[Ndn-interest] what is the cost of face ?

[jinyangl at mail.ustc.edu.cn]

hello ,i find a member variable m_cost of nfd::fib::NextHop,
but what is it? whether it is the cost when we use the best-route-strategy ?
And how should we calculate is ? do we need/use it in another place ?



jinyangl at mail.ustc.edu.cn
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