Managing watcher information in a distributed server environment
US7814051B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 9, 2008 |
| Grant date | Oct 12, 2010 |
| Priority date | — |
| Expiry date | Oct 11, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L65/1104
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system for managing watcher information in a distributed server environment, including a watcher information database configured to store records, any of the records populated by a watcher identifier, a presentity identifier, a list of unique identifiers of a plurality of subscriptions by the watcher, a watcher state field indicating a current state of the watcher, and an event field indicating an event that last caused the state of the watcher to change, each record representing a different pair of a watcher and a presentity pair, and where each of the records maintains a single state for one or more subscriptions by a watcher to receive presence information regarding a presentity, and a plurality of presence servers, where each of the presence servers is configured to modify any of the records to reflect the current state of a watcher for any subscription indicated in the record.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.