Other s – JVC SA-DV6000 User Manual

Page 42

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68

Other

s

T

erminology

●

IP ad

dress

Identification number assigned to each computer that is connected to a network.

The address is used for communication between

network devices.

●

LAN (Local Area Netw

ork)

A

network structured within a relatively small range such as in a single building or an of

fice of a company

.

●

DHCP (Dynamic Host Contr

ol Pr

otocol)

Method of automatically assigning IP

address within a network. When a computer is connected to a network, the DHCP

server

automatically assigns the IP

address.

●

W

AN (Wide Area Netw

ork)

A

network structured within a wide area such as between the main of

fice of a company and its branch of

fices. Internet is also

generally referred to as W

AN.

●

Netmask

An IP

address has the following two roles: 1) address for identifying the network, and 2) address for identifying individual co

mputers.

Netmask is a 32-bit value that defines the number of bits of the IP

address to use for identifying the network.

●

Gate

wa

y

Hardware and software that translates dif

ferent types of protocols when a computer communicates with another computer outside t

he

network.

The gateway IP

address is referred to as the gateway address.

●

R

TP (Realtime

T

ranspor

t Pr

otocol)

Protocol to transmit in realtime digitalized video/audio data via a network.

●

R

TSP (Real

Time Streaming Pr

otocol)

Protocol to control realtime transmission of video/audio data via a network.

●

HTTP (Hyper

te

xt

T

ranspor

t Pr

otocol)

Protocol used when transferring HTML

(Hypertext Markup Language) files between WWW server and browser

.

●

Pr

otocol

A

set rule for a computer or communication device to perform communication over a network, etc.

●

IEEE802,11b

International standard for wireless LAN with maximum communication speed of 1

1Mbps.

●

Channel (wireless LAN)

Frequency range used by wireless LAN.

The same frequency must be set by two sides for proper communication.

If there is an access point, adapter

, etc., using the same band in the proximity

, there may be a hindrance in the communication

and

may reduce throughput or the quality of communication. When setting, check the settings of surrounding access points, etc., to

avoid

doubling.

●

ESS-ID (wireless LAN)

Network identification name used by wireless LAN.

The name is used to distinguish other wireless LAN devices.

●

Ad hoc mode (wireless LAN)

A

mode for direct communication without passing through an access point.

●

Infrastrucre (wireless LAN)

Form of communication via an access point.

→

O

VER

69

●

Encr

yption mode

Setting for encrypting the flow of data during wireless communication.

Following settings are available:

None

(Open

System):

No encryption. Setting will be unavailable and throughput will be improved. However

, there is the risk of in

for-

mation leakage.

40blt

WEP:

Encryption is performed using 40-blt encryption key

.

128blt:

Encryption is performed using 104-blt + 24-blt (1V) keys.

Although throughput will decline compared to Open

System, security of data will be improved.

●

Access point (wireless LAN)

Relay point for infrastructure communication. It can also serve as the relay point for cable LAN or wireless LAN.

●

ASF (Ad

v

anced Streaming Format)

Data streaming format developed by Microsoft Corporation (U.S.) for transmission of video and audio.

●

Host name

Name of a device (not limited to a computer but all connection devices with an IP

address) on a network.

●

Po

rt

number

Number used for detecting applications and service during

TCP/IP

communication.

●

TCP/IP

Abbreviation for

T

ransmission Control Protocol/Internet Protocol and is one of the protocols used during network connection.

●

UDP

Dif

ferent from

TCP

, UDP

is a low-level protocol that does not perform receive checks. In some cases, missing and distorted imag

es

may occur due to packet loss.

Other

s

T

erminology

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