Internet of Things at Universität Duisburg-Essen

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Internet Connected Things

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IoT: The digital Twin

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Two Views on IoT

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Connected Things

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Connected Data

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Horizontal IoT Platforms

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Vertical IoT Platforms

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Questions for IoT System Architecture

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IoT Networking

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IoT Data Management

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The Classical Approach: Cloud-based IoT Systems

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Important Technology Trends

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Exemplary flashcards for Internet of Things at the Universität Duisburg-Essen on StudySmarter:

Internet of Things

Internet Connected Things

= physical object that is augmented with embedded electronics

  • most basic thing: identifiable objects (e.g. based on embedded passive RFID tags)
  • more advanced: embedded microcontroller & sensors
  • sometimes: mobile devices like smart phones

Internet of Things

IoT: The digital Twin

= global digital representation of our world

  • Live: any change in physical world reflected immediately
  • Predictive: next gen machine learning and big data perform online predictions
  • Interactive: changes in twin state sent back immediately to physical world

Internet of Things

Two Views on IoT

  • Connected Things
  • Connected Data

Internet of Things

Connected Things

  • Smart things networked using Internet technologies
  • Things use Internet services to cooperate, i.e. the majority of users of services are devices and services instead of humans
  • aka: M2M

Internet of Things

Connected Data

  • Things (continuously) create data about their physical surroundings
  • Data is made available on the Internet, i.e. the majority of data is created automatically by smart things instead of humans
  • aka: big data 

Internet of Things

Horizontal IoT Platforms

  • general purpose platforms
  • often provided by big Cloud providers

Internet of Things

Vertical IoT Platforms

  • domain-specific platforms
  • often with better analytic support for their specific application areas

Internet of Things

Questions for IoT System Architecture

  • Which Software functional blocks exist and how are they implemented?
  • Where are Software functional blocks executed, i.e. which Software is executed on which Hardware?
  • How are blocks connected, i.e. which APIs and protocols are used?

Internet of Things

IoT Networking

  • necessary between all system parts
  • different technologies between IoT devices and gateways, and gateways and the Cloud

Internet of Things

IoT Data Management

  • retrieving, storing and querying of data
  • possibly distributed
  • often using database technologies, e.g. NoSQL databases, graph databases, etc.
  • the focus in IoT is on how to realise data management with minimal resource usage

Internet of Things

The Classical Approach: Cloud-based IoT Systems

  • IoT devices have minimal capabilities
  • gateways (if existing) only offer cross-cutting functionality
  • everything else is executed in the cloud

Internet of Things

Important Technology Trends

  • Computing:
    • Miniturization
    • Affordability
  • Sensing:
    • Variety
    • Availabilty
  • (Wireless) Transmission:
    • Communication
    • Energy transmission

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