高校教务管理系统的分析与设计

文章通过对客户机/服务器模式和浏览器/服务器模式的分析和对比,再结合高校教务管理系统的功能需求,系统选择采用客户机/服务器模式和浏览器/服务器模式相结合的多层软件架构的开发方法来实现。     

基于Linux的网站服务器建设

设计采用Fedora Core 5 Linux架设服务器,其主要包括Apache、FTP、SAMBA、DNS、服务器配置。其中采用DNS负载均衡及其他均衡技术来实现快速的响应。在Linux服务器中,实现代理、文件传输、域名解析和虚拟服务器等建设功能。     

利用Plug—in技术增强浏览器／服务器功能

通过对客户机／服务器和浏览器／服务器两种不同体系结构的比较，指出了浏览器／服务器体系结构的优点和不足，提出了一种利用ＮｅｔｓｃａｐｅＰｌｕｇ－ｉｎ技术增强浏览器功能的方法，利用此方法可以在浏览器／服务器体系结构下实现复杂的应用，指出了Ｐｌｕｇ－ｉｎ优于ＪＡＶＡＡｐｐｌｅｔ的特色。介绍Ｐｌｕｇ－ｉｎ和Ｐｌｕｇ－ｉｎＡＰＩ的基本情况，并使用一个实例说明如何扩充浏览器端的功能。     

基于Web的CAD/CAM系统WebSuperman

在现有超人2000CAD／CAM系统的基础上实现了基于Web的WebSuperman CAD／CAM原型系统的开发．WebSuperman CAD／CAM系统采用Browser／Server的结构构建，浏览器端放置与用户交互有关的功能，所有需要复杂运算的功能及与系统内核有关的功能均放置在服务器端，浏览器与服务器的通信通过CORBA技术来实现。     

专用浏览器/服务器系统模型的设计与实现

在客户机／服务器和浏览器／服务器系统模型的基础上，结合多层客户机／服务器系统模型，提出了专用浏览器／服务器系统模型，并给出了一个实例。该模型使得浏览器可通过数据库服务器直接与数据库通信，具有开发成本低、性能更高、安全性更好。最后还给出了专用浏览器／服务器系统模型的其它解决方案。     

基于LINUX操作系统的文件服务器

通过对LINUX操作系统中的用户、用户所在的组和目录所对应的用户、组所拥有权限之间的组合实现了对用户、组进行目录权限管理.再通过对LINUX的SAMBA应用的分析,实现了windows系统通过查找计算机后映射盘符的方法来共享LINUX服务器的网络资源.     

表面工程技术服务项目中的专家咨询模块分析

通过研究开发并建立网上专家咨询和诊断系统,为行业提供全方位公益性服务,整个系统采用B/S(浏览器/服务器)架构,各种用户都可以通过浏览器完成自己的功能.系统用java语言开发.简要介绍了系统实现流程和开发过程.     

基于Web的IP网络管理实现

提出了一个基于Web的IP网络管理系统模型，该系统由3部分组成：可以运行浏览器的管理站，运行Servlet的网管服务器及数据服务器组成；这个应用系统的软件主要采用Java实现，通过Java Applet与Servlet问的相互协作，实现IP网的故障管理、性能管理、拓扑显示等管理功能。     

浏览器/服务器结构应用系统的研究与开发

通过对客户机／服务器模式和浏览器／服务器模式的比较,详细介绍了两种模式的体系结构,并通过一个实例详细阐述了基于浏览器／服务器模式和ASP技术开发系统的设计思想和实现方法。     

测控设备web网络服务器化研究

为实现利用Internet自带的客户端浏览器对现场设备进行远程监控的目的,设计并实施了新型web网络服务器化远程测控系统。系统中测控设备内嵌嵌入式web服务器,既能自身作为测控终端直接采集数据,又能通过CAN总线与其他测控器进行组网,实现类似网关的功能。硬件设计主要包括：嵌入式web服务器模块、测控器模块以及其接口模块设计与实施。软件设计主要选用Linux操作系统和嵌入式web服务器Boa实现CGI技术,设计添加CAN控制器驱动程序后完成IE浏览器与嵌入式web服务器以及测控器三者之间的通信。利用该系统进行温度测试,实验成功并能满足实时性,充分表明利用Internet浏览器、嵌入式web服务器组建并控制CAN网络的新型远程测控系统的先进性与可行性。     

基于 Web 的农业杂草鉴别专家系统

基于Internet农业杂草鉴别专家系统包括Web浏览器、Web服务器、本地推理服务器、知识库服务器、知识库、COBRA分布式接口、本地数据库组成.可以实现网上多个专家系统的协同工作, 实现知识与功能的分布.     

适用于网络课程的矢量图平台的研究

探讨了如何实现一个适用于网络课程的矢量图平台，矢量图平台包括基于浏览器运行的客户端绘图环境，运行在网络服务器上的平台服务器。并阐述了设计开发过程中几个重点问题的研究和探索，提出了解决问题的方法和思路。主要论题为：系统体系结构；交互式绘图环境；图形数据的处理。     

多层结构可视化系统应用服务器的设计与实现

本文设计了一种基于多层结构的可视化系统核心的三层结构,并重点讨论了其应用服务器的设计与实现。应用服务器在系统中专门负责通信的控制,它利用Java的Socket和JNI技术进行前端Web浏览器和后端绘制服务器的通信连接和传输,并实现了多线程机制。实验表明,此系统结构更合理、更利于后期维护和扩展,能最大限度的降低对客户端的软硬件要求。     

