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    政大機構典藏 > 資訊學院 > 資訊科學系 > 學位論文 >  Item 140.119/158477


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    題名: 基於YANG資料模型與gNMI的物聯網服務管理機制
    Service Management Schemes for IoT Devices based on YANG Data Model and gNMI
    作者: 陳品絜
    Chen, Pin-Chieh
    貢獻者: 廖峻鋒
    Liao, Chun-Feng
    陳品絜
    Chen, Pin-Chieh
    關鍵詞: YANG data model
    gNMI
    mDNS
    DNS-SD
    服務發現
    服務管理
    Internet of Thing
    YANG data model
    gNMI
    mDNS
    DNS-SD
    Service Discovery
    Service Management
    Internet of Thing
    日期: 2025
    上傳時間: 2025-08-04 13:58:08 (UTC+8)
    摘要: 隨著物聯網技術發展，裝置數量日益增長，大量的裝置仰賴服務管理協定來運作。在現有服務管理協定中，UPnP功能完整，但效能不佳，且服務描述受限於固定形式。mDNS/DNS-SD則是輕量化且相容性高的服務發現協定，然而它功能性不足，欠缺服務描述與服務存取機制。本研究針對前述問題，提出基於YANG資料模型與gNMI的服務管理機制，兼具表達彈性與效能潛力。YANG 為網路管理領域中廣泛使用的資料建模語言，具備良好可讀性與高度表達彈性。gNMI是建構在 gRPC 上的 YANG 網管協定，具備高效能特性。然而，基於YANG的網管協定欠缺動態發現裝置的能力，因此本研究針對 gNMI 提出兩種不同的服務發現方案：一是整合 mDNS/DNS-SD的去中心化服務發現方案，二是支援gNMI的服務目錄之集中式服務發現方案。本研究進一步針對物聯網場景，研製基於YANG與gNMI的服務管理系統。此外亦開發了將UPnP描述檔自動轉換為YANG的工具程式，降低開發負擔並促進既有系統的遷徙。最後透過系統原型進行實驗評估，驗證所提出的兩種服務發現方法的可行性，以及本系統在服務發現、存取與通知等面向的效能優於 UPnP 系統。
    As the Internet of Things (IoT) continues to expand, the growing number of connected devices increasingly depends on service management protocols. While UPnP offers comprehensive functionality, it suffers from poor performance and a rigid service description format. In contrast, mDNS/DNS-SD is lightweight and highly compatible but lacks service description and access mechanisms. To address these limitations, this study proposes a service management framework based on the YANG data model and the gNMI protocol, combining expressive flexibility with high performance. YANG is widely used in network management for its readability and support for automation, while gNMI, built on gRPC, enables efficient data transmission. However, YANG-based protocols lack dynamic device discovery, limiting their use in IoT environments. This work specifically focuses on gNMI and introduces two discovery strategies: a decentralized approach using mDNS/DNS-SD and a centralized gNMI-based solution. We further design and implement a YANG/gNMI service management system tailored for IoT, along with a tool for automatically converting UPnP descriptions to YANG to facilitate system migration. Performance evaluations demonstrate the feasibility of both discovery methods and show that the proposed system delivers superior performance compared to UPnP across key features such as discovery, access, and notification.
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    描述: 碩士
    國立政治大學
    資訊科學系
    112753115
    資料來源: http://thesis.lib.nccu.edu.tw/record/#G0112753115
    資料類型: thesis
    顯示於類別:[資訊科學系] 學位論文

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