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2003 Symposium on Applications and the Internet Workshops, 2003. Proceedings.最新文献

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Residents oriented disaster information network 面向居民的灾害信息网络
Pub Date : 2003-01-27 DOI: 10.1109/SAINTW.2003.1210179
Y. Shibata, D. Nakamura, Noriki Uchida, Kazuo Takahata
Recently, risk management for the disasters such as earth quick, mountain explosion, seismic sea wave, in addition to ordinal disasters, such as typhoon, rain flooding and snow-slide has been seriously considered to keep the safety for the residents in many countries. More reliable and robust information systems than the conventional business or research oriented information networks must be constructed to normally and correctly perform their functions for residents even though serious disasters have happened. We propose a unified wide area disaster information network (WDN) using Internet based on the combination of both wired and wireless networks. The system requirements and their functions of WDN are precisely defined and the various types of information for residents are precisely defined. The prototype system of the disaster information system based on our suggested WDN was built to demonstrate and evaluate its functionality. Through the practical training in the local city for preparation of mountain explosion, we could confirm the usefulness of our suggested system.
近年来,除了台风、雨洪、雪灾等普通灾害外,许多国家都在认真考虑对土崩、山崩、地震海浪等灾害的风险管理,以保障居民的安全。必须构建比传统的商业或研究型信息网络更可靠、更健壮的信息系统,以便在发生重大灾害时正常、正确地为居民提供服务。提出了有线与无线相结合的基于Internet的统一广域灾害信息网(WDN)。准确定义了WDN的系统需求及其功能,准确定义了居民可获取的各类信息。建立了基于WDN的灾害信息系统原型系统,对其功能进行了验证和评价。通过在当地城市进行山地爆炸准备的实际训练,验证了所提出系统的有效性。
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引用次数: 35
Telecontrol of ultra-high voltage electron microscope over global IPv6 network 超高压电子显微镜在全球IPv6网络上的远控
Pub Date : 2003-01-27 DOI: 10.1109/SAINTW.2003.1210152
Toyokazu Akiyama, S. Shimojo, S. Nishio, Y. Kitatsuji, S. Peltier, T. Hutton, Fang-Pang Lin
Osaka University has an ultra-high voltage electron microscope (UHVEM) which can provide high quality specimen images for worldwide researchers. For usability improvements, we have worked on telecontrol of the UHVEM. We introduce a part of our activities on the telecontrol of the UHVEM. In order to remotely control the microscope, we must provide high quality dynamic images of the specimen with low latency to the remote site. We have used DVTS for image transfer. In iGrid2002, we transported DV streams over global IPv6 networks from the UHVEM in Osaka, Japan, to the National Center for Microscopy and Imaging Research in San Diego and iGrid2002 conference venue in Amsterdam, Holland. This experiment shows the availability of current IPv6 networks and the new possibility of future IPv6 networks. We also describe our current telecontrol system and future work.
大阪大学拥有一台超高压电子显微镜(UHVEM),可以为世界各地的研究人员提供高质量的标本图像。为了提高可用性,我们研究了UHVEM的远程控制。我们将介绍我们在超高压电磁遥控方面的部分活动。为了远程控制显微镜,我们必须向远程站点提供低延迟的高质量标本动态图像。我们使用DVTS进行图像传输。在iGrid2002中,我们通过全球IPv6网络将DV流从日本大阪的UHVEM传输到圣地亚哥的国家显微镜和成像研究中心和荷兰阿姆斯特丹的iGrid2002会议场地。该实验显示了当前IPv6网络的可用性和未来IPv6网络的新可能性。介绍了我们目前的遥控系统和今后的工作。
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引用次数: 3
Ad-hoc business processes in Web services Web服务中的临时业务流程
Pub Date : 2003-01-27 DOI: 10.1109/SAINTW.2003.1210135
A. Wombacher, Bendick Mahleko
Web service technologies promise to facilitate collaboration among business partners by helping potential business partners find one another and integrate their business processes to do business. Daunting challenges however exist before the full potential of Web services can be realized. Indexing mechanisms for complex workflows are needed for example to be able to efficiently search and match business partners on the basis of compatible workflows. Business collaborations invariably comprise multiple-parties, and the process of aggregating workflows belonging to different parties to establish a global agreement in an ad-hoc manner presents another challenge. We also need to consider the decision problem how to determine, during the setting-up of a global agreement, whether some services must be fulfilled by the same provider or not. We highlight these challenges and propose possible solutions.
