Patent ID: 9575850
Date: 2017-02-21
CPC Classifications: G06F

Claim:
1. A method for synchronously running an application in a high availability environment including a plurality of calculating modules interconnected by a very high-speed broad band network, the method comprising: configuring the plurality of calculating modules into a plurality of partitions including at least: running the application on each running partition, inputs-outputs processed by the primary partition being transmitted to the secondary running partition via the monitoring partition which logs the inputs-outputs as transactions distributed between the primary running partition and the secondary running partition, synchronizing executions on the primary partition and on the secondary partition by numbering microprocessor context changes, a time deviation corresponding to a difference between a current context numbers, on the primary and secondary running partitions, having to be lower than a given value; transmitting an error signal to the monitoring partition, said signal being characteristic of a failure in a module of a running partition; continuing the running by switching to a degraded mode, the running continuing on a single partition, and in the case of a failure of a module of the primary running partition, performing a changeover operation, the secondary running partition becoming the new primary running partition.