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题目：https://www.doczj.com/doc/7b16288234.html, language
ASP Active Server Page is the acronym meaning "Web server" is Microsfot company in November 1996 introduced WEB application development technology, it is not a programming language, is not a development tool, but a technical framework , not to use Microsoft products can be prepared by its code can be generated and implementation of dynamic, interactive, high efficiency of the server station applications. VBscript ASP can be used, such as javascript scripting language embedded into HTML, the Web site can be quickly completed applications, without compiler can be directly enforced in the server-side. Easy to prepare, using an ordinary text editor to prepare, such as Notepad can be completed. From the script on the server rather than the client running, ASP scripting language used by the end-all in the service runs on the client browser does not need to provide any other support, such a big boost to users and the interaction between the server speed. In addition, it can be built-in components to achieve greater functionality, such as the use of A-DO can easily access the database.
ASP for the working principle of the integration in the ASP Web site feature, the following things will occur:
1. out of site users, the default page extension yes. Asp.
2. the browser requests from the server, ASP document.
3, server-side scripting running ASP.
4. ASP, in accordance with the top down in the order paper started with the implementation of the script command, the Executive HTML page content.
5.pages of information sent to the browser.
Microsoft introduced the https://www.doczj.com/doc/7b16288234.html,. ASP This is not a simple upgrade, but the whole realization of a new generation of dynamic Web system for the establishment of a powerful WEB server applications. Microsoft is the development of the new architecture. NET part of the ASP and. NET technology combination. Provide component-based, event-driven form of programmable network, greatly simplifying the programming. https://www.doczj.com/doc/7b16288234.html, can also use
networking services. Out of site users, the default page extension yes. Aspx.
https://www.doczj.com/doc/7b16288234.html, from the previous ASP scripting language used to programming flaws, in theory, can use any programming language, including C + +, VB, JS, and so on, of course, the most suitable for MS or programming language. Launched specialized Net Frmaework C # (read c sharp), which can be seen as a VC and a mixture of Bar Java, although C # MS say more as the core of VC, but in fact, I still believe it and some more like Java. First, it is object-oriented programming language, rather than a script, it has object-oriented programming language all the characteristics, such as encapsulation, inheritance, polymorphism, etc., which solved the mentioned The ASP of those weaknesses. Packaging code of logic makes clear, easy-to-manage, and applications to https://www.doczj.com/doc/7b16288234.html, on business logic and can Html page separation, so no matter what changes prototype pages, business logic code are not required to make any changes; inheritance and more Normality of making code reusable greatly improved, you can through inheritance has been the object of maximum protection of your previous investments. And the C # and C + +, Java provides a sound like debugging / error correction system.
ASP and https://www.doczj.com/doc/7b16288234.html, distinction:
Development of the different languages
ASP is confined to the non-use scripting language to develop type, users WEB page add to the ASP code methods and client-side script code to add the same way, resulting in code mess.
https://www.doczj.com/doc/7b16288234.html, allows users to select and improve the functional use of strongly-type programming language, allowing the use of the huge increase submarine. NET Framework.
Different operating mechanism
ASP is a programming framework to explain the operation, increase the efficiency of low.
https://www.doczj.com/doc/7b16288234.html, is the compiler of the programming framework, running on the server is compiled common language runtime library code, we can use early binding, the compiler to improve efficiency.
3. Development of different ways
ASP interface design and the design process mix, maintenance and reuse difficult.
https://www.doczj.com/doc/7b16288234.html, interface design and the design process to different documents, left, reuse and maintenance has been enhanced.
Web development with the previous model compared https://www.doczj.com/doc/7b16288234.html, provides several important advantages:
1. Enhanced performance. https://www.doczj.com/doc/7b16288234.html, on the server is running good common language runtime compiler for code. And the different interpretation of the older generation, https://www.doczj.com/doc/7b16288234.html, can use early binding, in-time compiler, the machine optimization and caching service box. This is equivalent to the preparation of lines of code before they significantly improve performance.