Web服务技术承诺通过帮助潜在的业务伙伴找到彼此并集成他们的业务流程来进行业务,从而促进业务伙伴之间的协作。然而,在实现Web服务的全部潜力之前,存在着令人生畏的挑战。例如,需要复杂工作流的索引机制,以便能够在兼容工作流的基础上有效地搜索和匹配业务伙伴。业务协作总是由多方组成,而聚合属于不同方的工作流以一种特别的方式建立全局协议的过程提出了另一个挑战。我们还需要考虑决策问题,在全局协议的建立过程中,如何确定某些服务是否必须由相同的提供者来完成。我们强调这些挑战,并提出可能的解决方案。
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引用次数: 8
MLDv2 protocol design, implementation and evaluation for source-specific multicast over IPv6 基于IPv6的特定源组播的MLDv2协议设计、实现和评估
Pub Date : 2003-01-27 DOI: 10.1109/SAINTW.2003.1210165
H. Asaeda, Shinsuke Suzuki
With the advance of multicast technologies, source-specific multicast (SSM) has been introduced as a feasible communication model. In the IPv6 environment, since many kinds of equipment can be connected to the Internet as regular end-nodes and assume multicast communication in general, considering the scalability proposed by SSM is very valuable. Regarding an SSM communication over IPv6, an implementation of Multicast Listener Discovery version 2 (MLDv2) on every end-node is indispensable as well as on every router. One of the most concerning points of MLDv2 is its complexity, therefore it may delay the SSM deployment due to its implementation cost. In view of this fact, having an effective and accurate MLDv2 reference implementation is urged and desired for multicast deployment. In this document, we illustrate MLDv2 host-side implementation, mainly the most complex Multicast Source Filtering (MSF) procedure, applied to 4.4BSD kernel. While presenting the implementation concept, design, and logic, we evaluate the behaviors of our implementation. In addition, a performance investigation is also mentioned.
随着组播技术的发展,源特定组播(SSM)作为一种可行的通信模型被引入。在IPv6环境下,由于多种设备可以作为规则的终端节点连接到Internet,并承担一般的组播通信,因此考虑SSM提出的可扩展性是非常有价值的。对于基于IPv6的SSM通信,在每个终端节点和每个路由器上实现多播侦听器发现版本2 (MLDv2)是必不可少的。MLDv2最令人担忧的一点是其复杂性,因此由于其实现成本,它可能会延迟SSM的部署。考虑到这一点,多播部署迫切需要一个有效、准确的MLDv2参考实现。在本文档中,我们演示了MLDv2的主机端实现,主要是最复杂的多播源过滤(MSF)过程,应用于4.4BSD内核。在呈现实现概念、设计和逻辑时,我们评估实现的行为。此外,还提到了性能调查。
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引用次数: 6
AI application of the Internet - backgrounds and issues 人工智能在互联网上的应用——背景与问题
Pub Date : 2003-01-27 DOI: 10.1109/SAINTW.2003.1210171
K. Yoshida, Kazuo Hashimoto
The wide spread of the Internet and its evolution as a new social infrastructure increase the importance of applications which best use its potential. The intelligent functions which can be realized with computer technology are indispensable to best benefit from the Internet. We overview the current situation together with issues which we have to solve to realize the new infrastructure of networked society.
