Patent ID: 9300642
Filing Date: 2016-03-29
CPC Classification: H04L

Claim Text:
1. A method, comprising: establishing a first data communications session between a first router and a second router; after a reboot, a reset, or unavailability of the first router, receiving from the first router a first request to establish a second data communications session between the first router and the second router; in response to receiving from the first router the first request to establish the second data communications session between the first router and the second router, the second router sending to the first router a probe message that is configured to test whether the first data communications session is responsive; only in response to determining that the first router has not acknowledged the probe message before a probe timer has expired and receiving from the first router a retransmission of the first request to establish the second data communications session with the first router, the second router establishing the second data communications session with the first router and deleting a state for the first data communications session; wherein the method is performed by one or more processors.