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首页> 外文期刊>Indian Journal of Science and Technology >Connecting End Clients Using the Lightweight Protocol CoAP over the Internet of Things
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Connecting End Clients Using the Lightweight Protocol CoAP over the Internet of Things

机译：使用轻量级协议CoAP通过物联网连接最终客户

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Objectives: Communication between the clients over the internet poses the main challenge i.e., to build a secured network that keeps up with the demand, by simultaneously reducing the energy consumption. This communication can be achieved by installing certain add-ons in the client and server sides. Methods: In the existing methods, the communication between the end clients using CoAP protocol is a difficult task. In the proposed architecture, the main task is to achieve the communication between the end clients without gateways or intermediate proxies. In this method, the ports used for the HTTP (8000) and CoAP (5683) protocols are to be opened simultaneously for achieving communication. With the help of this protocol, the end clients can be connected over the internet. Findings: CoAP uses Universal Datagram Packets (UDP) since it uses its own DTLS security for the embedded devices. The system makes use of the Web IOPi and the txThings, a framework to communicate with the CoAP. Applications: In this work, txThings and WebIOPi are used in the Raspberry Pi and add-ons are installed along with the txThings and WebIOPi in the Web Browser using the command line interface. Since the Raspberry Pi used which is embedded device, the energy is saved. The implemented system can be used in diverse real time applications. The implementation is done in the frontend so that it can be controlled over the internet with the help of the CoAP protocol.
机译：目标：客户端之间通过Internet进行的通信构成了主要挑战，即通过同时降低能耗来构建能够满足需求的安全网络。可以通过在客户端和服务器端安装某些附加组件来实现这种通信。方法：在现有方法中，使用CoAP协议的最终客户端之间的通信是一项艰巨的任务。在所提出的体系结构中，主要任务是在没有网关或中间代理的情况下实现最终客户端之间的通信。在此方法中，将同时打开用于HTTP（8000）和CoAP（5683）协议的端口，以实现通信。借助该协议，可以通过Internet连接最终客户端。结果：CoAP使用通用数据报包（UDP），因为它为嵌入式设备使用了自己的DTLS安全性。该系统利用Web IOPi和txThings（与CoAP通信的框架）。应用程序：在这项工作中，在Raspberry Pi中使用了txThings和WebIOPi，并使用命令行界面在Web浏览器中将附加组件与txThings和WebIOPi一起安装。由于Raspberry Pi使用的是嵌入式设备，因此可以节省能源。所实现的系统可以用于各种实时应用中。该实现是在前端完成的，因此可以借助CoAP协议在Internet上对其进行控制。

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