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| Title: | 研製相容於資源受限網路的Web of Things服務管理機制與透通式應用層閘道
Design and Implementation of a Service Oriented Application Layer Gateway for Web of Things in Resource-Constrained Networks |
| Authors: | 邱奕修
Chiu, Yi-Hsiu |
| Contributors: | 廖峻鋒
Liao, Chun-Feng
邱奕修
Chiu, Yi-Hsiu |
| Keywords: | 物聯網
低功耗有損網路
服務管理
物聯網閘道器
Internet of Things
Web of Things
LLN
service management
IoT gateway |
| Date: | 2022 |
| Issue Date: | 2022-08-01 18:14:13 (UTC+8) |
| Abstract: | 科技日新月異，物聯網 (InternetofThings,IoT) 技術與服務日漸成熟，促成智慧 環境 (SmartEnvironments) 願景的實現。在物聯網環境中，裝置往往是大量且無 所不在的，面對大量且無人監管之裝置，需要有一服務管理機制來管理這些裝置。 考量物聯網裝置的計算能力、體積與耗電量，物聯網裝置通常運行於低功耗有損 網路 (Low-power and Lossy Networks, LLN) 上，且有別於一般網際網路所用的 通訊技術，LLN 裡裝置通常以特定低功耗協定進行通訊。
如何管理大量的物聯網裝置與服務一直是物聯網領域中重點研究議題之一， 然而現行物聯網服務管理機制中，仍未有一提供應用層級的跨異質網路 (IP 網路 - LLN) 服務管理機制。另外，物聯網裝置與協定相當多樣，導致物聯網開發人 員須具備多種裝置與協定的基本知識，才有能力開發物聯網服務。本論文針對上 述兩個議題提出解決方案，一是提出一具備跨異質網路能力的零組態服務管理機 制，讓使用者能透通地管理/發現裝置與其服務，補足目前物聯網領域下服務管 理機制未臻完備之處。二是提出一專屬透通式應用層閘道器，讓使用者能將採用 特定物聯網協定通訊之裝置視為 Web 節點並以 HTTP 架構風格進行互動，解 決物聯網應用開發上手門檻高之問題。最後，本論文對提出之兩解決方案進行原 型實作並評估其可行性，驗證兩方案在保有原先技術特性與效能的情況下提供額 外功能改善物聯網服務管理與開發門檻之議題。
Over the past few years, the advancement of IoT (Internet of Things) technologies has empowered the realization of Smart Environments. In order to handle the large number of unsupervised devices in IoT environment, a service management mechanism is required. As IoT devices are restricted in computing power, size and power, LLN (Low- power and Lossy Network) is used to connect IoT devices. Devices in LLN usually communicate with a specific low-power protocol, in contrast to the communication technologies used on the Internet.
Managing the large number of IoT devices and services is one of the key research topics of IoT technology. However, existing IoT service management mechanisms do not provide a cross-heterogeneous network (IP network to LLN) service management mechanism in application-level. Additionally, due to the great variety of IoT devices and protocols, an extensive knowledge of IoT specifications is required for developers to be able to develop IoT application services. This paper proposes solutions to the two issues mentioned. The solution to the former issue is to propose a zero-configuration service management mechanism with cross-heterogeneous network capability, allowing clients to manage and discover devices and their services in LLN transparently from IP-based network. The solution to the latter issue is to propose a proprietary transparent application-level gateway, allowing clients to treat devices that use specific IoT protocols as Web nodes and interact with them in an HTTP architecture style. Finally, this paper prototypes the two proposed solutions and evaluates their feasibility. |
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| Description: | 碩士
國立政治大學
資訊科學系
110753105 |
| Source URI: | http://thesis.lib.nccu.edu.tw/record/#G0110753105 |
| Data Type: | thesis |
| DOI: | 10.6814/NCCU202200709 |
| Appears in Collections: | [資訊科學系] 學位論文
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