| 摘要 |
The invention describes a license management system for elements of an IT-network, wherein the licensing of special functions which a network element shall execute consists of two steps. In the first step, all members of a previously defined group of network elements are assigned to this group by a group license key which contains an information element characterizing this group. In a second step, the network element checks all subsequently received license keys, if these also contain an information element which characterizes the same group. If the check is successful, the licensed special functions will be executed, if not, the license key is regarded as not valid for this network element and the special functions will not be executed.
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