2. World-class tools support. https://www.doczj.com/doc/7b16288234.html, framework complements the Visual Studio integrated development environment and a large number of toolkit for the design. WYSIWYG editing, drag-and-drop server controls and automatic deployment of this powerful tool is provided by the function in a few.
3. Power and flexibility. Because https://www.doczj.com/doc/7b16288234.html, based on common language runtime, Web application developers can use the power of the platform and flexibility. . NET Framework class libraries, information processing and data access solutions can be seamless access from the Web. https://www.doczj.com/doc/7b16288234.html, has nothing to do with language, so can choose the most appropriate application of language, or languages-segmentation applications. In addition, the common language runtime library, interactive ensure that migration to https://www.doczj.com/doc/7b16288234.html, retain COM-based development of the existing investment.
4. Simplicity. https://www.doczj.com/doc/7b16288234.html, to implement common tasks easier, from the simple form and submit to the client authentication deployment and site configuration. For example, https://www.doczj.com/doc/7b16288234.html, page framework so you can be generated with the application logic code that clearly separate from the user interface, similar to Visual Basic and in the simple form processing model in handling the incident. In addition, the common language runtime using managed code services (such as automatic garbage collection and reference count) simplifies the development.
5. Management. https://www.doczj.com/doc/7b16288234.html, using text-based hierarchical configuration of the system, will
be set up to streamline the application server environment and Web applications. The configuration information is stored in plain text form, it can be in the absence of management tools to help local circumstances application of new settings. This "zero local management" philosophy also extends to the framework of https://www.doczj.com/doc/7b16288234.html, application deployment. Simply copy the necessary files to the server, https://www.doczj.com/doc/7b16288234.html, framework will be deployed to the application server. No need to re-start the server, even in the deployment or replacement operation code compiler.
6. Scalability and availability. https://www.doczj.com/doc/7b16288234.html, considered in the design of a scalable, an increase of gathering devoted to the environment and in the multi-processor environment to improve performance function. In addition, the process https://www.doczj.com/doc/7b16288234.html, runtime close monitoring and management, so that when the process is not normal behavior (leakage, Deadlock), and may create a new process to help keep applications always can be used to deal with the request.
