By Hakima Chaouchi
Internet of items: Connecting items… puts ahead the applied sciences and the networking architectures which give the chance to aid the web of items. among those applied sciences, RFID, sensor and PLC applied sciences are defined and a transparent view on how they allow the web of items is given. This publication additionally presents a very good review of the most matters dealing with the web of items equivalent to the problems of privateness and defense, program and utilization, and standardization
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Extra info for The Internet of Things: Connecting Objects
2. Core processing interface The decision-making component of the middleware is the core processing interface. The core processing interface gets the raw RFID data from the RFID hardware. The core processing interface manages and manipulates the large amount of raw RFID data before passing them on to the application interface. The processing is also sometimes referred to as filtering. It includes removal of partial, erroneous, duplicate or redundant data. Usually the application has enough control over the way the core processing interface filters the raw data.
6. 6. About the Internet in IoT Connecting objects with different technologies and different communication models raises the question of end-to-end communication between heterogenous systems. IP has in the past answered this question when it interconnected heterogenous networks with different physical and link layers, transporting different types of traffic through the network/IP layer by introducing the new addressing space; the IP addressing and routing schema that allows us to reach any node connected to the IP network as long as it has a routable IP address.
If there is no collision, the reader gets the serial number of the only tag in the sub-group, and selects the tag by issuing the select command with its serial number as the parameter. The reader can perform read and write operations on the selected tag. If there is a collision, the reader issues another request command by lowering the value of the parameter, thereby targeting a smaller group of tags to respond. If there are multiple readers operating in the same space, they avoid collision with each other by a procedure known as listen-beforetalk.
The Internet of Things: Connecting Objects by Hakima Chaouchi