Speculative caching in a content delivery network
US11272028B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2020 |
| Grant date | Mar 8, 2022 |
| Priority date | — |
| Expiry date | Apr 29, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L67/568
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A server in a content delivery (CD) network that distributes content on behalf of one or more subscribers. Responsive to a request from a client for a particular resource, if the particular resource is already in a cache on the server, serving the particular to the client from the cache; otherwise if the particular resource is not already cached on the server, when a count value exceeds a first threshold value, obtaining, caching, and serving the particular resource. When the count value is less than a second threshold value, obtaining and serving the particular resource. When the count value is: (i) not less than the second threshold value, and (ii) not greater than the first threshold value, then obtaining the particular resource and selectively caching the particular resource; and serving the particular resource to the client.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.