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Internet Infrastructure
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Hardware Infrastructure
Internet Service Providers
The internet relies on a number of hardware devices.
- Client - used to access the services provided by a server.
- Server - manages access to resources & services over a network.
- Network - a group of computers connected together to share resources.
- Router - a device that directs traffic where two or more networks meet.
- Connecting Backbone - the main network lines that connect together several smaller networks.
A company that provides access to the internet for a monthly fee.
In addition a number of other services are provided by the ISP. These are:
- Web hosting
- Online Support
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Internet Infrastructure
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What is the Internet?
PoPs & NAPs
A global network of interconnected computers.
Don't mistake this with the World Wide Web.
The internet is the network, the WWW is the massive collection of web pages that we access using the internet.
The Point of Presence is an access point to the internet.
An ISP will maintain several of their own PoPs in each region to provide good internet access.
The Network Access Point is where different ISPs connect to exchange data between their networks.