beautypg.com

Glossary-3 – SMC Networks EliteView 6.20 User Manual

Page 227

background image

G

LOSSARY

Glossary-3

Out-of-Band

A way of communicating with a network device from outside the standard network channels.

Packet

The unit of data transfer over a local area network. For Ethernet, it includes the number of preamble bits, the start
of frame delimiter, the destination and source addresses, the data to be transferred, and the frame check sequence
(CRC) bytes.

Protocol

A set of rules that allows computers to communicate with one another, specifying the format, timing, sequencing,
and error-checking for data transmission.

Retries

The number of times EliteView attempts to communicate with a device before quitting. Also see timeout.

SNMP

Simple Network Management Protocol (SNMP). The application protocol offering network management services
in the Internet suit of protocols.

Software Interrupt

The software interrupt is the communication channel between the device driver (e.g., ODIPD or NWPD) and
other applications (e.g., WINPD or ELITEVIEW). The recommended software interrupt is 0x60 (60 hex).

Subnet

A LAN segment which may be reached through a gateway.

Subnet Mask

A decimal number (four integers) which specifies the logical network subnet of the terminal. A typical subnet mask
is 255.255.255.0. Also see Netmask.

Timeout

The elapsed time (in seconds) that EliteView waits for a response from a device.

TFTP (Trivial File Transfer Protocol)

A file-transfer protocol for downloading files.