论文相关的英文翻译.doc

文档介绍：work(VPN)anizations,(.)ontopofstandardprotocols,oroveraserviceprovider'workwithadefinedServiceLevelAgreement(SLA),dataorvideo,binationofthesemedia,acrosssecuredandencryptedprivatechannelsbetweentwopoints..VPNconnectionsaremorecost-,afirewallsitsbetweenaremoteuser''municationwiththefirewall,,sometimesonlywhenusingtrusteddevices,,'sperspective,thismeansthatwhiletheVPNconnectionisactive,'shostmachine:putersontheemployee'work,,,,-esspointinapublicplace,,theuseofIPX/(blockingsnoopingandthusPacketsniffing),se