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5G
What is convergence? Give an educated example of convergence?
5G
What are the benefits of convergence?
The cost of deployment is highly reduced
The cost of management and maintenance is reduced
A single infrastructure has to be deployed
5G
What are the opportunities brought by convergence?
To offer a unique global interconnection network for all the communication services and all the communication needs with a reduced cost
Possibility to address new markets where the previous networks were too expensive
5G
What are the main limitations of convergence?
A system does not fit all:
Different governance – the systems are administered differently
Different configuration – the systems have a different deployment
Functionality Customization – different functionality is needed
The added-value
Two competitive systems will try to differentiate between them through the creation of added-value services
e.g. remote voice box, answering machine
The larger the difference, the easier is for the operator to create an own image
At one moment. The system requires to be though not as an old system with added value, but as a new system all together
5G
Which services have already converged in a telecom network?
Fixed telephony
Mobile telephony
Internet access
TV & Content Distribution
5G
Which networks have already converged in a telecommunication system?
2G/3G with common core network
Wifi/LTE have a common core network
5G
What are the next networks supposed to converge?
Critical/emergency networks, Industrial networks, V2X(Vehicle to anything) networks
Home automation, remote control
5G
Which are the main characteristics of a carrier grade network?
Operator wide AAA functionality
QoS insurance
Network Availability – Coverage
Radio Resource Reservation
Device Power Control
Predictable service with guaranteed and non-guaranteed resources
Mobility support
Ubiquitous services
Zero packet loss handover support
Guaranteed service
5G
What does „4-nines“ mean?
4-Nines – active 99.99% of the time:
52,6 minutes downtime per year
Lower than typical operator network (which is 5,26 minute per year)
5G
What are the major advantages of the 5G evolution?
1. flexibility
2. customizability
3. micro service architecture
4. softwarization/virtualizuation
5. Split between control and user plane
6. Edge computing
7. Integration with other local access networks
5G
Describe the network function, the network infrastructure or the integrated perspectives on 5G
Network Function Perspective:
The 5G system is a distributed system
The network functions should be able to understand the underlying connectivity
Network functions should be properly synchronized
The 5G system is a software system
Performance depends on the underlying uncertain infrastructure
New mechanisms for ensuring the flexibility and the security
With different levels of trust on the infrastructure
→ The 5G system should be adaptable enough to run (reliably and secure) on the available infrastructures
5G
What should be done to integrate satellite networks or autonomous backhaul?
Control plane split
Adaptation of data path
Dynamic network mgmt.
Support for local services
Leveraging multicast
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