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5G – Peak Complexity(and how to make it simpler)
Dan Warren, Head of Network Standards & Research, Samsung
ⓒ 2019. Samsung Electronics. All rights reserved.
A quick recap…
2
ⓒ 2019. Samsung Electronics. All rights reserved.
5G Architecture
NSMF MDAF NSSF NEF NRF PCF UDM UDR AF
CSMF EGMF NFMF AUSF AMF SMF UDSF NWDAF
SEPP
UPF
DN
5G-EIR
NSSMFNFVO
VNFM
VIM All VNFs
Orchestration
Management
Control Plane
User Plane
RRU DU
CU-CP
CU-UP
VNF Pool
ⓒ 2019. Samsung Electronics. All rights reserved.
Operational realities
ⓒ 2019. Samsung Electronics. All rights reserved.
Sliced to abstraction?
DN
NFVO
VNFM
VIM
Orchestration
Management
Control Plane
User Plane
CU-DU SplitUse Plane LBOMEC
NSMF MDAF NSSF UDM UDR AF
AUSF UDSF NWDAF
SEPP
5G-EIR
NSSMF
NWDAF5G-EIR
CU-DU split with shared core VNFsUse Plane LBO with shared core VNFs Use Plane LBO with (different) shared core VNFs CU-DU SplitUse Plane LBOMECCU-DU split with shared core VNFsUse Plane LBO with shared core VNFs Use Plane LBO with (different) shared core VNFs CU-DU SplitUse Plane LBOMECCU-DU split with shared core VNFsUse Plane LBO with shared core VNFs User Plane LBO with (different) shared core VNFs
VNF Pool
ⓒ 2019. Samsung Electronics. All rights reserved.
Where to apply AI? Everywhere!
6
ⓒ 2019. Samsung Electronics. All rights reserved.
Is there anything other than a full system view?
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NF
Optimise throughput
15%
1. Objective specific vs. full NF optimisation
NF
Reduce Power Consumption
-15%
NF
Optimise throughput
? %
Reduce Power Consumption
? %
Multi-KPI Optimisation ? %
…
ⓒ 2019. Samsung Electronics. All rights reserved.
Is there anything other than a full system view?
8
NF1
Optimise throughput
15%
NF2
Optimise throughput
10%
NF3
Optimise throughput
20%
45% ?51.8% ?15% ?0% ?-15% ?
2. Function specific vs end-to-end
?? ??
Optimise end-to-end throughput
ⓒ 2019. Samsung Electronics. All rights reserved.
Is there anything other than a full system view?
9
NF1
Optimise throughput
15%
3. Function specific vs Domain
NF1
Optimise throughput
15%
NF1
Optimise throughput
15%
NF1
Optimise throughput
15%
NF1
Optimise throughput
15%
Optimise Load Balancing
ⓒ 2019. Samsung Electronics. All rights reserved.
Combining the conclusions
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NF1
Optimisation 1
Optimisation 2
Multi-KPI Optimisation
…
NF1
Optimisation 1
Optimisation 2
Multi-KPI Optimisation
…
NF1
Optimisation 1
Optimisation 2
Multi-KPI Optimisation
…
NF1
Optimisation 1
Optimisation 2
Multi-KPI Optimisation
…
NF1
Optimisation 1
Optimisation 2
Multi-KPI Optimisation
…
NF1
Optimisation NF1.1
Optimisation NF1.2
Multi-KPI Optimisation
…
Optimise NF1 Domain KPIs
NF2
Optimisation 1
Optimisation 2
Multi-KPI Optimisation
…
NF2
Optimisation 1
Optimisation 2
Multi-KPI Optimisation
…
NF2
Optimisation NF2.1
Optimisation NF2.2
Multi-KPI Optimisation
…
Optimise NF2 Domain KPIs
NF3
Optimisation 1
Optimisation 2
Multi-KPI Optimisation
…
NF3
Optimisation NF3.1
Optimisation NF3.2
Multi-KPI Optimisation
…
Optimise NF3 Domain KPIs
Optimise end-to-end KPIs
This is without Slicing, without Service orchestration and only considering one Network Function per domain.Why is it so hard (particularly when it seems so easy in a Cloud)?
ⓒ 2019. Samsung Electronics. All rights reserved.
Thoughts and observations
11
ⓒ 2019. Samsung Electronics. All rights reserved.
Micro-Services and Kubernetes
12/23
5G Network Function A
Consumer
Network Service 1
Network Service 2
Create
Update
Release
Request
Response
Operation
5G Network Function B
Network Service N
ⓒ 2019. Samsung Electronics. All rights reserved.
Moving beyond NFs
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vRAN vCore
VNF1 VNF2
VNF3 VNFn
VNF7 VNF8
VNF9 VNFxVNF1
VNFn VNF9 VNFx
NFVO
VNFM
VIM
VNF3MS-A MS-B
MS-C MS-D
VNF4MS-W MS-X
MS-Y MS-Z
…
VNF Catalog
Service Orchestration
VIM
Container1
MS-A MS-B
MS-C MS-D
MS-W MS-A
MS-Y MS-C
Container Catalog
Service Orchestration
Container Mgmt
Container2
MS-W MS-G
MS-N MS-C
Container3
…
Container1
Container2
Container3
ContainerX
ContainerY
ContainerZ
MANO
4G5G Beyond 5G
