Inter-node exchange of link adaptation assistance information

A method performed by a first network node for inter-network-node exchange of link adaptation assistance information associated to at least one communication device in a communication network, the method comprising:

• obtaining link adaptation assistance information associated to at least one communication device served by the first network node;
• prior to transmitting a link adaptation assistance information message to a second network node, receiving a link adaptation assistance information request from the second network node and at least one of:
• transmitting a link adaptation assistance information request acknowledgement to the second network node, the link adaptation assistance information request acknowledgement indicating whether the first network node is able to fully or only partially fulfill the link adaptation assistance information request;
• or
• transmitting a link adaptation assistance information request negative acknowledgement to the second network node;
• and
• transmitting the link adaptation assistance information message comprising the link adaptation assistance information to the second network node.