| Conference |
| Type of Publication |
| A Global View of KAD |
| Title |
|
Ernst W. Biersack
Taoufik En-Najjary
|
| Authors |
| Proceedings of the Internet Measurement
Conference, San Diego, USA, August 2007 |
| Published in |
| Distributed hash tables (DHTs) have been
actively studied in literature and many different proposals have
been made on how to organize peers in a DHT. However, very few
DHTs have been implemented in real systems and deployed on a
large scale. One exception is KAD, a DHT based on Kademlia, which
is part of eDonkey2000, a peer-to-peer file sharing system with
several million simultaneous users. We have been crawling KAD
continuously for about six months and obtained information about
the total number of peers online and their geographical
distribution. Peers are identified by the so called KAD ID, which
was up to now assumed to remain the same across sessions.
However, we observed that this is not the case: There is a large
number of peers, in particular in China, that change their KAD
ID, sometimes as frequently as after each session. This change of
KAD IDs makes it difficult to characterize end-user availability
or membership turnover. |
| Abstract |
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