[chord] node how to join p2p network in real world

[Frank Dabek]

william wrote:
> Hi,dear p2per
>   I have question that in real world,how the node join p2p network?I
> think it should  send some broadcast information to network?But the
> broadcast information are limited in LAN,can not contraverse the
> gateway?But if in LAN,no node,how the node join to fix on its
> location.
>   I think meet first node which in the p2p network is a key step in
> joining procedure.So I want to know the node's join procedure in real
> p2p network.

In chord:

A node must know the identity (IP address, port) of at least one node in 
the network prior to joining. It can learn about this "well-known" node 
  out-of-band (perhaps a listing in a web page, or a DNS entry).

Once a node contacts the well-known node, it looks up its own IP address 
to learn its successor and inserts itself into the ring.

--Frank

>   I need help,thanks a lot.
> 
> Sincerely
> William
> 6.15
> 
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