[4DLive] Cloud system

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.