Design, analysis, and implementation of an agent driven pull-based distributed video-on-demand system

The problem of employing multiple servers to serve a pool of clients on a network based multimedia service is addressed. We have designed and practically implemented a prototype system employing multiple servers to render a long duration movie to the customers. We have employed a multiple server retrieval strategy proposed in the literature [39] to realize this system. In the system, server coordination, client behavior and service facilities are completely controlled by an Agent based approach in which we have used the recent Jini technology. Several issues, ranging from data retrieval from individual server, behavior of the underlying network infrastructure, to client management and resource (client buffers) management, are considered in this implementation. We describe in detail our experiences in this complete design process of every module in the software architecture, its purpose, and working style. Further, the system is shown to be robust amidst unpredictable failures, i.e., in the event of server crashes. The load balancing capability is built-in as a safe guard measure to assure a continuous presentation. We present a comprehensive discussion on the software architecture to realize this working system and present our experiences. A system comprising a series of Pentium III PCs on a fast Ethernet network is built as a test-bed. Through this prototype, a wider scope of research challenges ahead are highlighted as possible extensions. Bharadwaj Veeravalli Member, IEEE & IEEE-CS, received his BSc in Physics, from Madurai-Kamaraj Uiversity, India in 1987, Master's in Electrical Communication Engineering from Indian Institute of Science, Bangalore, India in 1991 and PhD from Department of Aerospace Engineering, Indian Institute of Science, Bangalore, India in 1994. He did his post-doctoral research in the Department of Computer Science, Concordia University, Montreal, Canada, in 1996. He is currently with the Department of Electrical and Computer Engineering, Computer and Information Engineering (CIE) division, at The National University of Singapore, Singapore, as a tenured Associate Professor. His main stream research interests include, Multiprocessor systems, Cluster/Grid computing, Scheduling in parallel and distributed systems, Bioinformatics & Computational Biology, and Multimedia computing. He is one of the earliest researchers in the field of divisible load theory. He has published over 75 papers in high-quality International Journals and Conferences. He had secured several externally funded projects. He has co-authored three research monographs in the areas of Parallel and Distributed Systems, Distributed Databases, and Multimedia systems, in the years 1996, 2003, and 2005, respectively. He had guest edited a special issue on Cluster/Grid Computing for IJCA, USA journal in 2004. He has been recently invited to contribute to Multimedia Encyclopedia, Kluwer Academic Publishers, 2005. He is currently serving the Editorial Board of IEEE Transactions on Computers, IEEE Transactions on SMC-A and International Journal of Computers & Applications, USA, as an Associate Editor. He had served as a program committee member and as a session chair in several International Conferences. Long Chen received the B.E. degree in Electrical Engineering and M.E. degree in Electrical Engineering from the Northwestern Polytechnic University, P. R. China, in 1998 and 2001, respectively, and the M.E. degree in Computer Engineering from the National University of Singapore, Singapore, in 2004. He is currently a Ph.D. candidate at the Department of Electrical and Computer Engineering, the University of Delaware, United States. His research interests include multimedia systems, distributed system, network security, and computer architecture.     

基于XML的B/S模式下数据批量输入的一种方法

数据批量输入是B/S模式应用系统中经常遇到的一个待解决的问题。针对该问题提出了一种基于XML的实现方法,首先采用浏览器内置的文件上传控件功能将客户端中以Excel格式保存的缓存文件中的批量数据上传到服务器;然后在服务器端通过数据转换组件技术将其转换成XML格式;再以Web方式返回给客户端修改和确认;最后导入到服务器端数据库中保存,从而实现B/S模式下数据的批量输入。     

基于Intranet的图书馆Web检索系统的开发

主要分析了浏览器、Ｗｅｂ服务器与外部应用程序的两种接口方式ＣＧＩ和ＩＳＡＰＩ以及ＩＳＡＰＩ的工作流程。在此基础上介绍了作者开发的本单位Ｉｎｔｒａｎｅｔ网上的图书馆Ｗｅｂ信息检索系统。     

一种低功耗以太网数据采集器的设计与实现

介绍一种基于PIC24单片机和ENC28J60网络驱动芯片的采集器设计,给出了详细的系统电路原理图、软件流程及TCP/IP协议栈uIP的移植及配置的方法;并以UPS远程监控系统为应用实例,采集器以Web服务器方式供计算机在远程浏览UPS现场的实时数据,实现远程监控功能.     

基于uIP协议栈的嵌入式Web服务器的实现

为使数控系统具备网络访问功能,通过移植嵌入式TCP/IP协议栈—uIP,并且编写网络控制芯片驱动程序接口以及能实现HTTP协议的通用应用程序,使数控系统具备Web服务器的功能。用户可以使用PC接入Internet,通过标准浏览器远程监测数控系统的运行状态。     

JN: OS for an embedded Java network computer

In early 1996, the Computer Science Department at UC Santa Cruz agreed with National Semiconductor to design a custom embedded operating system to support the Java Virtual Machine (JVM). Our goal was to tightly integrate Java with a realtime kernel on a small, single-chip, embedded PC attached to the Internet. By the end of 1996, we had succeeded in implementing the first operating system designed and developed in an academic environment specifically to support Java. This article reviews the lessons we learned from what is most likely the first custom designed operating system-other than JavaSoft's JavaOS-that runs the complete JVM. Our current system, the Java nanokernel (JN), supports a simple Web server written in Java and provides a Java interface to a color Connectix camera