互联网的广泛传播及其作为一种新的社会基础设施的演变增加了最好地利用其潜力的应用程序的重要性。计算机技术所能实现的智能功能是充分利用互联网所不可或缺的。本文概述了网络社会新基础设施建设的现状和需要解决的问题。
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引用次数: 0
R&D activities and testbed operation in WIDE project 广域项目的研发活动和试验台操作
Pub Date : 2003-01-27 DOI: 10.1109/SAINTW.2003.1210150
H. Esaki, A. Kato, J. Murai
The WIDE project, www.wide.ad.jp, is a research consortium among industry and academia. The WIDE project consists of more than four hundred active researchers from more than a hundred private companies and more than forty universities. The WIDE project operates the nation-wide R&D testbed, which is connected with many other R&D testbeds, and the NSPIXPs, that are the largest IXes in Japan. The main focus of the WIDE project has been IPv6 technology and has established an IPv6 testbed since 1998. Basically, all of the R&D activities in the WIDE project are based on the IPv6. This paper describes the overview of the WIDE project R&D testbed and the R&D activities, such as KAME/USAGI/TAHI projects.
WIDE项目(www.wide.ad.jp)是工业界和学术界的一个研究联盟。WIDE项目由来自100多家私营公司和40多所大学的400多名活跃研究人员组成。WIDE项目运营全国研发试验台,该试验台与许多其他研发试验台以及日本最大的试验台NSPIXPs相连。WIDE项目的主要重点是IPv6技术,并自1998年以来建立了一个IPv6测试平台。基本上,WIDE项目中的所有研发活动都是基于IPv6的。本文概述了WIDE项目研发试验台和研发活动,如KAME/USAGI/TAHI项目。
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引用次数: 13
Data storage requirements for the service oriented computing 面向服务计算的数据存储要求
Pub Date : 2003-01-27 DOI: 10.1109/SAINTW.2003.1210129
T. Risse, P. Knezevic
Service oriented computing and peer-to-peer (P2P) computing are emerging technologies which provide, from the architectural point of view, scalability and flexibility. From their properties both architectures are quite similar e.g. in both architectures no-one has a complete system overview and no central administration exists. Besides other challenges, this leads to the question of how data can be stored reliably in P2P and service oriented environments. In this paper we analyze and discuss the requirements as well as the challenges and give an outlook on our research activities which address the identified problems.
面向服务的计算和点对点(P2P)计算是新兴的技术,从体系结构的角度来看,它们提供了可伸缩性和灵活性。从它们的属性来看,这两个体系结构非常相似,例如,在这两个体系结构中,没有人有完整的系统概述,也不存在中央管理。除了其他挑战之外,这还导致了如何在P2P和面向服务的环境中可靠地存储数据的问题。在本文中,我们分析和讨论了需求以及挑战,并对我们的研究活动提出了展望,以解决所发现的问题。
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引用次数: 7
Intelligent agent stakes for e-commerce 电子商务智能代理股份
Pub Date : 2003-01-27 DOI: 10.1109/SAINTW.2003.1210141
M. Galuszewska, Jean-Michel Sahut
The transformations of the business environment have led to the emergence of new business reality. Business processes are dynamic as never before. Solely participants able to take snap decisions have a chance to survive and, what is more important, generate some benefits. Moreover, the pressure to apply IT solutions forces companies to permanent search for the state-of-the-art technologies. It becomes, thus, necessary to support business processes with a tool that is able to inform, co-operate, act fast as well as replace a human in many business situations. Artificial intelligence (AI) based systems constitute the solution fulfilling such requirements. Quite recently AI started playing significant role in e-commerce world. Its new form is not the monolithic system of the past, but distributed artificial intelligence, known as intelligent agent technology. This technology is the next step in dealing with some shortcomings in e-commerce. However, successful computer systems underlying e-commerce require judgement and the knowledge of experts such as buyers, contract negotiators as well as marketing specialists.