7. Custom and scalability. https://www.doczj.com/doc/7b16288234.html, attached a thoughtful design of the structure, it enables developers can be at the appropriate level "insert" code. In fact, can be used to prepare their own custom component expansion or replacement of any https://www.doczj.com/doc/7b16288234.html, runtime components son. Implementation custom authentication or state services has not been much easier.
8. Security. With the built-in Windows authentication, and each application based on the configuration of applications can guarantee it is safe.
译文
题目：https://www.doczj.com/doc/7b16288234.html,语言
ASP是Active Server Page的缩写，意为“活动服务器网页”,是Microsfot公司1996年11月推出的WEB应用程序开发技术，它既不是一种程序语言，也不是一种开发工具，而是一种技术框架，不须使用微软的产品就能编写它的代码，能产生和执行动态、交互式、高效率的站占服务器的应用程序。运用ASP可将VBscript、javascript等脚本语言嵌入到HTML中，便可快速完成网站的应用程序，无需编译，可在服务器端直接执行。容易编写，使用普通的文本编辑器编写，如记事本就可以完成。由脚本在服务器上而不是客户端运行，ASP所使用的脚本语言都在服务端上运行，用户端的浏览器不需要提供任何别的支持，这样大提高了用户与服务器之间的交互的速度。此外，它可通过内置的组件实现更强大的功能，如使用A-DO可以轻松地访问数据库。
ASP的工作原理为当在Web站点中融入ASP功能后，将发生以下事情：
1、用户调出站点内容，默认页面的扩展名是.asp。
2、浏览器从服务器上请求ASP文件。
3、服务器端脚本开始运行ASP。
4、ASP文件按照从上到下的顺序开始处理，执行脚本命令，执行HTML页面内容。
5、页面信息发送到浏览器。
之后，微软又推出https://www.doczj.com/doc/7b16288234.html,。这不是ASP的简单升级，而是全新一代的动态网页实现系统，用于一台WEB服务器建立强大的应用程序。是微软发展的新体系结构.NET 的一部分，是ASP和.NET技术的结合。提供基于组件、事件驱动的可编程网络表单，大大简化了编程。还可以用https://www.doczj.com/doc/7b16288234.html,建立网络服务。用户调出站点内容，默认页面的扩展名是.aspx。
https://www.doczj.com/doc/7b16288234.html,摆脱了以前ASP使用脚本语言来编程的缺点，理论上可以使用任何编程语言包括C++ , VB , JS等等，当然，最合适的编程语言还是MS为.Net Frmaework专门推出的C#(读c sharp)，它可以看作是VC和Java的混合体吧，尽管MS自己讲C#内核中更多的象VC，但实际上我还是认为它和Java更象一些。首先它是面向对象的编程语言，而不是一种脚本，所以它具有面向对象编程语言的一切特性，比如封装性、继承性、多态性等等，这就解决了刚才谈到的ASP的那些弱点。封装性使得代码逻辑清晰，易于管理，并且应用到https://www.doczj.com/doc/7b16288234.html,上就可以使业务逻辑和Html页面分离，这样无论页面原型如何改变，业务逻辑代码都不必做任何改动；继承性和多态性使得代码的可重用性大大提高，你可以通过继承已有的对象最大限度保护你以前的投资。并且C#和C++、
Java一样提供了完善的调试/纠错体系。
ASP与https://www.doczj.com/doc/7b16288234.html,的区别：
1.开发语言不同
ASP仅局限于使用non-type脚本语言来开发，用户给WEB页中添加ASP代码的方法与客户端脚本中添加代码的方法相同，导致代码杂乱。
https://www.doczj.com/doc/7b16288234.html,允许用户选择并使用功能完善的strongly-type编程语言，也允许使用潜加巨大的.NET Framework。
2.运行机制不同
ASP是解释运行的编程框架，所以执行效率加较低。
https://www.doczj.com/doc/7b16288234.html,是编译性的编程框架，运行是服务器上的编译好的公共语言运行时库代码，可以利用早期绑定，实施编译来提高效率。
3.开发方式不同
4.ASP把界面设计和程序设计混在一起，维护和重用困难。
https://www.doczj.com/doc/7b16288234.html,把界面设计和程序设计以不同的文件分离开，复用性和维护性
得到了提高。
与以前的Web 开发模型相比，https://www.doczj.com/doc/7b16288234.html,提供了数个重要的优点：
1．增强的性能。https://www.doczj.com/doc/7b16288234.html,是在服务器上运行的编译好的公共语言运行库代码。与被解释的前辈不同，https://www.doczj.com/doc/7b16288234.html,可利用早期绑定、实时编译、本机优化和盒外缓存服务。这相当于在编写代码行之前便显著提高了性能。
２．世界级的工具支持。https://www.doczj.com/doc/7b16288234.html,框架补充了Visual Studio 集成开发环境中的大量工具箱和设计器。WYSIWYG编辑、拖放服务器控件和自动部署只是这个强大的工具所提供功能中的少数几种。
