Re: [Gzz] hemppah's research problems document

[hemppah]

Quoting Tuomas Lukka <address@hidden>:


> > 
> > More vulnerable to attacks than what?
> > 
> > Are you *seriously* suggesting that the DHT should store the actual
> blocks?
> 
> What I'm seriously saying is that 
> 
> 1) DHT storing the actual blocks is
>       + pretty well understood
>       + quite efficient, robust and not too attackable
>       - not good for us, because data is where the network wants it,
>         not where users want it to be
> 2) DHT storing IPs of nodes is
>       + in some ways what we'd like, because data is where users
>         want it
>       - not well understood and researched
>       - efficiency unknown, if nodes blink in and out:
>               in a DHT, the nodes nearby would notice that some node
>               is down and remove it from the routing tables. In your
>               suggestion ("benjanet" ;), the actual IP would be what
>               everyone gets and tries to access.
>       - unknown if we can ensure that data is reasonably replicated
>       - quite easy to attack in various ways
> 
> I'm saying that the assumption, when talking about DHTs is 1), since
> that's the alternative that's known.
> 
> 2) is not at all known, and has potentially huge drawbacks.

Am I missing something important here ? AFAIK, DHTs only maintains the
distributed mappings of data key --> ip-address values (at least Kademlia based
DHTs). The ip-addess is the computer which provided the service into the 
network.

Please confirm this and tell me if I'm wrong.

-Hermanni




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