There are various technical challenge to consider about IoT:
- variety of sensors
- number of devices
- dirty sensor readings
- data volume / scale
- device / sensor security
- cloud to device messaging
- set up deployment and maintenance of large sensor networks
Azure Stream Analytics can be used for streaming the real time IoT
The Metadata for this is not currently stored in a DBMS so querying of the data is not possible. IoT is a database problem not just a networking problem.
An interesting set of ideas about Polybase for IoT where discussed covering the declarative language, complex object modeling, scalable metadata management, discrete & continuous queries, multi purpose querying and computation pushdown.
The final picture about the future.
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