Sierra Wireless X HSUPA Networking

Introduction to the PinPoint X

Rev 4.0 Oct.09 8

ThePinPointXsupportsonevirtualserialportoverUSB.This

VSPcanbeused,forexample,tosendATcommands,ortorun

manyserialbasedapplicationssuchasHyperTerminal®.

Networking

TheIPprotocolthatdrivestheInternetisinherentlyinsecure.

InternetProtocolSecurity(IPSec),whichisastandards‐based

protocol,securescommunicationsofIPpacketsoverpublic

networks.

IPSecisacommonnetworklayersecuritycontrolandisused

tocreateavirtualprivatenetwork(VPN).

TheadvantagesoftheIPSecfeatureincludes:

•DataProtection:DataContentConfidentialityallowsusers

toprotecttheirdatafromanyunauthorizedview,because

thedataisencrypted(encryptionalgorithmsareused).

•AccessControl:AccessControlimpliesasecurityservice

thatpreventsunauthorizeduseofaSecurityGateway,a

networkbehindagatewayorbandwidthonthatnetwork.

•DataOriginAuthentication:DataOriginAuthentication

verifiestheactualsender,thuseliminatingthepossibility

offorgingtheactualsender’sidentificationbyathird‐

party.

•DataIntegrity:DataIntegrityAuthenticationallowsboth

endsofthecommunicationchanneltoconfirmthatthe

originaldatasenthasbeenreceivedastransmitted,

withoutbeingtamperedwithintransit.Thisisachieved

byusingauthenticationalgorithmsandtheiroutputs.

TheIPSecarchitecturemodelincludestheSierraWireless

AirLinkgatewayasaremotegatewayatoneendcommuni‐

cating,throughaVPNtunnel,withaVPNgatewayatthe

otherend.TheremotegatewayisconnectedtoaRemote

networkandtheVPNisconnectedtotheLocalnetwork.The

communicationofdataissecurethroughtheIPSecprotocols.