TP-Link TL-R470T+ manual Appendix C Glossary, Glossary Description

Configuration Protocol）

DHCP （ Dynamic

Name Server）

Protocol）

Appendix C Glossary

Glossary

Description

A

D

E

F

	Application Level Gateway (ALG) is application specific
ALG （ Application Layer translation agent that allows an application on a host in one
Gateway）	address realm to connect to its counterpart running on a host in
	different realm transparently.

ARP （ Address Resolution Internet protocol used to map an IP address to a MAC address.

A security protocol that provides data authentication and AH（Authentication Header）optional anti-replay services. AH is embedded in the data to be

protected (a full IP datagram).

DDNS （ Dynamic Domain The capability of assigning a fixed host and domain name to a dynamic Internet IP address.

Host A protocol that automatically configure the TCP/IP parameters for the all the PCs that are connected to a DHCP server.

A Demilitarized Zone allows one local host to be exposed to the DMZ（Demilitarized Zone） Internet for a special-purpose service such as Internet gaming

	or videoconferencing.
DNS（Domain Name	An Internet Server that translates the names of websites into IP
Server）	addresses.
DSL(Digital Subscriber	A technology that allows data to be sent or received over
Line)	existing traditional phone lines.
ESP（Encapsulating	Security protocol that provides data privacy services, optional
	data authentication, and anti-replay services. ESP encapsulates
Security Payload）
	the data to be protected.
FTP（File Transfer	Application protocol, part of the TCP/IP protocol stack, used for
Protocol）	transferring files between network nodes.

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