A method, a server and a client providing secured communication in a power distribution communication network

A server for providing secured communication in a power distribution communication network, comprising:

• a receiver adapted to receive a request for an insertion of a new device to the power distribution communication network;
• a processor adapted to, upon receipt of the request, check a unique identifier of the new device received in the request against a list of new devices or suppliers stored in a data storage;
• the processor adapted to upon finding a matching entry, evaluate a predetermined device or supplier certificate against a certificate of the new device received in the request;
• the processor adapted to, upon validation of the received certificate, check to determine if the new device will fit into a predetermined network topology or a relation table adapted to indicate which messages are authorized messages, wherein to determine if the new device will fit into the predetermined network topology or relation table, the identity of the new device is checked for consistency with the predetermined network topology;
• and
• a sender adapted to configure the power distribution communication network to include the new device in case the new device fits into the predetermined network topology or the relation table.

A client for providing secured communication in a power distribution communication network, comprising:

• a sender adapted to send a request for an insertion of a new device to the power distribution communication network, including a unique identifier of the new device and a certificate of the new device;
• a receiver adapted to receive a configuration of the power distribution communication network including the new device, indicating which messages are authorized messages;
• and
• a processor adapted to store the information into a predetermined network topology or a relation table.