藤本, 茂雄

檜垣, 泰彦

FUJIMOTO, Shigeo

HIGAKI, Yasuhiko

スコーム

メディア授業

クラウトコンピューティング

HTTP Live Streaming (HLS)

SCORM

media class

Cloud Computing

[Abstract] We migrated MOHAS (Moodle-Optimized HLS for Adaptive Streaming), an HLS video delivery platform for the authentication area on Moodle used in large-scale media classes with approximately 14,000 students, from an on-premises environment to Google’s Cloud Run. Cloud Run was deployed as a control plane that integrates with Moodle authentication and course access permissions, handling the issuance of signed cookies and the distribution of shared keys used for encryption. Meanwhile, placing video segment files on Cloud Storage enabled support for large-scale simultaneous viewing. We confirmed that MOHAS’s video segment file encryption functionality was maintained, ensuring only valid authenticated users could decrypt the content and thus protecting the content. This approach also achieved high scalability and maintainability suitable for educational use.