Interworking agent aimed at being installed in a network node (N1-N4) comprising a Precision Time Protocol "PTP" module, said agent comprising: - a synchronization-side interface configured to - measure Precision Time Protocol "PTP" metrics for detecting a Precision Time Protocol "PTP" signal failure, - read and modify Precision Time Protocol "PTP" parameters of the Precision Time Protocol "PTP" module, characterized in that the interworking agent further comprises - at least one network-side interface configured to - measure network metrics for selecting the optimal path for packet synchronization signals - monitor network events for detecting a network path change, - read and modify - signals exchanged with a network planning entity and, - signals exchanged between network nodes (N1-N4) at the network level in order to communicate with remote interworking agents located in other network nodes (N1-N4), the said interworking agent also comprises communication means between the synchronization side interface and the network-side interface to inform one interface of events occurring on the other interface. - a synchronization-side interface configured to - measure Precision Time Protocol "PTP" metrics for detecting a Precision Time Protocol "PTP" signal failure, - read and modify Precision Time Protocol "PTP" parameters of the Precision Time Protocol "PTP" module, characterized in that the interworking agent further comprises - at least one network-side interface configured to - measure network metrics for selecting the optimal path for packet synchronization signals - monitor network events for detecting a network path change, - read and modify - signals exchanged with a network planning entity and, - signals exchanged between network nodes (N1-N4) at the network level in order to communicate with remote interworking agents located in other network nodes (N1-N4), the said interworking agent also comprises communication means between the synchronization side interface and the network-side interface to inform one interface of events occurring on the other interface. - measure Precision Time Protocol "PTP" metrics for detecting a Precision Time Protocol "PTP" signal failure, - read and modify Precision Time Protocol "PTP" parameters of the Precision Time Protocol "PTP" module, characterized in that the interworking agent further comprises - at least one network-side interface configured to - measure network metrics for selecting the optimal path for packet synchronization signals - monitor network events for detecting a network path change, - read and modify - signals exchanged with a network planning entity and, - signals exchanged between network nodes (N1-N4) at the network level in order to communicate with remote interworking agents located in other network nodes (N1-N4), the said interworking agent also comprises communication means between the synchronization side interface and the network-side interface to inform one interface of events occurring on the other interface. - at least one network-side interface configured to - measure network metrics for selecting the optimal path for packet synchronization signals - monitor network events for detecting a network path change, - read and modify - signals exchanged with a network planning entity and, - signals exchanged between network nodes (N1-N4) at the network level in order to communicate with remote interworking agents located in other network nodes (N1-N4), the said interworking agent also comprises communication means between the synchronization side interface and the network-side interface to inform one interface of events occurring on the other interface. - measure network metrics for selecting the optimal path for packet synchronization signals - monitor network events for detecting a network path change, - read and modify - signals exchanged with a network planning entity and, - signals exchanged between network nodes (N1-N4) at the network level in order to communicate with remote interworking agents located in other network nodes (N1-N4), the said interworking agent also comprises communication means between the synchronization side interface and the network-side interface to inform one interface of events occurring on the other interface. - signals exchanged with a network planning entity and, - signals exchanged between network nodes (N1-N4) at the network level in order to communicate with remote interworking agents located in other network nodes (N1-N4), the said interworking agent also comprises communication means between the synchronization side interface and the network-side interface to inform one interface of events occurring on the other interface.