Patent ID: 9531589
Filing Date: 2016-12-27
CPC Classification: H04L

Claim Text:
1. A method executed by a network device in a network, the method comprising: receiving, at a change listener in the network device, a change request for a configuration change of the network device; invoking, by the change listener, a change agent in the network device; creating, by the change agent, a change impact monitor in the network device according to a profile associated with the configuration change; interacting, by the change impact monitor, with monitoring instrumentation in the network device; taking, by the monitoring instrumentation, a first snapshot of performance indicators when the configuration change is applied; taking, by the monitoring instrumentation, a second snapshot of the performance indicators a predetermined duration after applying the configuration change, wherein the predetermined duration is timed by a change impact assessment timer operated by the change impact monitor; computing a rate from differences in the performance indicators between the first snapshot and the second snapshot and the predetermined duration; and generating, by the change agent, a change impact notification describing the first snapshots the second snapshot and the rate.