does p2p filesharing need a static ip -

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ok. creating teamviewer app. , p2p connection best route based on research on p2p. want know weather teamviewer works on p2p, , possible create such app without using dedicated server , static public ip address. mean know nodes in p2p n/w act equal, how these maintain connection having dynamic ip addresses. hoping can explain how p2p establishes this.

they not need static ip. in absence of static ip need discovery / address exchange mechanism allows nodes find each other.

overlay networks dhts/gossip protocols/supernodes used such thing, simple user manually entering current ip address.

in practice reachability bigger concern. nats , firewalls may prevent incoming connections. if both nodes cannot accept incoming connections neither can connect other.


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