Bedienungsanleitung Netgear WGR614v7 (Seite 151 von 154) (Englisch)

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54 Mbps Wireless Router WGR614v7 Reference Manual

Glossary -11

April 2006

For example, when a web page is downloaded from a web server, the TCP program layer in that server

divides the file into packets, numbers the packets, and then forwards them individually to the IP program

layer. Although each packet has the same destination IP address, it may get routed differently through the

network. At the other end, TCP reassembles the individual packets and waits until they have all arrived to

forward them as a single file.

TCP/IP

The underlying technology behind the Internet and communications between computers in a network. The

first part, TCP, is the transport part, which matches the size of the messages on either end and guarantees that

the correct message has been received. The IP part is the user's computer address on a network. Every

computer in a TCP/IP network has its own IP address that is either dynamically assigned at startup or

permanently assigned. All TCP/IP messages contain the address of the destination network as well as the

address of the destination station. This enables TCP/IP messages to be transmitted to multiple networks

(subnets) within an organization or worldwide.

TKIP

A security feature that is a WEP enhancement: Temporal Key Integrity Protocol and Message Integrity

Check (MIC) is a modification of WEP to defend against known attacks (WEP+ four patches for key

mixing, message integrity, rekeying, initialization vector protection)

Universal Plug and Play (UPnP)

UPnP helps devices, such as Internet appliances and computers, access the network and connect to other

devices as needed. UPnP devices can automatically discover the services from other registered UPnP

devices on the network.

USB (Universal Serial Bus)

A high-speed bidirectional serial connection between a PC and a peripheral that transmits data at the rate of

12 megabits per second. The new USB 2.0 specification provides a data rate of up to 480 Mbps, compared to

standard USB at only 12 Mbps. 1394, FireWire and iLink all provide a bandwidth of up to 400 Mbps.

VoIP (Voice over IP)

Voice transmission using Internet Protocol to create digital packets distributed over the Internet. VoIP can be

less expensive than voice transmission using standard analog packets over POTS (Plain Old Telephone

Service).

VPN (Virtual Private Network)

A type of technology designed to increase the security of information transferred over the Internet. VPN can

work with either wired or wireless networks, as well as with dial-up connections over POTS. VPN creates a

private encrypted tunnel from the end user's computer, through the local wireless network, through the

Internet, all the way to the corporate servers and database.

War Chalking

The act of making chalk marks on outdoor surfaces (walls, sidewalks, buildings, sign posts, trees) to indicate

the existence of an open wireless network connection, usually offering an Internet connection so that others

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