System and method for maintaining consistent independent server-side state among collaborating servers
US7024451B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 5, 2001 |
| Grant date | Apr 4, 2006 |
| Priority date | — |
| Expiry date | Nov 14, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/329
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system and method are provided for maintaining consistent server-side state across a pool of collaborating servers with independent state repositories. When a client performs an event on a collaborating server which affects such state on the server, it publishes notification of the event into a queue maintained in client-side state which is shared by all of the collaborating servers in the pool. As the client makes requests to servers within the pool, the queue is thus included in each request. When a collaborating server needs to access its server-side state in question, it first discerns events new to it from the queue and replicates their effects into such server-side state. As a result, the effects of events upon server-side state are replicated asynchronously across the servers in the pool, as the client navigates among them.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.