January 2018
Intermediate to advanced
524 pages
13h 33m
English
Content preview from Internet of Things for Architects
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Gateway functions
We have covered several types of wireless communication in this book, all of which require some form of transmitter and receiver as well as a mechanism to bridge traffic to the internet. This is the single most important role of the IoT edge gateway. Whether the medium is a Bluetooth mesh requiring a bridge node or a cellular network eNodeB, the roles are similar. The gateway bridges and marshals data between two dissimilar networks.
A router can be a gateway. Routers manage and steer traffic between similar networks. In IoT architecture, one may have a 6LoWPAN mesh that is IPv6 addressable, communicating to the outside world through a device that acts as a gateway bridging 802.15.4 protocols to Wi-Fi or 802.3 physical ...
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