6.3.4 |
Typical Usage..................................................................................................................... 43 |
|
6.3.5 |
Operations......................................................................................................................... 43 |
|
6.3.6 |
Security.............................................................................................................................. 43 |
|
6.3.7 |
Safety................................................................................................................................. 43 |
|
6.3.8 |
Gateways........................................................................................................................... 43 |
|
6.4 |
Functional Viewpoint......................................................................................................... 44 |
|
6.4.1 |
Core Framework Layer Functions...................................................................................... 44 |
|
6.4.2 |
Core Transport Layer Functions........................................................................................ 44 |
|
6.5 |
Implementation Viewpoint................................................................................................ 45 |
|
6.5.1 |
System Architecture Considerations................................................................................. 45 |
|
6.5.2 |
Data Considerations.......................................................................................................... 45 |
|
6.5.3 |
Performance Considerations............................................................................................. 45 |
|
6.5.4 |
Scalability Considerations.................................................................................................. 45 |
|
6.5.5 |
Availability Considerations................................................................................................ 45 |
|
6.5.6 |
Deployment Considerations.............................................................................................. 45 |
|
6.5.7 |
Network Layer Considerations.......................................................................................... 45 |
7 Connectivity Standards.................................................................................................... 46 | ||
7.1 |
IIoT Connectivity Framework Standards............................................................................. 47 |
|
7.1.1 |
Data Distribution Service( DDS)......................................................................................... 47 |
|
7.1.2 |
Web Services Using Hypertext Transfer Protocol( HTTP).................................................. 49 |
|
7.1.3 |
Open Platform Communications Unified Architecture( OPC-UA)..................................... 49 |
|
7.1.4 |
oneM2M............................................................................................................................ 51 |
|
7.2 |
IIoT Connectivity Transport Standards................................................................................ 52 |
|
7.2.1 |
TCP and UDP over IP.......................................................................................................... 52 |
|
7.2.2 |
Constrained Application Protocol( CoAP).......................................................................... 52 |
|
7.2.3 |
MQTT( formerly MQ Telemetry Transport)....................................................................... 53 |
|
7.3 |
Fieldbus Technologies........................................................................................................ 53 |