...

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World Congress on Intelligent Control and Automation (WCICA)

作者： Liu Kangping Li Zengzhi Wang Zhiwen Zhang Jing Tang Yazhe Institute of Computer Architecture and Networks Xi''an Jiaotong University Xi'an Shaanxi China

In this paper, we present a knowledge discovery system, Data Fusion Supported Frequent Episodes Discovery (DFSPED), for service-oriented proactive fault management in communication networks. The concept of network service topology is proposed first, and context-free grammars and network service dependence graph are used to model the service-oriented proactive fault management. Secondly, with the approaches of data fusion, two catalogues of important fault-pertinent data sources, i.e., service-oriented trouble-reporting data and real time alarm messages, are fused by temporal and spatial associations. KDD techniques are applied to perform incremental mining in the fused sequential events, finding frequent episodes among faults, alarms and service. Fast restoration of key service interruption, fault prediction and preventive maintenance benefit a lot from the discovered episodes.

关键词： Intelligent networks Knowledge management computer network management Network topology Preventive maintenance Telecommunication network topology computer architecture Communication networks Context-aware services Context modeling

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