1_The internet Protocols

The Internet Protocols

• Point of Presence (PoP) Network Access Point (NAP)

Point of Presence (PoP)

• https://www.youtube.com/watch?v=vUD8U7eLbQ0 (Embed)
• This is your access point to the internet. Usually, it is a location that contains all the hardware that allows users to get on the internet.

Network Access Point (NAP)

• An interchange between networks on the internet. It allows ISPs to interconnect with each other.
• 

Internet Protocol (IP)

• https://www.youtube.com/watch?v=zyL1Fud1Z1c (Embed)
• This protocol is used to route packets of information across the internet.
• An individual unit of data which is carried across the network, including the internet. It is made up of a header which identifies the packet and a body which is the actual data message.

Transmission Control Protocol (TCP)

• https://www.youtube.com/watch?v=KlZ3uZiULWk (Embed)
• This is the protocol that takes data from a user's application program and passes it to the IP for transfer across the internet.

File transfer Protocol (FCP)

• https://www.youtube.com/watch?v=Spg0JFLc3KI (Embed)
• A standard protocol which allows files to be transferred between two computers on a TCP-based network .

Internet Service Provider (ISP)

• https://www.youtube.com/watch?v=_iInpeYsy3o (Embed)
• Direct connection to the internet would be very costly and so ISPs provide a cost-effective ISPs, with some of the most popular ones being BT (British Telecom), Virgin Media and Sky.gateway for people and organisations to get onto the internet.

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