ProSoft Technology PS-QS-1x10-0781 - Manual (Page 90)

FieldServer Configuration Manual Page 90 of 90
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com
Tel: (408) 262-2299 Fax: (408) 262-2269 Toll Free: (888) 509-1970 email: [email protected]
Term Description
Packet:
A packet is a collection of bits comprising data and control information, which is sent from
one Node to another.
Packet Switching:
In packet switching, data is segmented into packets and sent across a circuit shared by
multiple subscribers. As the packet travels over the network, switches read the address
and route the packet to its proper destination. X.25 and frame relay are types of packet-
switching services.
PFE: Protocol Front End
Protocol:
A protocol is a standardized set of rules that specify how a conversation is to take place,
including the format, timing, sequencing and/or error checking.
Router:
A router is a network layer device that connects networks using the same Network-Layer
protocol, for example TCP/IP or IPX. A router uses a standardized protocol, such as RIP, to
move packets efficiently to their destination over an internetwork. A router provides
greater control over paths and greater security than a FieldServer; however it is more
difficult to set up and maintain.
RUI: Remote User Interface.
Server:
A Server is a computer that provides shared resources to network users. A Server typically
has greater CPU power, number of CPUs, memory, cache, disk storage, and power
supplies than a computer that is used as a single-user workstation.
SUI: System User Interface
TCP/IP,
Transmission
Control Protocol/
Internet Protocol:
TCP/IP is the protocol suite developed by the Advanced Research Projects Agency (ARPA),
and is almost exclusively used on the Internet. It is also widely used in corporate
internetworks, because of its superior design for WANs. TCP governs how packets are
sequenced for transmission. IP provides a connectionless datagram service. “TCP/IP” is
often used to generically refer to the entire suite of related protocols.
Wide Area Network
(WAN): A WAN consists of multiple LANs that are tied together via telephone services and/or fiber
optic cabling. WANs may span a city, state, a country or even the world.
Wireless LAN:
A wireless LAN does not use cable, but rather radio or infrared to transmit packets
through the air. Radio frequency (RF) and infrared are the most common types of wireless
transmission.