Patent ID: 9047250
Filing Date: 2015-06-02
Classification: G06F

Abstract:
1. A method of providing failover processing between a first element and a second element, the first element and the second element each being suitable for performing a data processing function in a data communications network, the method comprising: configuring a first channel and a second channel between the first and second elements, said first and second channels comprising different physical data paths; receiving at the first element, via the first channel, first data signals representative of functioning statuses of the second element, the first channel being configured to allow a non-optimal, partly functioning status of the second element to be communicated to the first element; receiving at the first element, via the second channel, second data signals representative of functioning statuses of the second element, the second channel being configured to allow a failed functioning status of the second element to be communicated to the first element; and conducting failover processing based on both the first and second data signals.