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Q about ip address and node id relationship



Hi all,

I have two Q.:
1)if I have a packet sent to a node n (i.e I have n_id), how to find the
ip address of n(i.e. how to obtain n's ip address from n id)? 

2) in Marc Greis's ping example, there is the code line(recv in
ping.cc):
hdrip->src_ >> Address::instance().NodeShift_[1]
what does this line do? and where to find a reference doc. about
NodeShift?

thanks in advance

-- 
Ghassan CHADDOUD
LORIA/INRIA-Lorraine, Campus Scientifique BP 239
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