Content Decay Parameters for Distributed Network Storage Management
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Solution Overview
Problem
In distributed networks, managing storage space is challenging as content popularity decreases over time, leading to a need for effective removal of less popular content to accommodate newer content without completely deleting it, as some users still desire access to older content.
Innovation Solution
Implementing content decay parameters that define a lifetime for content on the network, allowing communication nodes to periodically process these parameters to determine whether to delete content based on a decay equation, such as linear or exponential decay rates, to maintain an optimal number of copies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If content is removed from communication nodes to accommodate newer content, then storage space is optimized for newer content, but accessibility of older content decreases
Solution Approach 1:
The patent applies local quality by allowing different communication nodes to retain different numbers of content copies based on their local conditions and the specific content's decay parameters. Each node independently determines whether to remove content based on its storage state and the content's age, creating a non-uniform distribution where popular or recently accessed content retains more copies across the network while less popular content is removed from specific nodes. This resolves the contradiction by optimizing storage space on individual nodes without uniformly reducing accessibility across the entire network.
Solution Approach 2:
The patent implements dynamics through time-varying content decay parameters that cause the number of content copies to change over time. The decay rate is not static but evolves as content ages, with the system dynamically adjusting the number of replicas based on content lifetime, access patterns, and storage availability. This dynamic approach allows the system to maintain adequate accessibility during the content's useful life while automatically reducing storage requirements as content becomes less relevant, thereby resolving the static contradiction between storage optimization and accessibility.
2Quantity of substance
If all instances of content are deleted from the distributed network, then storage space is fully freed, but user access to the content is completely lost
Solution Approach 1:
The patent applies partial action by removing content from only some communication nodes rather than all nodes in the network. The content decay parameters and random determination mechanism ensure that a controlled number of copies are removed from the network over time, rather than deleting all instances. This partial removal approach frees up storage space on individual nodes while maintaining sufficient content availability across the network, resolving the contradiction between complete space reclamation and complete information preservation.
Solution Approach 2:
The system implements feedback through monitoring content access patterns, storage availability, and decay parameter evolution to dynamically adjust content retention decisions. Communication nodes continuously evaluate whether to remove content based on current network conditions and content lifecycle stage, creating a feedback loop that balances storage optimization with maintaining adequate content availability. This feedback mechanism prevents complete content deletion by retaining copies when accessibility is still demanded, while freeing space when content becomes obsolete.
3Reliability
If content is retained on all communication nodes, then content accessibility is maximized, but storage space consumption increases
Solution Approach 1:
The patent applies parameter changes by modifying the number of content replicas across the network based on content age, access frequency, and storage conditions. Instead of maintaining a fixed number of copies on all nodes, the system changes the replication parameter dynamically through content decay mechanisms. This allows the network to maintain high accessibility for popular and recent content while reducing storage consumption for older or less accessed content, resolving the contradiction between universal accessibility and storage efficiency.
Solution Approach 2:
The patent segments the content population into different categories based on age, popularity, and decay parameters, applying different retention strategies to different segments. Rather than treating all content uniformly across all nodes, the system divides content into segments that require different numbers of replicas, with newer and more popular content retaining more copies and older content having fewer copies. This segmentation approach maintains accessibility for important content segments while reducing overall storage consumption across the network.
Data Source
AI summary
Described herein are techniques for managing content stored on a distributed network. Content is initially placed onto the network and populated across one or more nodes. The content is distributed in association with decay parameters that define a lifetime for the population of the content on the network. Various communication nodes of the distributed network are configured to process the content decay parameters to determine whether to delete the content during subsequent time periods.