Security Level:
5G Operations
Unique Characteristics of 5G
Complex
Infrastructure
Network New
Slicing Services
Massive Impact
for Operations &
Maintenance
Autonomic 5G
Network Evolution
2
2
Complex Infrastructure – many elements
Network Expansion HetNet Network Cloudification
O&M Issues
5X
RAN-RT
2X Economies of Scale
1X
Availability
Low Cost Resources
& Reliability
RAN-RT RAN-RT
Sites doubled, New Frequency Indoor, Outdoor
New Architecture, Expansion Macro, Micro CloudRAN
Network
Robustness
Edge
Regional
Centralized
… Fault Identification
Network Elements Millions of Self-Aware
5G New Air Hundreds of & Location
Increasing passive equipment Antenna Cloud Data Centers
Managing Virtual
Clouds
Massive Data Traffic • Site Densification • Huge Power Consumption
3
3
New Services – many use cases
5G Services Over 15 uses cases
O&M Issues
• Latency ~ 5ms
Economies of Scale
Autonomous
• Availability ~ 99.999% Low Differentiated
Cost Resources
Vehicle Control • Reliability ~ 99.999%
QoS
• Connection density ~ E2E Latency
4000 devices/km2
Home
• Traffic Density ~ 60
Broadband Gbps/km2
User Experience
Rate
• User throughput
~ 4 – 28 Gbps Service Quality
Virtual & Visualization
• Latency ~ 7ms
Augmented Reality
4
4
Phased 5G Evolution – NSA & SA
O&M Issues
NSA SA
Economies of Scale
4GCost
Low & 5G Problem
Resources
EPC Demarcation
NGC
S1
Multi-vendor
LTE NR
issues
NR
Root Cause
Analysis
• Use existing Core • New Core Fast Fault
• NSA for fast NR • Target network Location
• Focus on eMBB • eMBB/ uRLLC/ mMTC
5
5
Autonomic Network – software driven
Autonomic Network
O&M Issues
Economies of Scale
Embedded Machine Managing
Low Network
Cost Resources
Automation Learning Automation
SoftCOM + AI
Self aware Network resources People & Machine
Self configuring Network traffic Interaction
Self optimizing Real time SLA mgmt
Self healing System performance
Self protecting Power monitoring Managing
Policies & Rules
New
Skill Sets
Softwarization of Resources • Real Time Management
6
6
Network Slicing – NaaS
Slicing Business Extension
O&M Issues
Economies of Scale
FCAPS
Low Cost Resources
Enterprise
Per Slice
Family E2E
Management
Multi-tenancy
Government
Security
SLA Assurance
Automation
Open Management • 5G Service Metrics • Complicated Service Demarcation
7
7
Network Evolution to 5G – phased approach
Phase 1 Phase 2 Phase 3
2019 – 2020 2020 – 2022 2022+
·NSA solution
·CU/DU split
·eMBB
·SA solution
·mMTC/uRLLC
·Network slicing
·All cloud
·Federated slicing
·Cloud native
5G
applications
5G operations will evolve in steps to address new functionalities and complexities
8
8
5G Redefines Operations
Unified CT & IT Operations
Real Time IoT Predictive
Analytics Technologies Maintenance
Complex Fault
New Skills & 5G Management
Competencies
O&M
Network &
Service Closed Loop Customized
Performance Automation Operations
Correlation
Legacy Operation Security
Service Quality Assurance
9
9
Operation Model Transformation
Application Operation
Application
Application
Application
Application
DevOps 2
DevOps 3
DevOps n
DevOps
FO App layer
Maintenance
2C 2B … …
1
FO Platform DevOps Team
RAN
VAS
CN
BO
TX
IP
CT VNF FO
TX/IP
VNF Infrastructure Operation
RAN
BO BO NFVi CT VNF VNF
TX/IP
RAN
BO BO NFVi
FME (CT) FME (CT&IT)
FME (CT&IT)
Automation Intelligent
• Operations by domains • VNF: horizontal skill domain • Infrastructure Operation – improving efficiency
• Low level of automation • Improve automation • Application Operation - serving verticals
10
10
OSS Evolution for 5G Operations
Enabling
role
Agile AI Technologies
Intelligence
Supporting
Predictive Deep Learning, Reinforcement Learning, ML
role
Automation
Autonomous Operations:
Basic
Efficiency & Quality Task , Process and Script Automations
O&M
Machine centric Alarm Auto
Correlation AABD Diagnostics
Limited Automation
NOC Field SPMS Reports
Legacy operations
11
11
Combined Intelligence of People & Machine
People Improves machines by adding
creativity, judgment and network
experience
PEOPLE MACHINE
Machine improves people’s efficiency by
adding computing power, analytics and
real time capabilities
Machine and People collaboration is a must for 5G Operations
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12
People Transformation – Digital Workforce
Workflow Orchestration Automation Orchestration
UI Development Engineer
Engineer Engineer
• New Position Resource Orchestration Data Analysis Algorithm Development
25% Engineer Engineer Engineer
• Transformation
BO Engineer
FO
• Retaining • SLA monitoring
• Responsibility BO
• Automation task
Change
15% • Change review
monitoring
• Critical incident 75%~80%
handling
FO Engineer FM
• Replaced by • Subcontract mgmt.
machine
40%
Preventive Remote Change
Monitoring Scheduling
Maintenance Fix Execution
Field Engineer • Contracting
20%
Transparent
Cost Saving Sharing Model Remote Fault Handling
Subcontract Mgmt.
13
13
New Way of Working
As-is To-be
Joint Innovation
Demand
CSP Vendor
Supply CSP Vendor
Digital Operation Platform
Transactional Strategic
Relationship Partnership
14
14
Thank You
15
15
