Utilizing informed throttling to guarantee quality of service to I/O streams
US7774491B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2009 |
| Grant date | Aug 10, 2010 |
| Priority date | — |
| Expiry date | Jan 30, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/329
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system for utilizing informed throttling to guarantee quality of service to a plurality of clients includes a server core having a performance analyzer that compares a performance level received by a client to a corresponding contracted service level and determines if the client qualifies as a victim whose received performance level is less than the corresponding contracted service level. The performance analyzer is further configured to identify one or more candidates for throttling in response to an I/O stream receiving insufficient resources by determining if the client qualifies as a candidate whose received performance level is better than the corresponding contracted service level. The server core further includes a scheduler that selectively and dynamically issues a throttling command to the candidate client, and provides a quality of service enforcement point by concurrently monitoring a plurality of I/O streams to candidate clients and concurrently throttling commands to the candidate clients.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.