Private Media Engine for Dynamic Content Copy Management
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Solution Overview
Problem
Existing Content Origination Systems (COS) operating in Private Copy mode face inefficiencies and compliance challenges due to the need for generating, delivering, and managing unique copies of live content for each subscriber, leading to high storage costs, performance issues, and difficulties in ensuring timely availability and deletion of content copies.
Innovation Solution
The Private Media Engine (PME) dynamically optimizes media element replication, reducing storage requirements, enhancing response times, and providing detailed monitoring to ensure compliance with copyright laws by using ephemeral replicas and a replicator system that manages copies based on client requests and expiration attributes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a unique copy of each event is assigned to each subscriber to comply with copyright regulations, then compliance with copyright laws is improved, but storage costs and system complexity increase significantly
Solution Approach 1:
The patent uses digital copying to create unique copies of media content for each subscriber. The system generates individual copies of events and stores them in subscriber-specific storage locations, ensuring that each subscriber has exclusive access to their own copy while maintaining compliance with copyright regulations. This resolves the contradiction by enabling compliant unique copy distribution through automated digital replication.
Solution Approach 2:
The system segments media content into discrete events that can be independently copied and managed. Each event is treated as a separate unit that can be individually assigned to subscribers, allowing for precise control over copy distribution and storage management. This segmentation approach simplifies the overall system complexity by breaking down the complex task of unique copy management into manageable discrete units.
2Reliability
If unique copies are generated and maintained for each subscriber, then copyright compliance is improved, but storage costs increase
Solution Approach 1:
The system dynamically changes the retention parameter of media copies based on subscriber activity. Copies are maintained with different expiration dates and retention periods depending on whether they are actively being viewed. This parameter adjustment allows the system to reduce storage requirements by automatically deleting inactive copies while maintaining compliance for active subscriptions.
Solution Approach 2:
The system implements automatic deletion of media copies that are no longer needed by subscribers. When a subscriber finishes viewing an event or their subscription expires, the corresponding copy is automatically discarded from storage. This continuous discarding of obsolete copies reduces overall storage requirements while ensuring that valid unique copies remain available for compliant delivery.
3Ease of operation
If individual copies are delivered to subscribers on demand, then service quality is improved, but system performance and response time deteriorate due to the large number of copies to manage
Solution Approach 1:
The system performs preliminary actions by pre-generating and pre-storing unique copies of events in subscriber-specific locations before they are requested. When an event is broadcast, the system proactively creates and saves individual copies for each subscriber, so that when playback is requested, the copy is already available locally. This preliminary copy generation improves response time and system performance by eliminating the need to generate copies on-demand.
Solution Approach 2:
Each subscriber has their own dedicated storage location where their unique copies are automatically managed. The system autonomously handles copy generation, storage, retrieval, and deletion for each subscriber without requiring complex centralized coordination. This self-service approach improves system performance by distributing management responsibilities and reducing the computational overhead of managing a large number of copies centrally.
4Reliability
If copies are maintained indefinitely to ensure availability, then content accessibility is improved, but storage costs and resource utilization worsen
Solution Approach 1:
The system implements periodic review and automatic deletion of media copies based on retention policies. Copies are maintained for specific time periods or until certain conditions are met, after which they are automatically removed. This periodic management ensures content availability during the retention period while preventing indefinite storage accumulation, thus reducing storage overhead while maintaining reliability within acceptable parameters.
Data Source
AI summary
Methods and systems for efficient operation of a content origination system that uses private copies of content are described. In one embodiment, a generic media description (e.g. a DASH manifest) is modified by replacing generic media element references in the description (e.g. a URL to a media segment file) with a privatized version of the generic media element reference.