Architecture

Question 1

Why is architecture needed?

Answer 1

Provide a clear structure for the system
Ensures compliance with legislation
Assesses and manages risks
Cuts through complexity

Question 2

What are the parts of the IoT World Forum?

Answer 2

Physical devices and controllers
Connectivity
Edge computing
Data accumulation
Application
Collaboration and processes

Question 3

What are the layers in the core IoT functional stack?

Answer 3

Sensors and actuators
Communications network
Applications

Question 4

What are the layers in the data management and compute stack?

Answer 4

Cloud
Fog
Edge

Question 5

What is included in the sensors and actuators layer?

Answer 5

Power supply
Mobility
Reporting frequency
Reporting range
Object density

Question 6

What is included in the communications network layer?

Answer 6

Communications chosen by power and distance requirements
Network access
Choice of topology
Backhaul networks

Question 7

What is included in the applications layer?

Answer 7

Analytics and control

Question 8

What are the advantages and disadvantages of cloud processing?

Answer 8

Advantages:
Good for large scale aggregation
Disadvantages:
Bandwidth limits
Latency issues
Backhaul cost

Question 9

What are the advantages of fog processing?

Answer 9

Improved contextual awareness
Reduced response times
Cheaper, wireless connectivity

Question 10

Describe edge processing

Answer 10

Takes place on the endpoints, give the fastest responses, can only do simple processing

Question 11

What are the main considerations of an architecture?

Answer 11

Is the data time critical?
Context of data
Size of data
Complexity of processing