Web Server IIS - BZU PAGES

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4 Δεκ 2013 (πριν από 3 χρόνια και 11 μήνες)

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BZUPAGES.COM

WEB SERVER


PRESENTED TO:

SIR AHMAD KAREEM

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Web Server


The primary function of a web server is to
deliver web pages to clients.


Deliver the HTML document to the clients.


Client initiates the request for specific
resource using HTTP.


And server responds with the content of
that resource, or an error message if
unable to do so



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Browser


Web
server

Html file


http request


http response

client

server

Processing of web page

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Some Important web servers


Apache


Microsoft IIS


Nginx


GWS


lighttpd




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Vendor

Product

Web Sites Hosted (millions)

Percent

Apache

Apache

111

54%

Microsoft

IIS

50

24%

Igor Sysoev

Nginx

16

8%

Google

GWS

15

7%

lighttpd

lighttpd

1

0%

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Market structure

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History of web servers

Words first web
server


In 1989 Tim Berners
-
Lee proposed to his employer


CERN(European Organization for Nuclear Research)


a new project, which had the goal of easing the


exchange of information between scientists by


using a hypertext system




As a result of the implementation of this project,


in 1990 Berners
-
Lee wrote two programs:



a browser called WorldWideWeb.


the world's first web server, later known as

“CERN httpd”, which ran on “NeXTSTEP”.


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Between 1991 and 1994 the simplicity and effectiveness
of early technologies used to surf and exchange data
through the World Wide Web helped to port them to
many different operating systems and spread their use
among lots of different social groups of people, first in
scientific organizations, then in universities and finally in
industry.


In 1994 Tim Berners
-
Lee decided to constitute the World
Wide Web Consortium to regulate the further
development of the many technologies involved (HTTP,
HTML, etc.) through a standardization process.

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Alia Ashraf

Roll No.07
-
19

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Common features



Virtual hosting



Large file support



Bandwidth throttling



Server
-
side scripting





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Common features


Virtual hosting


To serve many web sites using one IP
address.



Large file support


To be able to serve files whose size is
greater than 2 GB on 32 bit OS.

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Common features


Bandwidth throttling


To limit the speed of responses in order to
not saturate the network and to be able to
serve more clients.


Server
-
side scripting


To generate dynamic web pages, but still
keeping web server and web site
implementations separate from each other.


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Limitation of Web server



A web server has defined load limits



It can handle only a limited number of
concurrent client connections



usually between 2 and 80,000 per IP
address.

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Limitation of Web server


maximum number of requests per second
depending on


its own settings;


the HTTP request type;


content origin (static or dynamic);


the fact that the served content is or is not
cached;


the hardware and software limits of the OS
where it is working.

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Shafaque Mahmood

Roll No.07
-
02

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IIS


Internet Information Services


is used to make your computer a web
server


IIS is installed for developing dynamic
website or want to publish website on our
own server


IIS is used on windows plate form

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IIS


IIS takes request from user and executes
the required files and sends result back to
the user


IIS server also provides the services of
SMTP


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Advantages of IIS


No cost to acquire


Easy service management


Effortless performance monitoring


Robust security

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Disadvantages of IIS


Only works with the Windows OS


Not a terribly flexible web server


Difficult to control how URL's are parsed


If using two servers, the server
configurations must match exactly

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IIS installation



To install IIS you must have your operating
systems CD (Win XP or Win 2K).


Go to control panel and select "Add
Remove Programs".


From that window select "Add Remove
Windows Components".

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IIS installation



After this you can see Internet Information
Services checkbox. Select this and press
OK.



Installation will be started, during this
installation it will ask you to give the path
of your Windows CD

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IIS installation


Select from browse and give the path of
Windows CD.


After some time the installation process
will be done. And IIS can be used.