Cyclades User's Guide - Manual (Page 477)

461
in a buffer. When the buffer is nearly full, the receiving side
signals the sending side to stop until the buffer has space again.
Between hardware (such as your modem and your computer),
hardware flow control is used; between modems, software flow
control is used.
FTP Short for File Transfer Protocol. The protocol for exchanging
files over the Internet. FTP works in the same way as HTTP for
transferring web pages from a server to a user's browser. FTP uses
the Internet's TCP/IP protocols to enable data transfer.
Hot-Swap Ability to remove and add hardware to a computer system
without powering off the system.
ICMP Internet Control Message Protocol is an Internet protocol sent in
response to errors in TCP/IP messages. It is an error reporting
protocol between a host and a gateway. ICMP uses Internet
Protocol (IP) datagrams (or packets), but the messages are
processed by the IP software and are not directly apparent to the
application user.
In-band In a computer network, when the management data is accessed
using the same network that carries the data is called “in-band
management.”
IP address A 32-bit address assigned to hosts using TCP/IP. It belongs to one
of five classes (A-E) and is expressed as 4 octets separated by
periods formatted as dotted decimals. Each address has a network
number, an optional sub network number and a host number. The
first two numbers are used for routing, while the host number
addresses an individual host within the network or sub network.
A subnet mask is used to extract network and sub network
information from the IP address.
IP packet filtering This is a set of facilities in network equipment that allows the
filtering of data packets based on source/destination addresses,
protocol, TCP port number and other parameters. Packet filtering
is one of the main functions of a firewall.