Glossary - NComputing L300 User Manual

Client D evice: a n etwork c omputing d evice u sing N Computing p atented t echnology. I t d oesn't
•
use C PU, V GA, a nd P C c hipsets; i t o nly u ses a p rogrammable S oC t o c onnect t o a H ost P C. A n
access d evice u sing N Computing U ser e Xtension P rotocol ( UXP) c an b e c onnected t o H ost P Cs b y
using t he L AN c able. A lso, i t c an b e c onnected t o r emote P Cs t hrough t he I nternet u sing T CP/IP.
Administrator: a p erson w ho i s r esponsible f or m anaging a m ulti-­‐user c omputing e nvironment,
•
such a s a l ocal a rea n etwork ( LAN). T he r esponsibilities o f t he s ystem a dministrator t ypically
include: i nstalling a nd c onfiguring s ystem h ardware a nd s oftware; e stablishing a nd m anaging
user a ccounts; u pgrading s oftware; a nd b ackup a nd r ecovery t asks.
Alias: a f ictitious n ame u sed b y a n i ndividual a s a n a lternative t o h er o r h is t rue n ame.
•
Client/Server: d escribes t he r elationship b etween t wo c omputer p rograms i n w hich o ne
•
program, t he c lient, m akes a s ervice r equest f rom a nother p rogram, t he s erver, w hich f ulfills t he
request.
Console: t he t ext e ntry a nd d isplay d evice f or s ystem a dministration m essages, p articularly
•
those f rom t he B
DHCP: ( Dynamic H ost C onfiguration P rotocol) i s a c ommunications p rotocol t hat l ets n etwork
•
administrators c entrally m anage a nd a utomate t he a ssignment o f I nternet P rotocol ( IP)
addresses i n a n o rganization's n etwork. W ithout D HCP, t he I P a ddress m ust b e e ntered
manually a t e ach c omputer i n a n o rganization a nd a n ew I P a ddress m ust b e e ntered e ach t ime
a c omputer m oves t o a n ew l ocation o n t he n etwork.
Download: t he t ransmission o f a f ile f rom o ne c omputer s ystem t o a nother.
•
Ethernet: t he m ost w idely-­‐installed l ocal a rea n etwork ( LAN) t echnology -­‐ s pecified i n a
•
standard, I EEE 8 02.3.
Firewall: a s et o f r elated p rograms ( located a t a n etwork g ateway s erver) t hat p rotect t he
•
resources o f a p rivate n etwork f rom u sers o n o ther n etworks a nd c ontrol w hat o utside
resources i ts o wn u sers h ave a ccess t o. ( The t erm a lso i mplies t he s ecurity p olicy t hat i s u sed
with t he p rograms.)
Gateway: a n etwork p oint t hat a cts a s a n e ntrance t o a nother n etwork. O n t he I nternet, a n ode
•
or s topping p oint c an b e e ither a g ateway n ode o r a h ost ( end-­‐point) n ode.
Host C omputer: a c omputer i n w hich t he v Space S erver s oftware h as b een i nstalled
•
IP A ddress: t he I nternet P rotocol ( IP) i s b asically t he s et o f r ules f or o ne n etwork c ommunicating
•
with a ny o ther ( or o ccasionally, f or b roadcast m essages, a ll o ther n etworks). E ach n etwork m ust
know i ts o wn a ddress o n t he I nternet a nd t hat o f a ny o ther n etworks w ith w hich i t
communicates. T o b e p art o f t he I nternet, a n o rganization n eeds a n I nternet n etwork n umber,
which i t c an r equest f rom t he N etwork I nformation C enter ( NIC). T his u nique n etwork n umber i s
included i n a ny p acket s ent o ut o f t he n etwork o nto t he I nternet.
LAN: l ocal a rea n etwork ( LAN) i s a g roup o f c omputers a nd a ssociated d evices t hat s hare a
•
common c ommunications l ine o r w ireless l ink a nd t ypically s hare t he r esources o f a s ingle
processor o r s erver w ithin a s mall g eographic a rea ( for e xample, w ithin a n o ffice b uilding).
Usually, t he s erver h as a pplications a nd d ata s torage t hat a re s hared i n c ommon b y m ultiple
Page 4 2 o f 7 6
Glossary
IOS o r b oot l oader, t he k ernel, t he i nit s ystem a nd t he
NComputing L 300 a nd L 350 U ser M anual
s ystem l ogger.
498943_v2