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METHOD FOR TRANSMITTING AND/OR RECEIVING NETWORK LAYER REACHABILITY INFORMATION BY A NETWORK NODE OF A TELECOMMUNICATIONS NETWORK, TELECOMMUNICATIONS NETWORK, NETWORK NODE, PROGRAM AND COMPUTER PROGRAM PRODUCT
METHOD FOR TRANSMITTING AND/OR RECEIVING NETWORK LAYER REACHABILITY INFORMATION BY A NETWORK NODE OF A TELECOMMUNICATIONS NETWORK, TELECOMMUNICATIONS NETWORK, NETWORK NODE, PROGRAM AND COMPUTER PROGRAM PRODUCT
The invention relates to a method for transmitting and/or receiving network layer reachability information by a network node of a telecommunications network, wherein the telecommunications network comprises a plurality of network nodes, wherein the telecommunications network is an IP (Internet Protocol) packet data network, wherein the network node provides a routing and/or forwarding operation of IPv6 data packets on the network layer (layer 3) according to the OSI model (Open Systems Interconnection model), wherein the network node transmits network layer reachability information to a further network node of the plurality of network nodes and/or receives network layer reachability information from a third network node of the plurality of network nodes, wherein the method comprises at least the step of: transmitting network layer reachability information to the further network node and/or receiving network layer reachability information from the third network node, wherein the network layer reachability information is, at least partly, defined based on an address information and a bit mask, the bit mask defining at least a first relevant binary digit of the network layer reachability information and/or the address information, and a second relevant binary digit of the network layer reachability information and/or the address information such that the first and second relevant binary digits of the bit mask are separated - within the bit mask - by at least one non-relevant binary digit of the bit mask.
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