A report about Internet/intranet and server requirements

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A report about Internet/intranet and server requirements

The internet server

An Internet server delivers WebPages to computers via a telephone or

broadband connection called a dial up connection. This can be done to

computers anywhere in the world as long as they are connected to the

internet. An internet server has something called DNS enabling. This

allows a website to be found from that websites own server e.g. when

someone types www.microsoft.com, the website is associated to

Microsoft server so the website is delivered to your computer screen.

The Intranet Server

The intranet server is similar to the internet server as it delivers

WebPages to computers however it is for LAN (local area networks).

This means the pages are private and run through localised cabling.

The WebPages are not available to computers outside the LAN and dial

up connections are not enabled.

Organisation the internet and intranet

Internets are organised by numerous internet servers connected through

a permanent broadband connection. For protection the servers are

protected from other computers putting viruses and harmful materials

by firewalls.

Intranets are local so other computers outside the Local area network

(LAN) cannot connect to the network.

Ways of connected to the internet

1. Dial up modem-mainly used at home, works by dialing a telephone

number of an internet server and connects via that. Standard

connection is 56kb. This means it sends 56,000 bits per second.

2. LAN-Delivers the internet to a network of computers via a proxy

server. The proxy server connects to the internet and delivers the

internet to all the connected computers in a local area network.

3. ISDN (integrated services digital network)-a telephone connection

that is designed to deliver digital information for computers but also

can deliver audio signals for telephone conversations. It is generally

faster than standard modem connections, usually 64kb or 128kb per

second.

4. Broadband-Digital telephone connection that is constantly

connected, delivering data much quicker than other connections at

speeds 10, 20 or even 50 times quicker than your standard 56kb

connection. Instead of using a modem it uses a router allowing a

permanent connection.

Web Server Requirements

Web servers can be as fast or powerful as the user requires. This is

dependent on what system they are running. A standard internet server

will be 500MHZ, have 256MB of RAM and have around 8GB hard drive

space. Of course all of these can be expanded dependent on the users

needs. Also it depends on how many users are on the network. The more

users, the faster the server will be required to allow a good internet

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