ReferencenumberISO/IECTR12860:2009(E)©ISO/IEC2009TECHNICALREPORTISO/IECTR12860Firstedition2009-04-15Informationtechnology—Telecommunicationsandinformationexchangebetweensystems—NextGenerationCorporateNetworks(NGCN)—GeneralTechnologiesdel'information—Télécommunicationsetéchanged'informationentresystèmes—Réseauxd'entreprisedeprochainegénération(NGCN)—GénéralitésISO/IECTR12860:2009(E)PDFdisclaimerThisPDFfilemaycontainembeddedtypefaces.InaccordancewithAdobe'slicensingpolicy,thisfilemaybeprintedorviewedbutshallnotbeeditedunlessthetypefaceswhichareembeddedarelicensedtoandinstalledonthecomputerperformingtheediting.Indownloadingthisfile,partiesacceptthereintheresponsibilityofnotinfringingAdobe'slicensingpolicy.TheISOCentralSecretariatacceptsnoliabilityinthisarea.AdobeisatrademarkofAdobeSystemsIncorporated.DetailsofthesoftwareproductsusedtocreatethisPDFfilecanbefoundintheGeneralInforelativetothefile;thePDF-creationparameterswereoptimizedforprinting.EverycarehasbeentakentoensurethatthefileissuitableforusebyISOmemberbodies.Intheunlikelyeventthataproblemrelatingtoitisfound,pleaseinformtheCentralSecretariatattheaddressgivenbelow.COPYRIGHTPROTECTEDDOCUMENT©ISO/IEC2009Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherISOattheaddressbeloworISO'smemberbodyinthecountryoftherequester.ISOcopyrightofficeCasepostale56•CH-1211Geneva20Tel.+41227490111Fax+41227490947E-mailcopyright@iso.orgWebwww.iso.orgPublishedinSwitzerlandii©ISO/IEC2009–AllrightsreservedISO/IECTR12860:2009(E)©ISO/IEC2009–AllrightsreservediiiContentsPageForeword.............................................................................................................................................................vIntroduction.........................................................................................................................
