ITU-T G.800 Unified functional architecture of transport networks

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1、InternationalTelecommunicationUnionITU-TG.800TELECOMMUNICATION(09/2007)STANDARDIZATIONSECTOROFITUSERIESG:TRANSMISSIONSYSTEMSANDMEDIA,DIGITALSYSTEMSANDNETWORKSDigitalnetworks–GeneralaspectsUnifiedfunctionalarchitectureoftransportnetworksITU-TRecommendationG.800ITU-TG-SERIESRE

2、COMMENDATIONSTRANSMISSIONSYSTEMSANDMEDIA,DIGITALSYSTEMSANDNETWORKSINTERNATIONALTELEPHONECONNECTIONSANDCIRCUITSG.100–G.199GENERALCHARACTERISTICSCOMMONTOALLANALOGUECARRIER-G.200–G.299TRANSMISSIONSYSTEMSINDIVIDUALCHARACTERISTICSOFINTERNATIONALCARRIERTELEPHONEG.300–G.399SYSTEMSO

3、NMETALLICLINESGENERALCHARACTERISTICSOFINTERNATIONALCARRIERTELEPHONESYSTEMSG.400–G.449ONRADIO-RELAYORSATELLITELINKSANDINTERCONNECTIONWITHMETALLICLINESCOORDINATIONOFRADIOTELEPHONYANDLINETELEPHONYG.450–G.499TRANSMISSIONMEDIAANDOPTICALSYSTEMSCHARACTERISTICSG.600–G.699DIGITALTERM

4、INALEQUIPMENTSG.700–G.799DIGITALNETWORKSG.800–G.899GeneralaspectsG.800–G.809DesignobjectivesfordigitalnetworksG.810–G.819QualityandavailabilitytargetsG.820–G.829NetworkcapabilitiesandfunctionsG.830–G.839SDHnetworkcharacteristicsG.840–G.849ManagementoftransportnetworkG.850–G.

5、859SDHradioandsatellitesystemsintegrationG.860–G.869OpticaltransportnetworksG.870–G.879DIGITALSECTIONSANDDIGITALLINESYSTEMG.900–G.999QUALITYOFSERVICEANDPERFORMANCE–GENERICANDUSER-RELATEDG.1000–G.1999ASPECTSTRANSMISSIONMEDIACHARACTERISTICSG.6000–G.6999DATAOVERTRANSPORT–GENERI

6、CASPECTSG.7000–G.7999PACKETOVERTRANSPORTASPECTSG.8000–G.8999ACCESSNETWORKSG.9000–G.9999Forfurtherdetails,pleaserefertothelistofITU-TRecommendations.ITU-TRecommendationG.800UnifiedfunctionalarchitectureoftransportnetworksSummaryITU-TRecommendationG.800describesaunifiedfunctio

7、nalarchitecturefortransportnetworksinatechnology-independentway.SourceITU-TRecommendationG.800wasapprovedon6September2007byITU-TStudyGroup15(2005-2008)undertheITU-TRecommendationA.8procedure.ITU-TRec.G.800(09/2007)iFOREWORDTheInternationalTelecommunicationUnion(ITU)istheUnit

8、edNationsspecializedagencyinthefieldoftelecommunications,informationandcomm