Nokia Solutions and Networks Oy

Nortel Networks Corporation

Frederic Guilbeault

Yves Beauville

Geoff I Baskwill

A method for restoring a network slice includes receiving a request to restore the network slice to a previous configuration, the previous configuration and a current configuration of the network slice being stored in a datastore, generating sets of subtrees from device-specific data in the current configuration and the previous configuration to be added, removed, or replaced in the current configuration, and restoring the network slice to the previous configuration based on the sets of subtrees.

Restoration of a network slice

In a method for managing a physical network, whether a slice owner of a virtual network slice in the physical network is allowed to view a network information message is determined based on at least one of classification metadata or allocation metadata associated with the virtual network slice. The network information message, which is received from the physical network, includes at least one of (i) an autonomous notification from a network node in the physical network or (ii) operational data for the network node in the physical network. The network information message is provided to the slice owner in response to determining that the slice owner is allowed to view the network information message.

Network slice management

A software installation manager for use in a data network. The software installation manager exchanges messages with individual nodes of a set of nodes for directing the installation of a software product on the nodes of the set in parallel according to a non-blocking sequence. The non-blocking sequence is characterized in that the installation of a software product on one node of the set does not block the installation of the software product on another node of the set.

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Frederic Guilbeault