Bandwidth Load Balancing for Live Video Streaming
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Solution Overview
Problem
Content delivery services face inefficiencies in bandwidth allocation among encoding nodes, leading to inefficient resource utilization and potential delays or lossy transmissions during high-demand events like live streaming, due to the lack of communication functionality and dynamic bandwidth management.
Innovation Solution
A management framework utilizing IoT-based protocols, such as MQTT, for encoding nodes to measure and share bandwidth attributes, allowing a management service to allocate bandwidth based on load balancing, performance, and priority criteria, ensuring optimal distribution and reducing competition among nodes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple encoders independently compete for bandwidth without coordination, then each encoder attempts to maximize its own transmission quality, but overall bandwidth utilization becomes inefficient and transmission reliability decreases
Solution Approach 1:
The patent implements a feedback mechanism where encoders report their bandwidth usage and transmission status to a central management service, which then adjusts bandwidth allocation dynamically. This feedback loop enables coordinated bandwidth management, improving both transmission reliability and overall bandwidth utilization efficiency by preventing the inefficiencies of independent competition.
Solution Approach 2:
The patent introduces a management service as an intermediary between multiple encoders and the bandwidth resource. This mediator coordinates bandwidth allocation, resolves conflicts between encoders, and optimizes overall system performance. The intermediary enables efficient bandwidth utilization while maintaining high transmission reliability through centralized control.
2Ease of operation
If bandwidth is allocated statically to encoders, then resource allocation is simple to manage, but bandwidth competition occurs during high-demand events leading to transmission delays and quality loss
Solution Approach 1:
The patent implements dynamic bandwidth allocation where the management service continuously monitors encoder performance, traffic conditions, and transmission quality, then adjusts bandwidth allocation in real-time. This dynamic approach maintains transmission quality during high-demand events while keeping management complexity acceptable through automated decision-making algorithms.
Solution Approach 2:
The patent changes the bandwidth allocation parameter from static to dynamic based on real-time system conditions. The management service adjusts bandwidth parameters (allocation amounts, priority levels) according to current traffic patterns and encoder needs, ensuring high transmission quality during peak demand while maintaining operational simplicity through rule-based or AI-driven automation.
3Productivity
If encoders are configured with communication functionality for bandwidth coordination, then bandwidth allocation efficiency improves, but device complexity and configuration difficulty increase
Solution Approach 1:
The patent uses a management service as an intermediary that handles the complex coordination logic externally, allowing encoders to remain relatively simple devices. The management service implements the sophisticated bandwidth allocation algorithms and communication protocols, while encoders simply report their status and receive allocation instructions, thus maintaining high bandwidth allocation efficiency without significantly increasing encoder device complexity.
Solution Approach 2:
The patent implements a self-service mechanism where the management service automatically configures and optimizes bandwidth allocation without requiring manual encoder configuration. The system self-adjusts based on monitored performance metrics, reducing configuration complexity while maintaining high allocation efficiency through automated decision-making and adaptive optimization.
Data Source
AI summary
A system and method for management of bandwidth shared by a plurality of video content encoders is provided. A management service coordinates an unequal allocation of available bandwidth among a set of encoding nodes. The management service can receive measured bandwidth attributes from a plurality of encoding nodes to determine a total available bandwidth. The management service can then allocate the available bandwidth in an unequal distribution based on a designated role of the encoders. The management service can then transmit the allocated bandwidth to the encoding nodes.