Technical data

Glossary 8
Agilent Connectivity Guide 207
FTP: Abbreviation of File Transfer Protocol, the protocol used on the
Internet for sending files.
HTTP: Short for HyperText Transfer Protocol, the underlying
protocol used by the World Wide Web. HTTP defines how messages
are formatted and transmitted, and what actions Web servers and
browsers should take in response to various commands.
ICMP: Short for Internet Control Message Protocol, an extension to
the Internet Protocol (IP) defined by RFC 792. ICMP supports
packets containing error, control, and informational messages. The
ping command, for example, uses ICMP to test an Internet
connection.
RPC: Abbreviation of remote procedure call, a type of protocol that
allows a program on one computer to execute a program on a server
computer. Using RPC, a system developer need not develop specific
procedures for the server. The client program sends a message to the
server with appropriate arguments and the server returns a message
containing the results of the program executed.
non-Controller role
A computer is in a non-Controller role when it acts as a device
communicating with a computer that is in a Controller role.
notification area
The area on the Windows taskbar where notifications are posted,
typically in the lower right corner of the screen. Also called taskbar
notification area or Windows notification area.
primary VISA
The VISA installation that controls the visa32.dll file. The primary
VISA will be used by default in VISA applications. See also
secondary VISA.
programming alias
See VISA alias.