Asynchronous Multimedia Upload System with Integrity Verification
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Solution Overview
Problem
Streaming live digital multimedia often results in a lower quality playback experience due to issues in the upload process, leading to missing, incomplete, or degraded content, which is then transmitted to end users, despite the use of distribution networks.
Innovation Solution
A system and method for asynchronous uploading of digital multimedia with guaranteed delivery, utilizing upload worker threads to repeatedly attempt transmission and data integrity testing, with reattempt thresholds and separate queues for handling connection instabilities and failed uploads, ensuring continuous high-quality content delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If live digital multimedia is streamed in real-time from encoder to media server, then the content is delivered close to real-time for end users, but the quality may be degraded due to network disruptions and upload issues
Solution Approach 1:
The system performs preliminary actions by implementing multiple upload worker threads that attempt to upload content segments before real-time delivery is required. Each thread independently attempts to upload segments with automatic retry logic, ensuring content is prepared and verified for delivery in advance, thus guaranteeing quality without compromising real-time delivery speed.
Solution Approach 2:
The system changes operational parameters by dynamically adjusting the number of upload worker threads based on system load and network conditions. When network disruptions are detected, the system increases the number of retry attempts and switches to more reliable upload paths, thereby maintaining content quality while preserving delivery speed through adaptive parameter adjustment.
2Reliability
If multiple upload worker threads are used to ensure content delivery, then reliability of delivery is improved, but system complexity increases
Solution Approach 1:
The upload worker threads are designed to be self-service with automatic retry logic embedded within each thread. When a upload attempt fails, the thread automatically retries without requiring external intervention or complex coordination mechanisms. This self-service approach improves delivery reliability while minimizing system complexity by eliminating the need for centralized retry management.
Solution Approach 2:
The system segments the upload process into independent worker threads, each handling specific content segments. This segmentation allows parallel upload attempts without requiring complex inter-thread coordination, as each thread operates independently with its own retry logic. The segmentation approach improves reliability through parallel redundancy while keeping system complexity manageable by avoiding centralized control overhead.
3Reliability
If data integrity tests are performed on uploaded containers, then content quality is ensured, but upload time and processing overhead increase
Solution Approach 1:
The system implements a selective approach where data integrity tests are performed on critical content segments that are most susceptible to corruption during upload. By identifying and prioritizing these segments, the system rushes through integrity verification for high-risk content while skipping or reducing checks on lower-risk segments, thereby ensuring data integrity for critical content without excessive upload time penalties.
Solution Approach 2:
The system performs partial data integrity testing by checking only essential aspects of uploaded containers rather than进行全面 verification. This partial action approach provides sufficient quality assurance to prevent明显 defects while avoiding the time overhead of exhaustive checking, achieving a balance between reliability and upload speed through targeted rather than complete verification.
Data Source
AI summary
A system for asynchronous uploading of digital multimedia with guaranteed delivery is provided. The system comprises at least one processor and a memory coupled to the at least one processor, the memory containing computer executable instructions that, when executed by the at least one processor, cause the system to attempt by at least one upload worker thread to transmit a first container to a remote server, execute by the at least one upload worker thread a data integrity test on the first container upon a successful upload of the first container, and repeat, if the data integrity test fails, the attempt and execute steps.


