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Glossary 10-11
Peer to Peer network
A system in which two or more nodes or processes
can initiate communications with each other.
Usually describes a network in which all nodes
have the ability to share resources with other nodes
so that a dedicated server can be implemented but is
not required. Windows for Workgroups, NetWare
Lite, and Macintosh System 7 are examples of peer-
to-peer networking products.
PPD
An acronym for PostScript Printer Description files.
printer driver
See Driver.
protocol
The rules that control the transmitting and receiving
of data.
protocol stack
A representation of the hierarchical nature of a
protocol suite.
protocol suite
A hierarchical set of related protocols.
queue
Pronounced "Q". A place where jobs are stored
temporarily, while they are waiting to be processed.
A print queue will hold multiple print jobs. A
printer that is attached to the print queue will print
the jobs one at a time.
RAM
An acronym for Random Access Memory. Memory
in which data is temporarily stored for processing.
RARP
An acronym for Reverse Address Resolution
Protocol. A TCP/IP protocol governing the
translation of a DLC (Data Link Control) address to
an IP (Internet Protocol) address. This is a method
for providing IP Addresses to nodes on a network.
When a node powers up, it broadcasts a RARP
packet containing its Ethernet Address. The RARP
server receives the packet and sends the IP Address
back to the node.