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IIS Technologies

IIS Technologies. Introduction. Designed to deliver high speed and secure information publishing Serves as a platform for developers to extend internet standard communication capabilities Runs as a Windows NT 4.0 (Option Pack) service . IIS Components.

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IIS Technologies

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  1. IIS Technologies

  2. Introduction • Designed to deliver high speed and secure information publishing • Serves as a platform for developers to extend internet standard communication capabilities • Runs as a Windows NT 4.0 (Option Pack) service

  3. IIS Components • Full Scale publishing includes following components • Transport Services • Client applications • Administrative Tools • Database Connectivity • Encrypted Communication

  4. Purpose Hypertext Publishing File Transfer ODBC Gateway Encrypted Comm. Server Admn. Hypertext Clients Component WWW Server FTP Server Internet D/Base Con. Secure Socket Layer Internet Service Mgr. Browsers IIS 4.0 Components

  5. IIS 4.0 Installation • Installed as a component of WinNT4.0 • Run the set up wizard to install web services and various other components • Simply check the items to be installed

  6. IIS 4.0 Management • IIS 4.0 introduces Microsoft Management Console (MMC) a window based tool that enables the management of all the web services & applications from a single window

  7. Web Site Content • HTML Pages • HTML Code • Client Side Scripts • Active Server Pages (ASPs) • HTML Code • Client & Server Side Scripts • Components

  8. Web Content Creation Tools • Hypertext Text Markup Language (HTML), Dynamic HTML • Scripting Languages • JavaScript, Jscript and VBScript • Component Creation Languages • VisualBasic, Java, VisualC++, VisualJ++ etc.

  9. Content Authoring & Management Environment • FrontPage • InterDev6.0 • IIS Application (VB6.0 Feature) • HTML Editors

  10. Content Publishing Environment • Web Servers • Microsoft Internet Information Server 4.0 • Netscape Communication Server for WinNT • Netscape Communication Server for Unix • Novell Netware Web Server

  11. ASP Technology • Active Server Page (ASP) is an open environment where one can combine HTML, scripts and reusable components to create dynamic and powerful web-based business solutions • ASP runs as service of web server and is optimised for multiple threads & multiple users

  12. ASP File • File created with Active server Pages have the extension .ASP • ASP file is simply a file that contains HTML, scripts & calls to components • When a change is made in the ASP file on the server, you need only save the changes to the file – the next time web page is loaded, the script will automatically be compiled

  13. ASP Built-in Objects • Request • To get information from the user • Response • To send information to the user • Server • To control the IIS

  14. ASP Built-in Objects • Session • To store information about the user’s current web-server session • Application • To share application-level information & control settings for the life-time of the application

  15. Examples of ASP Applications • A web-based Personnel Information System (Leave Monitoring System, HBA Monitoring System and other modules which form part of employee’s career cycle) • Integrated on-line store, inventory and order-processing system

  16. Dynamic HTML • HTML provides limited interactivity to web pages • DHTML extends HTML with an object model allowing scripting of the objects to change the styles and attributes of page elements • Allows developers to bring more creativity and control to web pages, thereby adding dynamic behaviour

  17. Examples of DHTML Use • Business Applications • DHTML can help build dynamic forms (e.g. master detail order entry forms) and can respond to user input, recalculate on the fly and obtain additional information in the background • Interactive Documents • Documents delivered over the internet are essentially confined to page-by-page metaphor, whereas DHTML creates interactive documents that responds instantly to user actions

  18. Examples of DHTML Use • Dynamic Expansion • With DHTML Search Result pages can be programmed using scripts to provide a detailed listing as the mouse passes over it thereby, eliminating redundant fetches from the server • Table Manipulation • Tabular data such as Price lists can be sorted, filtered & viewed using local database engine

  19. IIS Application • An IIS (Internet Information Server) application is a Visual Basic application that lives on a Web server and responds to requests from the browser • An IIS application uses HTML to present its user interface and uses compiled Visual Basic code to process requests and respond to events in the browser

  20. IIS Application • To the user, an IIS application appears to be made up of a series of HTML pages • To the developer, an IIS application is made up of a special type of object called a webclass, that in turn contains a series of resources called webitems

  21. IIS Application • The webclass acts as the central functional unit of the application, processing data from the browser and sending information to the users • A series of procedures are defined that determine how the webclass responds to these requests • The webitems are the HTML pages and other data the webclass can send to the browser in response to a request

  22. IIS Application vs ASP Application • IIS applications bear a superficial resemblance to Active Server Pages applications • Both types of applications present dynamic Web sites and perform their processing on the server rather than the client

  23. IIS Application vs ASP Application • However, each has its unique advantages. Active Server Pages are for script developers interested in authoring Web pages, and offer the unique capability of intermingling script with HTML • IIS applications are for Visual Basic developers building Web-based applications, rather than Web pages. IIS applications allow for complicated business processing and easy access from almost any browser or platform

  24. IIS Application vs DHTML Application • Like IIS applications, DHTML applications also allow you to respond to events in an HTML page. However, there are several key differences between the two types of applications: • Object model — DHTML applications use a different object model than IIS applications to access and work with the elements on an HTML page. While IIS applications use the Active Server Pages object model, DHTML applications use the DHTML object model

  25. IIS Application vs DHTML Application • Location of processing — IIS applications are designed to perform most of their processing on the Web server, but DHTML applications perform most of their processing on the browser machine. You do not create any Web server components when you create a DHTML application • Dependency — DHTML applications are intended for use on intranets, and are dependent on Internet Explorer 4.0 or later, while IIS applications can be used on the Internet or an intranet. End users of an IIS application do not need a specific operating system or browser

  26. Browser-IIS Interaction • Browser sends an HTTP request to the IIS for a page on the web server • The web server gets the requested page and processes the server side scripts, (which are enclosed within delimiters “<%” and “%>). The scripts can assign values to variables or request information from server (interaction with other tiers)

  27. Browser-IIS Interaction • The processed page containing only HTML and client-side scripts, if any, is sent to the browser

  28. Case Study – Web based Reports of RuralSoft • RuralSoft Reports are a combination of IIS Application and ASP based web pages • The web-site to host the Reports is prepared using ASP technology (InterDev6.0) and the actual reports have been developed using IIS Application, thus combining the power of the two technologies

  29. Case Study – Web based Reports of RuralSoft • The Reports further interact with data services components residing in Microsoft Transaction Server (MTS) to fetch the data from the database

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