GL-1

Issue 1 September 1994
A
address mask
A bit mask used to select bits from an IP address for subnet
addressing. The mask is 32 bits long and selects the network
portion of the IP address and one or more bits of the local
portion.
agent
A software program housed within a managed network device,
such as a host, gateway, or terminal server. An agent stores
management data and responds to the manager’s data
requests.
ANSI
The American National Standards Institute sets standards for
the US computer industry. ANSI participates in defining network
protocol standards.
ARP
Address Resolution Protocol. The TCP/IP protocol used to
dynamically bind a high-level IP address to a low-level physical
hardware address. ARP is only across a single physical network
and is limited to networks that support hardware broadcast.
ASCII
The American Standard Code for Information Interchange,
widely accepted code for representing alphanumeric information.