Internet of Things is emerging technology from few years where autonomous devices and technology communicate without human intervention. For IoT, many smart objects are interconnected and communicate through infrastructure of internet that is the base of a global network. The major challenge of IoT automation is to inter-connect heterogeneous devices, sensors and real-time application. Research has demonstrated recent development for a varied scope of solutions and devices of IoT eco-system. However, each interoperable technology provides its proprietary infrastructure and mechanism to communicate, which leads to IoT interoperability issue. Many research organizations, IoT industry and standardization institutes are working for empowering interoperability of resources between autonomous IoT devices. These efforts are categorized according to its implementation and usage considerations. The interoperable communication mechanism also depends on communication protocols and its communication models used at application layer. Major devices use MQTT, CoAP, RestAPI, AMQP and HTTP protocols at application layer for communication. This paper is intended to describe interoperability types and its impact on seamless communication. As a solution of interoperability issue, message bridge can be implemented between application layer protocols of request-response and publish-subscribe communication models. This paper demonstrate message bridge approach based on Ponte, which is open source IoT project designed by Eclipse for intercommunication between application layer protocols. The paper also demonstrates working of Ponte with the resolution of open issue related to message retention for cross protocol communication.
Abstract.Transportation is basic service required by all citizens. Long route transportation is norm today for transporting goods and persons. Road transport has remained one of the important means of transportation. Increase in population and motorization in the country along with expansion of road network contributes to the number of road accidents, injuries and mortalities, as well as loss of productivity. Safety of the passengers, drivers and property is very important issue when we talk about long route travelling. There are many issues that endanger the safety of people and vehicle during long route transportation. Some of them are driver's negligence while driving, overtaking by the vehicles, over speeding of vehicles on the highways, health and mental state of the driver while driving, mechanical issues of the vehicle, sudden arrival of animals on highways, unfamiliar road conditions, negotiating with difficult winding roads, road traffic, overloading of the vehicles and many more. To ensure safety of vehicle and people it is very important to be more cautious and take proper safety measures while driving for long routes. In this research paper we have proposed wireless sensor network based architecture that monitors various parameters that needs to be considered effectively for avoidance of accidents on long routes.
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