Presentation On Web Server
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Web Server Presentation Transcript:
1.Web Server
A software program or server computer equipped to offer World Wide Web access.
Web servers allow you to serve content over the Internet using the Hyper Text Markup Language (HTML).
The Web server accepts requests from browsers like Netscape and Internet Explorer and then returns the appropriate HTML documents.
2.A web server is a computer with special software to host web pages and web applications.
A computer that provides Web services and pages to intranet and Internet users.
A web server serves web pages to clients across the Internet or an Intranet. The web server hosts the pages, scripts, programs, and multimedia files and serves them using HTTP, a protocol designed to send files to web browsers and other protocols.
3.A number of server-side technologies can be used to increase the power of the server beyond its ability to deliver standard HTML pages
These include CGI scripts, server-side includes, SSL security, and Active Server Pages(ASPs)
4.How Web servers Work - Overview
5.How Web servers Work - Overview Cont...
Perhaps the most important expansion on this was the concept of dynamic content (i.e., Web pages created in response to a user's input, whether directly or indirectly).
The oldest and most used standard for doing this is Common Gateway Interface (CGI)
It basically defines how a Web server should run programs locally and transmit their output through the Web server to the user's Web browser that is requesting the dynamic content.
6.How Web servers Work - Overview Cont...
7.Web Server and Browser Interaction
A Web Browser acts as an interface between the user and the Web server
The browser carries out the following on behalf of the user
Contacts a web server
Sends a request for information
Receives the information and
Displays it on the user's computer
8.How Does a Web Server Accept Connections?
Accept network connections from browsers
Retrieve content from disk
Run local CGI programs
Transmit data back to clients
Be as fast as possible
Support multi-threading and multi-processing
9.How Do You Organize Web Servers for Performance?
Dynamic content typically relies on heavy database usage or processing of other program code, which takes up many server-side resources.
Web site that has grown popular beyond its immediate means of serving content and ways to spread this load out
10.Load Balancing
DNS balancing (round-robin type)
Hardware load balancing
Software load balancing
Reverse proxying
Content spreading across hosts
Content spreading across outsourced providers
11.How Does Web Server Security Work?
Security of the data stream itself so that it may not be viewed or modified by a malicious third party
Security of the content itself -- the authentication and authorization of people to view and change that content
12.Personal Web Server
Microsoft's Personal Web Server (PWS) is a scaled-down version of the commercial Information Internet Server (IIS) included with the Server edition of Microsoft Windows NT.
Designed for Windows 95/98/ME and Windows NT Workstation users.
PWS is a great entry-level Web server that makes it easy to publish personal home pages, serve small Web sites, and share documents via a local intranet.
PWS is one of the best servers available for helping to get you up and running quickly.
13.Wizards are included to guide you through the process of setting up home pages and sharing files, and the PWS administrator reduces the complexity of actually running the Web server itself.
One of the best uses for PWS is as a platform for testing out Web sites on your Windows 95/Windows NT Workstation computers before hosting them on the Internet
This allows you to check the validity of links, scripts, and applications as well as to ensure that the overall organization of the site is functioning correctly
14.The server does include support for Active Server Pages (ASP), script debugging
PWS presents the ability to develop transactional Web applications using the Microsoft Transaction Server
No UNIX version, Lacks some of the more advanced features included with IIS, Only runs on Windows 95/98/ME Windows NT Workstation, Slower than IIS
15.Apache Web Server
Apache remains the king of Web servers despite intense efforts by Microsoft and Netscape to gain dominance in the market
Its cross-platform support, protocol support (HTTP/1.1), modularity (API), security, logging, and overall performance and robustness
Apache runs on Windows (95/98/NT), OS/2,and all the major variants of Unix
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Web Server Presentation Transcript:
1.Web Server
A software program or server computer equipped to offer World Wide Web access.
Web servers allow you to serve content over the Internet using the Hyper Text Markup Language (HTML).
The Web server accepts requests from browsers like Netscape and Internet Explorer and then returns the appropriate HTML documents.
2.A web server is a computer with special software to host web pages and web applications.
A computer that provides Web services and pages to intranet and Internet users.
A web server serves web pages to clients across the Internet or an Intranet. The web server hosts the pages, scripts, programs, and multimedia files and serves them using HTTP, a protocol designed to send files to web browsers and other protocols.
3.A number of server-side technologies can be used to increase the power of the server beyond its ability to deliver standard HTML pages
These include CGI scripts, server-side includes, SSL security, and Active Server Pages(ASPs)
4.How Web servers Work - Overview
5.How Web servers Work - Overview Cont...
Perhaps the most important expansion on this was the concept of dynamic content (i.e., Web pages created in response to a user's input, whether directly or indirectly).
The oldest and most used standard for doing this is Common Gateway Interface (CGI)
It basically defines how a Web server should run programs locally and transmit their output through the Web server to the user's Web browser that is requesting the dynamic content.
6.How Web servers Work - Overview Cont...
7.Web Server and Browser Interaction
A Web Browser acts as an interface between the user and the Web server
The browser carries out the following on behalf of the user
Contacts a web server
Sends a request for information
Receives the information and
Displays it on the user's computer
8.How Does a Web Server Accept Connections?
Accept network connections from browsers
Retrieve content from disk
Run local CGI programs
Transmit data back to clients
Be as fast as possible
Support multi-threading and multi-processing
9.How Do You Organize Web Servers for Performance?
Dynamic content typically relies on heavy database usage or processing of other program code, which takes up many server-side resources.
Web site that has grown popular beyond its immediate means of serving content and ways to spread this load out
10.Load Balancing
DNS balancing (round-robin type)
Hardware load balancing
Software load balancing
Reverse proxying
Content spreading across hosts
Content spreading across outsourced providers
11.How Does Web Server Security Work?
Security of the data stream itself so that it may not be viewed or modified by a malicious third party
Security of the content itself -- the authentication and authorization of people to view and change that content
12.Personal Web Server
Microsoft's Personal Web Server (PWS) is a scaled-down version of the commercial Information Internet Server (IIS) included with the Server edition of Microsoft Windows NT.
Designed for Windows 95/98/ME and Windows NT Workstation users.
PWS is a great entry-level Web server that makes it easy to publish personal home pages, serve small Web sites, and share documents via a local intranet.
PWS is one of the best servers available for helping to get you up and running quickly.
13.Wizards are included to guide you through the process of setting up home pages and sharing files, and the PWS administrator reduces the complexity of actually running the Web server itself.
One of the best uses for PWS is as a platform for testing out Web sites on your Windows 95/Windows NT Workstation computers before hosting them on the Internet
This allows you to check the validity of links, scripts, and applications as well as to ensure that the overall organization of the site is functioning correctly
14.The server does include support for Active Server Pages (ASP), script debugging
PWS presents the ability to develop transactional Web applications using the Microsoft Transaction Server
No UNIX version, Lacks some of the more advanced features included with IIS, Only runs on Windows 95/98/ME Windows NT Workstation, Slower than IIS
15.Apache Web Server
Apache remains the king of Web servers despite intense efforts by Microsoft and Netscape to gain dominance in the market
Its cross-platform support, protocol support (HTTP/1.1), modularity (API), security, logging, and overall performance and robustness
Apache runs on Windows (95/98/NT), OS/2,and all the major variants of Unix
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