３．威力和灵活性。由于https://www.doczj.com/doc/7b16288234.html,基于公共语言运行库，因此Web 应用程序开发人员可以利用整个平台的威力和灵活性。.NET 框架类库、消息处理和数据访问解决方案都可从Web无缝访问。https://www.doczj.com/doc/7b16288234.html,也与语言无关，所以可以选择最适合应用程序的语言，或跨多种语言分割应用程序。另外，公共语言运行库的交互性保证在迁移到https://www.doczj.com/doc/7b16288234.html, 时保留基于COM 的开发中的现有投资。
４．简易性。https://www.doczj.com/doc/7b16288234.html,使执行常见任务变得容易，从简单的窗体提交和客户端身份验证到部署和站点配置。例如，https://www.doczj.com/doc/7b16288234.html,页框架使您可以生成将应用程序逻辑与表示代码清楚分开的用户界面，和在类似Visual Basic的简单窗体处理模型中处理事件。另外，公共语言运行库利用托管代码服务（如自动引用计数和垃圾回收）简化了开发。
５．可管理性。https://www.doczj.com/doc/7b16288234.html,采用基于文本的分层配置系统，简化了将设置应用于服务器环境和Web 应用程序。由于配置信息是以纯文本形式存储的，因此可以在没有本地管理工具帮助的情况下应用新设置。此"零本地管理"哲学也扩展到了https://www.doczj.com/doc/7b16288234.html,框架应用程序的部署。只需将必要的文件复制到服务器，即可将https://www.doczj.com/doc/7b16288234.html,框架应用程序部署到服务器。不需要重新启动服务器，即使是在部署或替换运行的编译代码时。
６．可缩放性和可用性。https://www.doczj.com/doc/7b16288234.html, 在设计时考虑了可缩放性，增加了专门用于在聚集环境和多处理器环境中提高性能的功能。另外，进程受到https://www.doczj.com/doc/7b16288234.html,运行库的密切监视和管理，以便当进程行为不正常（泄漏、死锁）时，可就地创建新进程，以帮助保持应用程序始终可用于处理请求。
７．自定义性和扩展性。https://www.doczj.com/doc/7b16288234.html,随附了一个设计周到的结构，它使开发人员可以在适当的级别"插入"代码。实际上，可以用自己编写的自定义组件扩展或替换https://www.doczj.com/doc/7b16288234.html, 运行库的任何子组件。实现自定义身份验证或状态服务一直没有变得更容易。
８．安全性。借助内置的Windows 身份验证和基于每个应用程序的配置，可以保证应用程序是安全的。
外文资料译文及原文 Java Java I/O 系统 对编程语言的设计者来说，创建一套好的输入输出(I/O)系统，是一项难度极高的任务。 这一点可以从解决方案的数量之多上看出端倪。这个问题难就难在它要面对的可能性太多了。不仅是因为有那么多I/O的源和目地(文件，控制台，网络连接等等)，而且还有很多方法(顺序的『sequential』，随机的『random-access』，缓存的『buffered』，二进制的『binary』，字符方式的『character』，行的『by lines』，字的『by words』，等等)。 Java类库的设计者们用"创建很多类"的办法来解决这个问题。坦率地说Java I/O系统的类实在是太多了，以至于初看起来会把人吓着（但是，具有讽刺意味的是，这种设计实际上是限制了类的爆炸性增长）。此外，Java在1.0版之后又对其I/O类库作了重大的修改，原先是面向byte的，现在又补充了面向Unicode字符的类库。为了提高性能，完善功能，JDK 1.4又加了一个nio(意思是"new I/O"。这个名字会用上很多年)。这么以来，如果你想对Java的I/O 类库有个全面了解，并且做到运用自如，你就得先学习大量的类。此外，了解 I/O类库的演化的历史也是相当重要的。可能你的第一反应是"别拿什么历史来烦我了，告诉我怎么用就可以了！"但问题是，如果你对这段历史一无所知，很快就会被一些有用或是没用的类给搞糊涂了。
本章会介绍Java标准类库中的各种I/O类，及其使用方法。 File 类 在介绍直接从流里读写数据的类之前，我们先介绍一下处理文件和目录的类。 File类有一个极具欺骗性的名字；或许你会认为这是一个关于文件的类，但它不是。你可以用它来表示某个文件的名字，也可以用它来表示目录里一组文件的名字。如果它表示的是一组文件，那么你还可以用list( )方法来进行查询，让它会返回String数组。由于元素数量是固定的，因此数组会比容器更好一些。如果你想要获取另一个目录的清单，再建一个File对象就是了。实际上，叫它"FilePath"可能会更好一些。下面我们举例说明怎样使用这个类及其相关的FilenameFilter接口。 目录列表器 假设你想看看这个目录。有两个办法。一是不带参数调用list( )。它返回的是File对象所含内容的完整清单。但是，如果你要的是一个"限制性列表(restricted list)"的话——比方说，你想看看所有扩展名为.java的文件——那么你就得使用"目录过滤器"了。这是一个专门负责挑选显示File对象的内容的类。 下面就是源代码。看看，用了java.utils.Arrays.sort( )和11章的AlphabeticComparator之后，我们没费吹灰之力就对结果作了排序(按字母顺序)： //: c12:DirList.java // Displays directory listing using regular expressions. // {Args: "D.*\.java"} import java.io.*; import java.util.*; import java.util.regex.*; import com.bruceeckel.util.*; public class DirList { public static void main(String[] args) { File path = new File("."); String[] list; if(args.length == 0) list = path.list(); else list = path.list(new DirFilter(args[0])); Arrays.sort(list, new AlphabeticComparator());
