Content Server Bandwidth Allocation via Fragment Segmentation
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Solution Overview
Problem
Current network management systems face challenges in efficiently utilizing and preserving bandwidth, especially with increasing network data traffic, as they struggle to optimize content delivery based on varying downstream bandwidth usage levels.
Innovation Solution
A content server that sends different-sized versions of requested content based on reported downstream bandwidth usage, prioritizing the delivery of larger content fragments that fit within available bandwidth, even if they are requested later, and adjusting delivery to ensure timely receipt by client devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If the content server sends larger content fragments to maximize bandwidth usage, then bandwidth utilization improves, but content delivery timing may be delayed
Solution Approach 1:
The content server divides content into multiple fragments of different sizes and sends them in sequence. By segmenting content delivery, the system can fill available bandwidth gaps with smaller fragments while reserving larger fragments for periods of higher bandwidth availability, thus maximizing overall bandwidth utilization while maintaining delivery timing.
Solution Approach 2:
The content server pre-processes content into multiple size variants and prepares a delivery schedule based on predicted bandwidth patterns. This preliminary preparation allows the server to quickly adapt to actual bandwidth conditions without compromising delivery timing, as the appropriate fragment sizes are already prepared for immediate transmission.
2Reliability
If the content server prioritizes sending content requested earlier, then content delivery reliability improves, but bandwidth utilization decreases
Solution Approach 1:
The content server dynamically adjusts the priority and size of content fragments based on real-time bandwidth conditions. When bandwidth is abundant, the server sends larger fragments for previously requested content. When bandwidth is constrained, the server adapts by sending smaller fragments or prioritizing differently requested content, thus maintaining both reliability and high bandwidth utilization.
Solution Approach 2:
The system changes the parameter of content fragment size based on bandwidth availability. Instead of always sending the same size fragments or strictly following request order, the server varies fragment sizes and delivery priorities to match current network conditions, optimizing both reliability and bandwidth usage.
3Loss of time
If the content server sends lower quality versions of content, then delivery timing is improved, but content quality deteriorates
Solution Approach 1:
The content server segments content into multiple quality versions and transmits them as separate fragments. This allows the receiver to assemble the complete content by combining fragments of varying quality, achieving both timely delivery and high final quality through progressive refinement.
Solution Approach 2:
The server sends a partial set of content fragments initially (enough for basic functionality or acceptable quality) and continues sending additional fragments to enhance quality over time. This partial action approach ensures timely delivery while progressively improving content quality as bandwidth becomes available.
Data Source
AI summary
A resource management system may use information regarding the bandwidth status of a downstream communication path to determine what portion of queued content should be sent in the current available bandwidth timeslot. In some embodiments, multiple versions of the same requested content may be available, and the system may select a lower-quality version to send if needed to meet a time deadline included in the original content request.