Content Asset Segmentation for Reduced License Access Delay
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Solution Overview
Problem
There is a delay in outputting content assets due to the processing time required for licenses, which can be significant when content assets are encrypted and require authentication.
Innovation Solution
Send an unsecured portion of the content asset to the user device while the license is being processed, determining its size based on the estimated time for the user device to receive the license, followed by sending a secured portion once the license is obtained.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If content assets are sent in a secured format with encryption, then protection against unauthorized users is improved, but access delay increases due to license processing time
Solution Approach 1:
The content asset is divided into two distinct portions: an unsecured portion that can be immediately accessed and displayed, and a secured portion that requires license authentication. This segmentation allows the system to provide immediate content delivery while maintaining protection for the licensed content, thereby reducing access delay without compromising security for the secured portion.
Solution Approach 2:
The unsecured portion of the content asset is sent to the user device before the license processing is complete. This preliminary action allows the user to access and view content immediately upon request, eliminating the waiting period that would otherwise occur while the license is being processed, thus reducing access delay while maintaining security for the secured portion.
2Reliability
If the entire content asset is sent in secured format, then security is maintained, but playback continuity is broken due to license processing interruptions
Solution Approach 1:
The content asset is segmented into unsecured and secured portions, enabling continuous playback to begin with the unsecured portion while the secured portion becomes available after license processing. This maintains security for the licensed content while ensuring playback continuity through the immediate availability of the unsecured portion.
Solution Approach 2:
By providing the unsecured portion of the content asset before license processing completes, the system ensures that useful action (content playback) continues without interruption. The user can immediately view the unsecured content while the secured content is being prepared, eliminating playback gaps and maintaining continuous engagement.
3Loss of time
If unsecured portion is sent before license processing, then access delay is reduced, but security protection is weakened for that portion
Solution Approach 1:
The content asset is divided into unsecured and secured portions with distinct access requirements. The unsecured portion is made available immediately to reduce access delay, while the secured portion maintains full security protection for licensed content. This segmentation allows the system to optimize for both speed and security by applying different protection levels to different content segments.
Solution Approach 2:
Different security qualities are applied to different portions of the content asset. The unsecured portion uses minimal or no protection to enable immediate access, while the secured portion uses full encryption and authentication to maintain security. This local differentiation of security quality allows the system to reduce access delay for the unsecured portion while maintaining strong protection for the secured portion.
Data Source
AI summary
Delay in output of a requested content asset by a user device may be reduced by sending a portion of the content asset to the user device in a particular type of format, such as an unsecured format. The unsecured portion of the content asset may be sent to the user device while a license for the content asset is being processed. The size of the unsecured portion of the content asset may be determined based on a time for the user device to receive the license. The time for the user device to receive the license may be determined based on a time to process the license. After sending the license to the user device, another portion of the content asset may be sent to the user device in a secured format. The user device may use the license to access the secured portion of the content asset.