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37 lines
1.6 KiB
Plaintext
37 lines
1.6 KiB
Plaintext
== Internet tunnels and Netsukuku ==
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Internet tunnels can be used to link Netsukuku nodes.
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Generally, it isn't a good idea because Netsukuku is meant to be a
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physical net, in fact, if the links are based on a lower network (the
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Internet), Netsukuku becomes dependent on it.
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If Netsukuku becomes dependent on another network, all the advantages of
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having a parallel net to the Internet are lost.
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However the Internet tunnels can be useful.
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Consider this scenario:
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there two large gnode in two near cities and it is difficult to link the
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cities, f.e. using a wireless hook.
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In this case they can be linked with the use of Internet tunnels.
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Some of nodes with the best Internet connection will be linked to the nodes of
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the other city. In this way the links will be like real physical links,
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because they'll have the same topological meaning, and the delay between the
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two gnode won't be high (the cities are near).
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Moreover the ISPs will be used to connect two large gnode, therefore the
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Netsukuku net will be partially dependent on the Internet.
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These tunnels have to be created manually.
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It is important to not create tunnels which undermine the topological meaning
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of physical links, thus you must not create a tunnel between Tokyo and
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Amsterdam.
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If there is the danger that the ISPs used to create the tunnels will try to
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tap them, it is possible to create encrypted tunnels, or even better the
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tunnel can be encrypted and routed through different routes using Tor. In the
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latter case the link bandwidth will be heavily afflicted therefore this
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countermeasure must be used with caution.
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For an example on how to link two nodes using a tunnel see ["Ntk_vpn_test"].
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