5g future core network - nttドコモ...network slicing physical network virtual network 1 virtual...
TRANSCRIPT
Future Core Network
5G
How 5G Changes Our Lives
● See a movie about services in 5G. https://www.youtube.com/watch?v=qbTqAVXqV7w
Requirements
Number of UE
Latency Reliability Security
Massive Not necessary
Not necessary
Normal
many low Very high Very high
Few Very low Not necessary
Normal
Future Core Network
Building separate networks for each service is possible, but it is too costly.
Secure Reliable Low latency Massive IoT
It is difficult to create a single core network that can meet such versatile service requirements.
Almighty core
Massive IoT
Sports Watching
challenges
Driving
Future Core Network
Virtualization Layer
COTs Servers COTs Servers
Resource Controller
Enterprise Network
The Internet
Current Telecom Network
SDN transport equipment
Smart energy
Smart agriculture
Traceability
Remote surgery
Machine control
Games
Disaster recovery
ITS
Health care
Public service
Enterprise hosting
xSP hosting
Network Slicing can accommodate versatile services in a single network.
Physical Network
Layer
Network Slice Layer
Service Instance
Layer
Vision
Provide XaaS High security Ultra-reliable Ultra low latency Massive IoT
Slice Management
System
Network Slicing
Physical Network
Virtual Network 1
Virtual Network 2
A Network Slice is a logical network created by virtualization technology. Multiple Network Slices co-exist on a single physical network.
A dynamic and fast Slice Management System is the key.
Slice Management
System
Service instance layer
Massive IoT Ultra low latency High-security
Smart energy
Smart agriculture Machine control
Games ITS
Network slice layer
Network Slicing Architecture
Virtualized resource layer Service Mapping
Service Instantiation
Slice Creation
Slice Management
System
Slice Management System creates slices and maps services to appropriate slices.
Another new
services
Massive IoT Ultra low latency High-security
Machine control
Slice Management System
Service mapping function
Smart agriculture
Games Smart Energy
ITS
Service mapping to appropriate slices also reduces service deployment time.
Service mapping
Games
Service mapping function allocates service instance.
Network Slicing
Scenario Current core network
Future core network prototype
Service launch time Several months Within days
NW slice switching Not available A few seconds
Scenario DOCOMOs Future core network beyond 2020
Service launch time A few minutes
NW slice switching A few milli-seconds
Targets