商业环境的变化导致了新的商业现实的出现。业务流程是前所未有的动态。只有能够迅速做出决定的参与者才有机会生存下来,更重要的是,还能产生一些好处。此外,应用IT解决方案的压力迫使公司不断寻找最先进的技术。因此,有必要使用一种工具来支持业务流程,这种工具能够提供信息、进行合作、快速行动,并在许多业务情况下取代人工。基于人工智能(AI)的系统构成了满足这些需求的解决方案。最近,人工智能开始在电子商务领域发挥重要作用。它的新形式不是过去的单一系统,而是分布式人工智能,被称为智能代理技术。这项技术是解决电子商务中一些不足的下一步。然而,作为电子商务基础的成功的计算机系统需要买方、合同谈判者以及营销专家等专家的判断力和知识。
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引用次数: 1
Software compatibility and human interface for DV over IP DV over IP的软件兼容性和人机界面
Pub Date : 2003-01-27 DOI: 10.1109/SAINTW.2003.1210153
T. Hisamatsu, A. Ogawa, Osamu Nakamura, J. Murai, Kazunori Sugiura
We created a high quality video transportation system for broadband networks, using DV (digital video) format. Our implementation was named DVTS (Digital Video Transport System). DVTS supports FreeBSD, NetBSD, Linux, MacOSX, and Windows operating systems. Each operating system has a different interface to interact with an application. For example, MacOS uses a GUI (graphical user interface) to allow end users to run applications with simple mouse and keyboard operation. We have ported DVTS to the MacOSX platform. MacOSX Aqua is an abstraction of a human interface based on a GUI. However, since the MacOSX implementation for the former DVTS is implemented using a CUI (character user interface), it does not assimilate with the MacOSX Aqua abstraction. Additionally, the video playback window for the DVTS receiver is designed with the QuickTime framework in our new system. Abstraction and implementation of DVTS for the Aqua interface is proposed. Due to this research, the usability of DVTS is enhanced.
我们创建了一个高质量的视频传输系统,用于宽带网络,使用DV(数字视频)格式。我们的实现被命名为DVTS(数字视频传输系统)。DVTS支持FreeBSD、NetBSD、Linux、MacOSX和Windows操作系统。每个操作系统都有与应用程序交互的不同接口。例如,MacOS使用GUI(图形用户界面)允许终端用户通过简单的鼠标和键盘操作来运行应用程序。我们已经将DVTS移植到MacOSX平台。MacOSX Aqua是基于GUI的人机界面的抽象。然而,由于MacOSX对前DVTS的实现是使用CUI(字符用户界面)实现的,因此它不能与MacOSX Aqua抽象相同化。此外,DVTS接收机的视频播放窗口设计与QuickTime框架在我们的新系统。提出了面向Aqua接口的DVTS的抽象和实现方法。通过本研究,提高了DVTS的可用性。
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引用次数: 2
Securing authentication and privacy in ad hoc partitioned networks 保护临时分区网络中的身份验证和隐私
Pub Date : 2003-01-27 DOI: 10.1109/SAINTW.2003.1210185
Sankar Kaliaperumal
Security is a major concern in the design of modern communication systems. It is particularly challenging with wireless networks such as ad hoc networks. Ad hoc Networks are dynamically reconfigured. For this reason they are vulnerable to several major security threats. This paper focuses on authentication and privacy in partitioned ad hoc networks. We consider the problem of managing revocation lists and discuss privacy issues.
安全是现代通信系统设计中的一个主要问题。对于无线网络(如ad hoc网络)来说,这尤其具有挑战性。Ad hoc网络是动态重新配置的。由于这个原因,它们很容易受到几个主要的安全威胁。本文主要研究了分区自组织网络中的身份验证和隐私问题。我们考虑管理撤销列表的问题,并讨论隐私问题。
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引用次数: 13
期刊
2003 Symposium on Applications and the Internet Workshops, 2003. Proceedings.
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