Air 802 Linux USB?ADG?2 Spezifikationen PDF herunterladen (Seite 28)

DynamicIPAdress–AnIPaddressthatisautomaticallyassignedtoaclientstationinaTCP/IP

network,generallybyaDHCPserver.Networkdevicesthatservemultipleusers,suchasservers

andprinters,areusuallyassignedstaticIPaddresses.

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ESS–ExtendedServiceSetisasetoftwoormoreBSSs(multipleaccesspoints)thatforma

singlenetwork.

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Firmware–Programmingcodethatiswrittenontoread‐onlymemory(ROM)orprogrammable

read‐onlymemory(PROM).Oncewrittenintomemory,itisretainedevenafterthedeviceis

turnedoff.

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IEEE–InstituteofElectricalandElectronicsEngineersisaprofessionalsocietythatpromotes

thedevelopmentofstandards.

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InfrastructureNetwork–Oneormorecomputersorotherdevices,eachwithawireless

adapter,connectedtoanAccessPoint.Aninfrastructurewirelessnetworkconnectedtoawired

networkisreferredtoasaBasicServiceSet(BSS).AsetoftwoormoreBSSinasinglenetwork

isreferredtoasanExtendedServiceSet(ESS).

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ISMBand–Industrial,ScientificandMedicalBandoperatesinthefrequencyband2.4and2.48

GHz.Itistheonlyunlicensedbandapprovedworldwide.

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LAN–Agroupofcomputersandotherperipheraldevicesconnectedtoshareresources

throughwiredorwirelesstechnology,withinasmallgeographicarea.

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Protocol–Astandardsetofrulesforexchanginginformation(format,timing,sequencing,error

checking,etc.)betweencomputersornetworkdevices.

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Roaming–Ininfrastructuremode,thisreferstoacomputermovingoutoftherangeofone

AccessPointandconnectingtransparentlytoanewAccessPoint.

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SSID–ServiceSetIdentifierisauniquenetworkidentificationname.Allclientdevicesand

AccessPointsthatsharethesameSSIDareabletocommunicatewitheachother.

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StaticIPAddressing–ApermanentormanuallyassignedIPaddress.OnceastaticIPadressis

assigned,acomputerornetworkdevicewillusethesameIPaddresseverytimeitrebootsand

logsontothenework,unlessmanuallychanged.

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TKIP–TemporalKeyIntegrityProtocolispartoftheIEEE802.11iencryptionstandardfor

wirelessLANs.TKEPisthenextgenerationofWEP(WiredEquivalencyProtocol),whichisused

tosecure802.11wirelessLANs.TKIPprovidesper‐packetkeymixing,amessageintegritycheck

andare‐keyingmechanism.

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WEP–WiredEquivalentPrivacymechansimisbasedona64,128or256bitalgorithm.

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Air 802 Linux USB?ADG?2 Spezifikationen Seite 28

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