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Internet of Things IoT Protocols Protocols that used in Internet of Things IOT are several but here I am defining some important protocols that is used in IOT. 1. Bluetooth Bluetooth is used for short-range communication which becomes very important in computing. The Smart Bluetooth as it is now branded – is a important protocol for IoT applications. Prominently while it offers comparable range to Bluetooth it has been designed to offer significantly condensed power consumption. Smart Bluetooth is not designed for file transfer it is more suitable for small chunks of data. It has a major advantage surely in a more personal device context over many competing technologies given its extensive integration in smart phones and many other mobile devices. 2. Zigbee

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ZigBee similar to Bluetooth has a large established base of operation although maybe traditionally more in manufacturing settings. ZigBee PRO and ZigBee Remote Control among other accessible ZigBee profiles are stand on the IEEE802.15.4 protocol which is an industry-standard wireless networking technology operating at 2.4GHz. 3. Z-Wave Z-Wave is a low-power Radio Frequency communications technology that is principally intended for home automation for products such as lamp organizers and sensors amid many others. Optimized for dependable and low-latency communication of small data packets with data rates up to 100kbit/s it operates in the sub-1GHz band and is impervious to interference from WiFi and other wireless technologies in the 2.4-GHz range such as Bluetooth or ZigBee. 4. LoRaWAN

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LoRaWAN Long Range Wide Area Network is a protocol for wide area networks. It is planned to support large networks with millions of low-power devices. LoRaWAN can supply low-cost mobile and safe bidirectional communication in a variety of industries. 5. WiFi WiFi connectivity is frequently an obvious choice for various developers particularly given the occurrence of WiFi within the home surroundings within LANs. It requires small further clarification except to state the obvious that clearly there is a broad existing communications as well as donating fast data transfer and the capability to handle high quantities of data. Currently the most common WiFi standard used in homes and many businesses is 802.11 6. Cellular IoT application that needs operation in excess of longer distances can obtain advantage of GSM/3G/4G cellular communication capabilities. While cellular is clearly able of sending high amount of data especially for 4G the expense and also power consumption will be too large for many applications but it can be ideal for sensor-based low-bandwidth-data projects that will send very low amounts of data over the Internet. 7. NFC

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NFC Near Field Communication is a technology that allows simple and safe two-way communications between electronic devices and particularly applicable for smart phones permitting consumers to complete contactless payment transactions admittance digital content and attach electronic devices. Essentially it expands the potential of contactless card technology and facilitates devices to share information at a distance that is less than 4cm. 8. 6LowPAN 6LowPAN is a network protocol that defines encapsulation and header density mechanisms. The usual has the liberty of frequency band and physical layer and can also be used across multiple communications platforms including Ethernet Wi-Fi 802.15.4 and sub-1GHz ISM. A key attribute is the IPv6 Internet Protocol version 6 stack which has been a very significant introduction in latest years to permit the IoT. IPv6 is the successor to IPv4 and offers roughly 5 x 1028addresses for every person in the world permitting any embedded entity or device in the world to have its possess unique IP address and attach to the Internet.