Dynamic caching and eviction policy in different points-of-presence of a content delivery network
US11442857B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2021 |
| Grant date | Sep 13, 2022 |
| Priority date | — |
| Expiry date | Apr 17, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/601
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Dynamic caching policies and/or dynamic purging policies are provided for modifying the entry and eviction of content to the cache (e.g., storage and/or memory) of a caching server based on the current and past cache performance and/or demand. The caching server may modify or replace a configured policy when cache performance is below one or more thresholds. Modifying the caching policy may change caching behavior of the caching server by changing the conditions that control the content that is entered into cache or the content that is deferred and not entered into cache after a request. This may include assigning different probabilities for entering the same content into cache based on different caching policies. Modifying the purging policy may change eviction behavior of the caching server by changing the conditions that control the cached content that is selected and removed from cache.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.