Cache Partitioning for Connection-Specific Data Access
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Solution Overview
Problem
Current caching technologies do not provide enhanced access to data stored in caches, limiting the ability of user applications to directly retrieve data elements and restricting access based on connection-specific activity, which hampers efficient data retrieval and management.
Innovation Solution
Implementing a caching system that allows user applications to directly access data elements stored in a cache by intercepting requests, sending copies of data as responses, and maintaining data partitions based on connections, enabling efficient retrieval and management of data elements while restricting access to connection-specific data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If a cache stores copies of data from remote sources, then data access speed is improved, but access control and security management become more complex
Solution Approach 1:
The cache is segmented into multiple partitions, with each partition associated with a specific connection or data source. This segmentation enables fine-grained access control where each connection can only access its designated partition, simplifying security management while maintaining fast access speeds for authorized data.
Solution Approach 2:
The cache acts as an intermediary layer between user applications and remote data sources. It manages access control policies and enforces connection-specific access rules, shielding applications from the complexity of security management while providing rapid data retrieval for authorized requests.
2Productivity
If the cache allows direct access to all cached data, then data retrieval efficiency is improved, but data security and access control are compromised
Solution Approach 1:
The cache is divided into multiple secure partitions, each accessible only by specific connections or applications. This segmentation enables direct access within partitions (maintaining efficiency) while enforcing security boundaries (maintaining reliability).
Solution Approach 2:
Different security policies and access permissions are applied to different partitions of the cache. Each partition has its own access control characteristics, allowing optimized direct access for authorized connections while maintaining security through localized access restrictions.
3Adaptability or versatility
If the cache stores data from multiple connections, then data availability is improved, but access management and connection tracking become more complex
Solution Approach 1:
The cache is partitioned into connection-specific segments, where each partition stores data from a specific connection. This segmentation provides versatile data availability across multiple connections while simplifying access management through automatic partition-based routing and isolation.
Data Source
AI summary
Enhanced access data available in a cache. In one embodiment, a cache maintaining copies of source data is formed as a volatile memory. On receiving a request directed to the cache for a copy of a data element, the requested copy maintained in the cache is sent as a response to the request. In another embodiment used in the context of applications accessing databases in a navigational model, a cache maintains rows of data accessed by different user applications on corresponding connections. Applications may send requests directed to the cache to retrieve copies of the rows, populated potentially by other applications, while the cache restricts access to rows populated by other applications when processing requests directed to the source database system. In another embodiment, an application may direct requests to retrieve data elements caused to be populated by activity on different connections established by the same application.