Zusammenfassung der Ressource
the internet
- point of presence (PoP)
- an access point to the internet that normaly is
located in an area tat contains all hardware that
is needed to allow internet users to access the
internet.
- transmission controle protocal (TCP)
- the protocol which takes data from a user's aplication
program and passes it to ip for transferacross the
internet. the reverse operation is performed at the
destination computer, i.e. the TCP reassembles the data
(from individual packets) and forwards them to the
user’s application program. The close relation with the
IP means that the terms are usually used in
combination, i.e. TCP/IP.
- isp pervices
- In addition to providing a gateway to the
internet, ISPs normally provide additional
services such as email. Many also provide
web space for the development of
websites, technical support and
troubleshooting.
- internet service provider (ISP)
- Direct connection to the internet would be very costly and
so ISPs provide a cost-effective gateway for people and
organisations to get onto the internet. In the UK there are
many ISPs, with some of the most popular ones being BT
(British Telecom), Virgin Media and Sky.
- network access point (NAP)
- allows ISPs to interconnect with eachother
- internet protocol (IP)
- a unit of data is sent across a network, including the
internet. It is made up of a header which identifi es the
packet and a body which is the actual data message. It is
one of the functions of the Transmission Control Protocol
(TCP) to organise an internet message packet
- File Transfer protocol (FTP)
- A standard protocol which allows fi les to be
transferred between two computers on a
TCP-based network. It is commonly used to
download programs to your computer from other
servers and to upload web pages that you have
created to the server that is hosting them on the
internet.