Rolling upgrade of distributed software with automatic completion
US7360208B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 17, 2004 |
| Grant date | Apr 15, 2008 |
| Priority date | — |
| Expiry date | Apr 15, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/329
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system and method for facilitating an automatic rolling upgrade of distributed software. In a set of computing devices (e.g., a cluster), each node executes the distributed program, but different nodes may operate any number of different versions of the program. During a rolling upgrade of the software, the nodes all operate according to a specified acting version of the software. A node attempting the join the cluster may be required to have a software version at least equal to the acting version. When all nodes have been upgraded to a version newer than the current acting version, the acting version is reset to the lowest software version installed on a node. The rolling upgrade completes automatically when all nodes run at a specified software version (e.g., the most recent) or have the same version installed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.