Re: Re: DHT vs Gnutella

Am Dienstag 05 August 2008 22:11:15 schrieb [email protected]:
> Quoting Nikolay Raspopov <[email protected]> from ml.gnutella.dev-forum:
> : RM> That's why we need to bring a different kind of structure to the
> : RM> network, such as the one provided by Kademlia, to be able to
> : RM> efficiently search the rare data with assurance to find it if it
> : RM> exists.
> :
> :Can not agree. Prove it.
>
> In a flood model, search horizon is limited, so you cannot reach the whole
> network and you cannot know which nodes hold the data you want. Therefore
> finding rare items is just pure luck.

Adding to that: In the enhanced flood model Gnutella uses, Spam can hinder 
searches for rare files (but the needed bandwidth is about two orders of 
magnitude smaller than in a simple two-tiered flood model thanks to QRP and 
Dynamic Querying). 

Best wishes, 
Arne

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