19. A method of generating an event message enabling determination of a correlation among events occurring in one or more network elements, wherein the correlation among the events results from a propagation of a root event through communication entities of the one or more network elements, the method being carried out in a network element and comprising: detecting occurrence of an event in a first communication entity of the network element, wherein the events comprise at least one of alarm events and performance events, and wherein the performance events comprise at least one of a counter and a key performance indicator; determining one or more context identifiers describing an internal communication state of the first communication entity at the time when the event occurred; generating the event message configured to signal two or more of the context identifiers pertaining to different communication entities involved in the event; and reporting the event message towards a central network management entity, wherein each context identifier comprises a first parameter indicative of a context type and a second parameter indicative of an associated identification value, and wherein two events are determined to be correlated when event messages associated with the two events: (i) comprise at least one of the context identifiers of the same context type; and (ii) have the same identification value.
19. A method of generating an event message enabling determination of a correlation among events occurring in one or more network elements, wherein the correlation among the events results from a propagation of a root event through communication entities of the one or more network elements, the method being carried out in a network element and comprising: detecting occurrence of an event in a first communication entity of the network element, wherein the events comprise at least one of alarm events and performance events, and wherein the performance events comprise at least one of a counter and a key performance indicator; determining one or more context identifiers describing an internal communication state of the first communication entity at the time when the event occurred; generating the event message configured to signal two or more of the context identifiers pertaining to different communication entities involved in the event; and reporting the event message towards a central network management entity, wherein each context identifier comprises a first parameter indicative of a context type and a second parameter indicative of an associated identification value, and wherein two events are determined to be correlated when event messages associated with the two events: (i) comprise at least one of the context identifiers of the same context type; and (ii) have the same identification value. 20. The method of claim 19 , wherein the two or more context identifiers include at least one first context identifier relating to the first communication entity of the reporting network element and at least one second context identifier relating to a second communication entity of a network element on a peer side of the reporting network element, and wherein information regarding the second context identifier relating to the peer side has been obtained by the reporting network element during: at least one of a context setup process and a configuration process from the central network management entity; or a context exchange process from the network element on the peer side.