Apple Network Setup User Manual

Page 176

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G L O S S A R Y

176

Datagram Delivery Protocol (DDP)

The

network-layer protocol that is responsible
for the socket-to-socket delivery of
datagrams over an AppleTalk network.

DDP

See Datagram Delivery Protocol.

default area

The preferred name for the

area in which preferences are stored.
Another name for the current area.

DHCP

See Dynamic Host Configuration

Protocol.

DNS

See Domain Name System.

Domain Name System (DNS)

The system

used on the Internet for translating the name
of a network node to an IP address.

Dynamic Host Configuration Protocol

A

mechanism for assigning an IP address
dynamically so that the address can be
reassigned when the original assignee no
longer needs it.

entity

The unit of organization within an

entity. See also global protocol entity,
network connection entity, set entity.

global protocol entity

An entity that

contains information shared by all
connections for a particular protocol.

ICMP

See Internet Control Message

Protocol.

International Telecommunication Union
Telecommunication Standardization
Sector

An international body that

develops worldwide standards for
telecommunications technologies.

Internet Control Message Protocol
(ICMP)

A network-layer Internet protocol

that reports errors and provides other
information relevant to IP packet
processing.

Internet Protocol (IP)

1) A set of protocols

including TCP, UDP, and ICMP. IP provides
features for addressing, type-of-service
specification, fragmentation and reassembly,
and security. 2) An IP network-layer
protocol offering a connectionless
internetwork service.

Internetwork Packet Exchange (IPX)

A

network-layer protocol used for transferring
data between clients and servers.

IP

See Internet Protocol.

IP Control Protocol (IPCP)

The protocol

that establishes and configures IP over PPP.

IPCP

See IP Control Protocol.

IPX

See Internetwork Packet Exchange.

ITU-T

See International

Telecommunication Union
Telecommunication Standardization Sector.

LCP

See Link Control Protocol.

Link Control Protocol (LCP)

The protocol

that establishes, configures, and tests
data-link connections for use by PPP.

MAC address

See media access control

address.

MacIP

A network-layer protocol that

encapsulates IP packets in DDP packets for
transmission over AppleTalk and that also
provides proxy ARP services.

maximum transmission unit (MTU)

The

maximum number of bytes in a packet.

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