Extreme https://www.doczj.com/doc/7b16288234.html, 1.1Web Deployment Projects When ASP was first released, Web programming was more difficult because you needed IIS to serve your ASP pages. Later, https://www.doczj.com/doc/7b16288234.html, 2.0 and Visual Studio? 2005 made everything easier by introducing the Web site model of development. Instead of creating a new project inside Visual Studio, the Web site model lets you point to a directory and start writing pages and code. Furthermore, you can quickly test your site with the built-in https://www.doczj.com/doc/7b16288234.html, Development Server, which hosts https://www.doczj.com/doc/7b16288234.html, in a local process and obviates the need to install IIS to begin developing. The beauty of the Web site model is that you can develop your Web application without thinking about packaging and deployment. Need another class? Add a .cs file to the App_Code directory and start writing. Want to store localizable strings in a resource file? Add a .resx file to the App_GlobalResources directory and type in the strings. Everything just works; you don't have to think about the compilation and deployment aspect at all. When you are ready to deploy, you have several options. The simplest choice is to copy your files to a live server and let everything be compiled on-demand (as it was in your test environment). The second option is to use the aspnet_compiler.exe utility and precompile the application into a binary release, which leaves you nothing but a collection of assemblies, static content, and configuration files to push to the server. The third option is to again use aspnet_compiler.exe, but to create an updateable binary deployment where your .as*x files remain intact (and modifiable) and all of your code files are compiled into binary assemblies. This seems to cover every possible scenario, leaving the developer to focus simply on writing the Web application, with packaging and deployment decisions to be made later when the application is actually deployed. There was a fair amount of backlash against this model, however, especially from developers who were used to their Web projects being real projects, specified in real project files, that let you inject pre-and post-build functions, exclude files from the build process, move between debug and release builds with a command-line switch, and so on. In response, Microsoft quickly introduced the Web Application Project or WAP, initially released as an add-in to Visual Studio 2005, and now included in Visual Studio 2005 Service available for download from