IPsec,alsoknownastheinternetProtocol(),definesthearchitectureforsecurityservicesforIPnetworktrafficIPsecdescribestheframeworkforprovidingsecurityatheIPlayer,aswellasthesuiteofprotocolsdesignedtoprovidethatsecurity:through_(请作答此空)_andencryptionofIPnetworkpackets.IPeccanbeused10protectnetworkdata,forexample,bysettingupcircuitsusingIPsec(),inwhichalldatabeingsentbetweentwoendpointsisencrypted,aswithaVirtual()Networkconnection;forencryptingapplicationlayerdata;andforprovidingsecurityforrouterssendingroutingdataacrossthepublicinternet.InternettrafficcanalsobesecuredfromhosttohostwithouttheuseofIPsec,forexamplebyencryptionatthe()layerwithHTTPSecure(TTPS)oranthetransportlayerwittheTransportLayerSecurity(TLS)protocol.
A.encoding B.authentication C.decryption D.packaging正确答案C