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# fnss.netconfig.capacities.set_capacities_random_zipf

`set_capacities_random_zipf`(topology, capacities, capacity_unit='Mbps', alpha=1.1, reverse=False)

  Set random link capacities according to a Zipf probability density function.

  The same objective can be achieved by invoking the function `set_capacities_random_zipf_mandlebrot` with parameter q set to 0.

  This capacity allocation consists in the following steps:

  1. All capacities are sorted in descending or order (or ascending if reverse is True)
  2. The i-th value of the sorted capacities list is then assigned to a link with probability

  Parameters: | topology : Topology The topology to which link capacities will be set capacities : list A list of all possible capacity values capacity_unit : str, optional The unit in which capacity value is expressed (e.g. Mbps, Gbps etc..) alpha : float, default 1.1 The :math`lpha` parameter of the Zipf density function reverse : bool, optional If False, lower capacity links are the most frequent, if True, higher capacity links are more frequent

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