https://www.doczj.com/doc/7b16288234.html,/vstudio/support/vs2005sp1. WAP provides an alternative to the Web site model that is much closer to the Visual Studio .NET 2005 Web Project model. The new WAP model compiles all of the source code files during the build process and generates a single assembly in the local /bin directory for deployment. WAP also makes it much easier to incrementally adopt the new partial class codebehind model
计算机网络新技术外文翻译文献 (文档含中英文对照即英文原文和中文翻译) 译文: 计算机网络新技术 摘要 21世纪是一个信息时代的经济，计算机网络技术是这个时期的代表技术，以非常快的、具创造性得不断地发展，并将深入到人民群众的工作，生活和学习中。因此，控制这种技术看起来似乎具有很重要的意义。现在，我主要是采用新技术的几种网络技术在现实生活的应用。 关键字 因特网数字证书数字银包网格存储 3G
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计算机网络安全综述学生姓名：李嘉伟 学号：11209080279 院系：信息工程学院指导教师姓名：夏峰二零一三年十月
［摘要］ 随着计算机网络技术的快速发展，网络安全日益成为人们关注的焦点。本文分析了影响网络安全的主要因素及攻击的主要方式，从管理和技术两方面就加强计算机网络安全提出了针对性的建议。 ［关键词］ 计算机网络；安全；管理；技术；加密；防火墙 一．引言 计算机网络是一个开放和自由的空间，但公开化的网络平台为非法入侵者提供了可乘之机，黑客和反黑客、破坏和反破坏的斗争愈演愈烈，不仅影响了网络稳定运行和用户的正常使用，造成重大经济损失，而且还可能威胁到国家安全。如何更有效地保护重要的信息数据、提高计算机网络的安全性已经成为影响一个国家的政治、经济、军事和人民生活的重大关键问题。本文通过深入分析网络安全面临的挑战及攻击的主要方式，从管理和技术两方面就加强计算机网络安全提出针对性建议。
二．正文 1.影响网络安全的主要因素［1］ 计算机网络安全是指“为数据处理系统建立和采取的技术和管理的安全保护，保护计算机硬件、软件数据不因偶然和恶意的原因而遭到破坏、更改和泄漏”。计算机网络所面临的威胁是多方面的，既包括对网络中信息的威胁，也包括对网络中设备的威胁，但归结起来，主要有三点：一是人为的无意失误。如操作员安全配置不当造成系统存在安全漏洞，用户安全意识不强，口令选择不慎，将自己的帐号随意转借他人或与别人共享等都会给网络安全带来威胁。二是人为的恶意攻击。这也是目前计算机网络所面临的最大威胁，比如敌手的攻击和计算机犯罪都属于这种情况，此类攻击又可以分为两种：一种是主动攻击，它以各种方式有选择地破坏信息的有效性和完整性；另一类是被动攻击，它是在不影响网络正常工作的情况下，进行截获、窃取、破译以获得重要机密信息。这两种攻击均可对计算机网络造成极大的危害，并导致机密数据的泄漏。三是网络软件的漏洞和“后门”。任何一款软件都或多或少存在漏洞，这些缺陷和漏洞恰恰就是黑客进行攻击的首选目标。绝大部分网络入侵事件都是因为安全措施不完善，没有及时补上系统漏洞造成的。此外，软件公司的编程人员为便于维护而设置的软件“后门”也是不容忽视的巨大威胁，一旦“后门”洞开，别人就能随意进入系统，后果不堪设想。
Java and the Internet If Java is, in fact, yet another computer programming language, you may question why it is so important and why it is being promoted as a revolutionary step in computer programming. The answer isn’t immediately obvious if you’re coming from a traditional programming perspective. Although Java is very useful for solving traditional stand-alone programming problems, it is also important because it will solve programming problems on the World Wide Web. 1.Client-side programming The Web’s in itial server-browser design provided for interactive content, but the interactivity was completely provided by the server. The server produced static pages for the client browser, which would simply interpret and display them. Basic HTML contains simple mechanisms for data gathering: text-entry boxes, check boxes, radio boxes, lists and drop-down lists, as well as a button that can only be programmed to reset the data on the form or “submit” the data on the form back to the server. This submission passes through the Common Gateway Interface (CGI) provided on all Web servers. The text within the