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You should be able to understand the definitions and features of the AWS instances used in the Cloud System for the 4DLive service.

  • Atlas DB(Mongo DB)

    • This DB is more manageable than AWS's existing Mongo DB, providing unparalleled data distribution and built-in automation for mobility, resource and workload optimization.

    • Responsible for storing information about equipment in Venue (shooting location), in charge of storing service information, mainly in charge of storing CMS contents

    ※ As of the current version, there are some CMS servers that do not use Atlas DB.

  • IMS(Integrated Management Server) 

    • A server that stores Venue's hardware or software configuration information

    • By uploading an Excel file created by the Production System to a specific page, the venue configuration information is delivered.

    ※ Based on the current version, use a separate Maria DB

  • CMS(Contents Management Server) 

    • A server that manages information about all contents to be edited and delivered to the customer during the service.

    • You can select content to live transmission through CMS settings, upload VOD you want, and set video categories.

    • Use Atlas DB in contextual situations

  • 4DRS/4DML(4D Relay Server/4D Media Live) 

    • 4DRS: An instance that receives the video of the Camera channel received from the Venue

    • 4DML: An instance that converts the video source of each camera channel received from the venue to HLS format.

  • Media Store 

    • Store original HLS contents for streaming with Storage Service provided by AWS

    • Save the Contents Playlist to serve

    ※ Based on the current version, the trend is to replace the entire storage with S3 (only certain projects are using Media Store)

  • Cloud Front 

    • CDN Service provided by AWS cachestores service contents in a place with minimal delay for each region

    • Sending Contents via HTTP to Mobile App or Web Player

  • SDK 

    • User mobile app software development kit that can play content provided by Cloud Front

    • Software development kit that can play videos with Android and iOS-based apps

  • Live System IP address rules

    • It mainly uses the public IP that is automatically set when creating an instance, and the private IP is used separately for security-critical projects.

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