METHOD AND NETWORK ENTITY FOR CHECKING, IN AN IP BASED COMMUNICATIONS NETWORK, A STATUS OF A DESTINATION NETWORK

摘要

Method for checking, in an IP based communications network, a status of destination network entity. The method comprises transmitting, by a requesting network entity, a probe request towards the destination network entity. Said probe request requests said destination network entity to indicate to the requesting network entity its status. The method further comprises transmitting by the destination network entity, or a service acting for the destination network entity, in response to receiving the probe request, a final response. Herein the final response provides an indication of the status of the destination network entity.