Download - NS Model Design and Orchestration - ONAP
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NS Model Design and Orchestration
Maopeng Zhang
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• Network Service Introduction
• NS Design Model
• NS Runtime Orchestration
Agenda
Intel Confidential
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Network Service Introduction
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What’s NS
Intel Confidential
• Network Service concept comes from ETSI, and accepted in many SDOs( 3GPP, TMForum, …)• Network Service: TMForum regards NS as resource composite in resource layer
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How is Network Service Managed?
Intel Confidential
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NS Model
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NSD in ETSI
Intel Confidential
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Simple Network Service via TOSCA
NSD
VNF
req
VNFD
VDU VNFVL
PNF
NSVL
…
Cap
req
Cap
substitution_mappings
https://wiki.onap.org/display/DW/ZTE+Proposal+for+Network+Service+Descriptor
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Complex Network Service via TOSCA
NSD
VNF
req
NestedNS
VNFD
VDU VNFVL
PNF
NSVL
…
NSD
VNF NSVL PNF
PNFD
CP …
Cap
req
Cap
req
Cap
req
Cap
substitution_mappings substitution_mappingssubstitution_mappings
VLD
Network …
req
Cap
substitution_mappings
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NS Orchestration
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ONAP 5G RAN Usecase
5GApplicationEcosystem
UE/CPE
RU DUCU-UP Internet
EdgeCloud
RadioAntennas
External Content
CU-CP
RU – Remote Radio Unit DU – Distributed Unit (5G Base Unit)CU-UP – Centralized Unit, User Plane CU-CP – Centralized Unit, Control Plane
Front Haul Mid HaulBack Haul
CentralizedCloud
Radio Network Slice Subnet Instances (NSSIs)
Transport Network Slice Subnet Instances (NSSIs)
Core Network Slice Subnet Instances (NSSIs)
RAN Abstraction Model Transport Abstraction Model Core Abstraction Model
Mobile Slice Services (e.g. eMBB, Massive IoT, Mission-critical IoT)Network Slice Instances (NSIs)
Core Network Elements
A single vendor delivers RAN equipment and software
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5G RAN NS Basic Model
PNF_DU
VNF_CU-CP
VNF_CU-UPPNF_RU
5G RAN Resource Model
PNF_RU PNF_DUPNF_RU
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3GPP Management Scope
Network and Network Slice Management Function
RAN Management Function A
CN Management Function A
RAN Management Function B
MS(s) for CN SubNetwork and NSSI
RAN Management
Function C
CN Management Function B
CN Management Function C
MS(s)For CN NF
TN Domain Manager (out of scope of 3GPP)
MS(s) for RAN SubNetwork and NSSI
MS(s) forCN NF
MS(s) for Network and NSI
Consumer
MS(s) forRAN NF
MS(s) forRAN NF
MS(s) for CN SubNetwork and NSSI
MS(s) for RAN SubNetwork and NSSI
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3GPP Management System and ETSI MANO
NFV Orchestrator
(NFVO)
VNF Manager(VNFM)
Virtualised Infrastructure
Manager(VIM)
EM
VNF
NFV-MANO
Vn-NfNE(PNF)
VNF
Vn-Nf
NFVI
Os-Ma-nfvo
Ve-Vnfm-em
Ve-Vnfm-vnf
Nf-Vi
Or-Vnfm
Vi-Vnfm
Or-Vi
EM
NE(PNF)
EM
DM
Itf-N
NM
OSS/BSS
Itf-N
3GPP management system
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3GPP 5G Management
E1
gNB-DU
gNB-CU-CP
F1-C F1-U
gNB
gNB-CU-UP
gNB-DU
NFV Orchestrator
(NFVO)
VNF Manager(VNFM)
Virtualised Infrastructure
Manager(VIM)
NSSMF
NFV-MANO
PNF VNF
Os-Ma-nfvo
Ve-Vnfm-em
Ve-Vnfm-vnf
Or-Vnfm
Vi-Vnfm
Or-ViNFMF
NSS Management service
NF provisioning service
NF provisioning
service
NF provisioning service
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NS Orchestration In R1&R2 VFC
Intel Confidential
NFVO(VFC)
VNFM MultiCloud
VNF LCM VL in Cloud
SFC Controller
SFC
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Enhance VFC to Support PNF
Intel Confidential
NFVO(VFC)
VNFM MultiCloud
VNF LCM VL in Cloud
EMS
PNF Register&Init Config,..
SFC Controller
SFC
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5G Usecase with VFC
VIM
SDC
VFC(NFVO、EMS Adaptor)
DCAE
VNFM
AAI/ESR
SDNC
PNF
UUI
A
BC
E
F
SO
DA: Model design & dispatchB: EMS deploys PNFC: PNF register to EM
EMS register to VFCD: UUI config PNFD parameter via AAIE: UUI invoke 5G NS via VFC
VFC decomposes the NSVFC invokes VNFM to create VNFVFC invokes EM to init config PNFVFC invokes Multivim to create VL
F: PNF report alarm/performance to ONAP
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s
Thanks