Re: Using the DHT to find download sources

> The original Kademlia specs are aimed at providing a true
Distributed Hash
> Table (DHT) layer. Like a hash table (HT), the DHT will offer
PUT(key, value)
> and GET(key) features.  But the Kademlia DHT, just like the HT, does not
> make provision for multiple values under the same key.  That is, PUT
will
> override the value already stored under the key.
> 
> A natural usage of a DHT in Gnutella would be to have keys be the SHA1
> of files (or the SHA1 of your binary GUID to store push-proxies) and the
> value you put is simply your IP:port.  By issuing PUT(key, IP:port),
> you tell the DHT that you supply "key" at IP:port.  If key is a SHA1,
> it means you offer the file, if key is the SHA1 of your GUID, it means
> the IP:port is the address of your push-proxy.
> 
> Therefore the Gnutella DHT is not meant to store a single value at a key
> but an array of IP:port instead.

FYI: in the current Mojito DHT implementation, different values can be
stored under the same key (primary key). Different values under the
same primary key can be identified by a secondary key. 

Peng