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Glossary
iSCSI Internet SCSI; see chapter 5.5, iSCSI servers, page 80.
M
MAC Media Access Control, a part of an Ethernet network card. A MAC address
is a 6-byte number which identifies a network card. It is typically written
in hexadecimal notation where the bytes are separated by colons, such as
00:17:3A:5E:CB:08.
N
NAT Network Address Translation. A technique to share networking interfaces by
which an interface modifies the source and/or target IP addresses of network
packets according to specific rules. Commonly employed by routers and fire-
walls to shield an internal network from the Internet, VirtualBox can use NAT
to easily share a host’s physical networking hardware with its virtual machines.
See chapter 6.4, Network Address Translation (NAT), page 84.
O
OVF Open Virtualization Format, a cross-platform industry standard to exchange vir-
tual appliances between virtualization products; see chapter 3.8, Importing and
exporting virtual machines, page 56.
P
PAE Physical Address Extension. This allows accessing more than 4 GB of RAM even
in 32-bit environments; see chapter 3.7.1.2, “Advanced” tab, page 46.
PIC See APIC.
PXE Preboot Execution Environment, an industry standard for booting PC systems
from remote network locations. It includes DHCP for IP configuration and TFTP
for file transfer. Using UNDI, a hardware independent driver stack for accessing
the network card from bootstrap code is available.
R
RDP Remote Desktop Protocol, a protocol developed by Microsoft as an extension
to the ITU T.128 and T.124 video conferencing protocol. With RDP, a PC sys-
tem can be controlled from a remote location using a network connection over
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