File server system and method for scheduling data streams according to a distributed scheduling policy
US6401126B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 10, 1999 |
| Grant date | Jun 4, 2002 |
| Priority date | — |
| Expiry date | Mar 10, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99937
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A distributed file server system has multiple data servers connected to stream data files continuously over a network to multiple clients. Data files are distributed across the data servers so that data blocks of the data files are stored at manage distributed portions of a schedule. Each data server sees a different portion of the schedule, but no one data server sees the whole schedule. The scheduler facilitates service of requested data streams from its corresponding data server according to a schedule portion that is available to the data server. The scheduler determines whether to insert a new data stream into the current slot it presently owns in its schedule portion, or to wait for a subsequent slot in the schedule based on a thrifty policy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.