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  2.  It is the network of physical objects or things embedded with electronics , software, sensors and connectivity.  With the growing presence of WiFi and 4G-LTE wireless Internet access, the evolution towards ubiquitous information and communication networks is already evident.
  3.  Term was coined by Kevin Ashton in 1999  Concept was discussed in 1982 with a modified coke machine.  Radio-frequency identification (RFID) was seen as a prerequisite for the Internet of Things in the early days.
  4.  Dynamic control of industry & daily life.  Improve the resource utilization ratio.  Integrating human society & physical system.  Universal transport & internet working.  Flexible configuration.
  5.  Hardware - sensors ,actuators ,embedded communication hardware  Middleware - storage and computing tools for data analytics  Presentation - visualization
  6. Application Management service Gateway &network Sensor IOT
  7. SENSOR LAYER  Lowest abstraction layer.  Measure physical quantities.  Interconnects the physical and digital world.  Collects & process the real time information .
  8. GATEWAY & NETWORK LAYER  Robust & high performance network infrastructure.  Supports communication requirements for latency ,bandwidths.  Allows multiple organizations to share & use the same network independently.
  9. MANAGEMENT SERVICE LAYER  Capturing of periodic sensory data.  Data analytics.  Streaming analytics .  Security & privacy of data.
  10. APPLICATION LAYER  Provides a user interface for using IOT.  Different applications for various sectors.
  11.  Shared understanding –User & appliances  Software architecture-contextual information where it is relevant  Analytical tools-Autonomous & smart behavior
  12. IOT is broadly classified into 5 categories  Smart Wearable  Smart City  Smart Home  Smart Manufacturing  Smart Enterprise
  13.  Sensing - Innovative ways to sense and deliver information from the physical world to the cloud  Connectivity- Variety of wired and wireless connectivity standards are required to enable different application needs  Power - Many IoT applications need to run for years over batteries and reduce the overall energy consumption
  14.  Security - Protecting users' privacy and manufacturers' IP detecting and blocking malicious activity  Complex - IoT application development needs to be easy for all developers, not just to experts  Cloud - IoT applications require end-to-end solutions including cloud services
  15.  We must expand smart object design beyond hardware and software to include interaction design as well as social aspects.  Building applications with RFID data in the IOT is challenging ,not just because it provides only low level information but also metadata associated with tags ,antennas must be personalized.  With the emergence of an IOT new regularly approaches to ensure its privacy & security become necessary.
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