整合IP4/IPv6雙堆疊的物聯網閘道器

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题名:	整合IP4/IPv6雙堆疊的物聯網閘道器
作者:	陳鼎鈞;Chen,Ding-Jyun
贡献者:	資訊工程學系在職專班
关键词:	IPv4;IPv6;閘道器
日期:	2015-06-29
上传时间:	2015-07-30 22:41:49 (UTC+8)
出版者:	國立中央大學
摘要:	物聯網閘道器是物聯網架構中重要的技術環節，其功用在於將感知層裝置連結至網際網路，以及異質網路裝置間的通訊與管理。因應物聯網感知層複雜度的不斷攀升，以及大量裝置所凸顯出現行網際網路IPv4協定位址不足問題。本研究中設計並實作了一個基於IPv4/IPv6雙堆疊的物聯網閘道器。我們移植Contiki OS使其可以滿足低硬體資源需求的裝置網路通訊和管理同時改善Contiki網路堆疊中uIP及uIPv6單一運行模式，閘道器可在混合IPv4和IPv6網路環境中進行感測資料收集、儲存和遠端監控。此一物聯網閘道器整合了嵌入式資料庫引擎，使具有區域資料儲存及裝置組態備援機制，在現實環境網際網路無法普及區域仍可持續收集資訊。而閘道器亦支援網頁功能讓遠端使用者可在Web瀏覽器進行即時裝置網路狀態及資料的監控。軟硬體整合驗證和實驗展示，使用此一極低硬體資源需求的物聯網閘道器，可以IPv4/IPv6雙協定混合環境下從事遠端裝置資料擷取、管理和監控，而整合嵌入式資料庫(EDE)的，更使得物聯網閘道器在離線的狀態下依然可執行資料收集和管理功能，此一解決方案將可加速物聯網應用的的建置與佈署。;The Internet of Things (IoT) gateway is a critical technology in IoT frameworks for connecting sensing layer devices to the Internet, managing heterogeneous network devices, and establishing communication between such devices. The complexity of the IoT sensing layer has increased continually, and the growing quantity of devices has resulted in insufficient IPv4 addresses. Thus, this study designed an IoT gateway based on IPv4/IPv6 dual stacks. The Contiki operating system was ported to enable communication and management functions of devices that require minimal hardware resources, thereby improving the single operation mode of the uIP and uIPv6 stacks in the Contiki network. The proposed gateway facilitates collecting, storing, and remotely monitoring sensed data in network environments with IPv4 and IPv6 mixed notations. Moreover, the gateway incorporates an embedded database engine (EDE) to provide local data storage and device configuration backup functions, facilitating continuous data collection even in real environments where Internet networks are scarce. The webpage-support feature allows remote users to monitor the device network status and data through a web browser. The software–hardware integration verification and experiment demonstrated that the proposed gateway, which requires minimal hardware resources, can facilitate data acquisition, management, and monitoring of remote devices in IPv4/IPv6 dual-protocol mixed environment. Moreover, incorporated with EDE, the gateway can collect and manage data even in offline states. Overall, the proposed gateway can accelerate constructing and deploying IoT applications.
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