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A CWMP-compatible Multitenant Deployment Platform for Home Gateways based on Blockchain
|Issue Date: ||2019-08-07 16:37:13 (UTC+8)|
|Abstract: ||由於近代科技的快速發展，家庭中的硬體設備例如電信設備，具有連上網路快速增加，因此為了維護硬體設備上韌體的安全性，自動化韌體部署更新技術具有其重要性。開發與維護整套韌體部署系統必須花費大量建置成本，成為規模較小的設備廠商沉重的負擔。因此，基於區塊鏈的去中心化、不可竄改的特性，本研究提出並實作一個可共用的多租戶雲端平台來解決此問題。透過區塊鏈結合CWMP (又稱TR-069)，讓互不信任的個別廠商願意共用一個部署平台，藉此，個別廠商只要低成本就可享有自動韌體部署更新服務，並且與目前廣被採用的CWMP規格相容。本研究採用分散式部署來分散伺服器的負載，同時達到安全的部署。並且採用智能合約進行租戶之間的隔離並觸發自動部署，預防租戶之間的資料互相影響。最後，我們基於此平台進行了伺服器端下載完成回應時間、吞吐量及效能測試的實驗。並由實驗結果發現隨著終端設備線性增加，到達某些程度後，伺服器台數需要進行增加。|
The computing capability of the home appliances and communication bandwidth of the home network increase rapidly due to the rapid development of information and communication technologies. Many home appliances such as TVs, refrigerators, or air cleaners are now connected to the network, and the controlling software modules are typically dynamically and automatically updatable. CWMP is a widely deployed standard for an automatic software update of the home appliances. Maintaining a CWMP network usually involves the design and deployment of the overall security and trust infrastructure, the update file repository and the update audit mechanisms. Thus, maintaining a dedicated CWMP network is a heavy burden for the vendors of home appliances. Blockchain is an emerging technology that provides a secure and trust infrastructure based on distributed consensus. This thesis reports an integration architecture for a multitenant CWMP platform based on the blockchain. The core idea is to reify each automatic deployment task as a smart contract instance whose transactions are recorded in the append-only distributed ledger and verified by the peers. Also, the overall design should be transparent to the original CWMP entities. During the research process, a prototype based on the proposed architecture to verify the feasibility in three key scenarios has been built. The experimental results show that the proposed approach is feasible and is able to scale linearly in proportion to the number of managed devices.
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|Source URI: ||http://thesis.lib.nccu.edu.tw/record/#G1067530121|
|Data Type: ||thesis|
|Appears in Collections:||[資訊科學系] 學位論文|
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