submission tells CGI what to do with it. The most common action is to run a program located on the server in a directory that’s typically called “cgi-bin.” (If you watch the address window at the top of your browser when you push a button on a Web page, you can sometimes see “cgi-bin” within all the gobbledygook there.) These programs can be written in most languages. Perl is a common choice because it is designed for text manipulation and is interpreted, so it can be installed on any server regardless of processor or operating system. Many powerful Web sites today are built strictly on CGI, and you can in fact do nearly anything with it. However, Web sites built on CGI programs can rapidly become overly complicated to maintain, and there is also the problem of response time. The response of a CGI program depends on how much data must
毕业设计(论文)外文资料翻译 学院 专业 学生姓名 班级学号 外文出处 附件：1.外文资料翻译译文；2.外文原文 指导教师评价： 1．翻译内容与课题的结合度：□优□良□中□差2．翻译内容的准确、流畅：□优□良□中□差3．专业词汇翻译的准确性：□优□良□中□差4．翻译字符数是否符合规定要求：□符合□不符合 指导教师签名： 年月日
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网络安全外文翻译文献 (文档含英文原文和中文翻译) 翻译： 计算机网络安全与防范 1.1引言 计算机技术的飞速发展提供了一定的技术保障，这意味着计算机应用已经渗透到社会的各个领域。在同一时间，巨大的进步和网络技术的普及，社会带来了巨大的经济利润。然而，在破坏和攻击计算机信息系统的方法已经改变了很多的网络环境下，网络安全问题逐渐成为计算机安全的主流。
1.2网络安全 1.2.1计算机网络安全的概念和特点 计算机网络的安全性被认为是一个综合性的课题，由不同的人，包括计算机科学、网络技术、通讯技术、信息安全技术、应用数学、信息理论组成。作为一个系统性的概念，网络的安全性由物理安全、软件安全、信息安全和流通安全组成。从本质上讲，网络安全是指互联网信息安全。一般来说，安全性、集成性、可用性、可控性是关系到网络信息的相关理论和技术，属于计算机网络安全的研究领域。相反，狭隘“网络信息安全”是指网络安全，这是指保护信息秘密和集成，使用窃听、伪装、欺骗和篡夺系统的安全性漏洞等手段，避免非法活动的相关信息的安全性。总之，我们可以保护用户利益和验证用户的隐私。 计算机网络安全有保密性、完整性、真实性、可靠性、可用性、非抵赖性和可控性的特点。 隐私是指网络信息不会被泄露给非授权用户、实体或程序，但是授权的用户除外，例如，电子邮件仅仅是由收件人打开，其他任何人都不允许私自这样做。隐私通过网络信息传输时，需要得到安全保证。积极的解决方案可能会加密管理信息。虽然可以拦截，但它只是没有任何重要意义的乱码。 完整性是指网络信息可以保持不被修改、破坏，并在存储和传输过程中丢失。诚信保证网络的真实性，这意味着如果信息是由第三方或未经授权的人检查，内容仍然是真实的和没有被改变的。因此保持完整性是信息安全的基本要求。 可靠性信息的真实性主要是确认信息所有者和发件人的身份。 可靠性表明该系统能够在规定的时间和条件下完成相关的功能。这是所有的网络信息系统的建立和运作的基本目标。 可用性表明网络信息可被授权实体访问，并根据自己的需求使用。 不可抵赖性要求所有参加者不能否认或推翻成品的操作和在信息传输过程中的承诺。
中文翻译 基于Java技术的Web应用设计模型的比较研究 来源：School of Computer Science and Engineering University of New South Wales Sydney, NSW 2052, Australia 作者：Budi Kurniawan and Jingling Xue 摘要 Servlet技术是在建立可扩展性Web应用中被应用最广泛的技术。在运用JAVA技术开发Web应用中有四种模型,分别是:Model 1、Model 2、Struts和JavaServer Faces JSF。Model 1使用一连串的JSP页面，Model 2采用了模型，视图，控制器MVC模式。Struts是一个采用了Model 2设计模型的框架，JSF是一种支持ready-to-use组件来进行快速Web应用开发的新技术。Model 1对于中等和大型的应用来说很难维护，所以不推荐使用。本文通过利用Model 2、Struts和JSF这三种模型分别构建三个不同版本的在线商店应用程序来比较和评价这三种模型在应用程序开发和性能上的差异。 1.绪论 当今Web应用是一种展现动态内容的最普遍的方式。构建Web应用有许多种方法，其中最流行的是Servlet技术。这种技术的流行是因为它比CGI、PHP等其他技术更具优越性。然而Servlet对于开发来说还是麻烦的，因为它在传送HTML 标签时需要程序员将他们组合成为一个字符串对象，再将这个对象传给浏览器。同样的，对于输出的一个很小的改动也要求Servlet被重新编译。基于这个原因SUN 公司发明了JavaServer Pages JSP技术。JSP允许HTML标签和Java代码混合在
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