Patent ID: 8533303
Filing Date: 2013-09-10
Classification: H04L

Abstract:
1. A network management system [NMS] node for re-configuring a set of data network nodes in a data network in response to a change management request requesting a creation of a network service to be performed in the data network, the network management system node comprising a processing unit configured to: receive network service code operable to cause creation of the network service in the data network based on the change management request requesting the creation of the network service; determine, based on the received network service code, each change of network service information in created, added and/or updated data network nodes in the resulting set of data network nodes to be established by the reconfiguration of the set of data network nodes in order to make the network service operable; store each determined change as a change-set of network service information; associate the change-set of network service information with a network service instance indicating the moment of the creation of the network service; and retrieve and use the stored change-set of network service information in a subsequent re-configuration of the resulting set of data network nodes based on a subsequent change management request requesting a deletion or a modification of the service resulting from the change management request requesting the creation of the network service so as to enable automatic deletion or modification of the service without requiring additional network service code operable to cause deletion or modification.