RE: Japan

From: Jonathan Lee <>
Date: Thu, 7 Jun 2007 10:46:24 -0700

Three main p2p in Japan. Winny, Share, Perfect Dark.



Winny (also known as WinNY) is a Japanese peer-to-peer
<> (P2P) file-sharing
<> program that claims to be
loosely inspired by the design principles behind the Freenet
<> network and that also claimed to
keep user identities untraceable. While Freenet was implemented in Java,
Winny was implemented as a Windows C++ application. The software takes
its name from WinMX <> , where the M
and the X are raised one letter in the Latin alphabet, to N and Y. As of
September 2003 <> , there were
250,000 users of the program according to the Tokyo-based Association of
Copyright for Computer Software. According to P2Pnet, it was the most
popular file-sharing program in Japan, with WinMX
<> in second place.



Share is the name for a closed-source
<> P2P
<> application being developed in Japan
by an anonymous author. Since the author of Winny
<> was arrested, Share was developed
as its successor, also focusing on higher security. Share functions in
much the same manner as Winny, using encrypted caches, filenames and IP
addresses, and is based on the same node organized architecture as



Perfect Dark is the file sharing software which
583%2588> operates with Windows
<> . It is in the midst of developing
the chairman with the anonymous writer whom you are identified, finally
you have aimed toward those which can become the succession of Winny
<> and Share
25E3%2582%25A6%25E3%2582%25A7%25E3%2582%25A2%29> . Presently, it is in
the midst of the open





-----Original Message-----
From: Randy Saaf
Sent: Thursday, June 07, 2007 6:23 AM
To: Ben Grodsky; Jay Mairs; Jonathan Lee; Neil Saxby
Cc: Octavio Herrera
Subject: Fw: Japan




Can you and jay give a quick look at what people in japan are using for




----- Original Message -----

From: Gathercole, Paul <>

To: Octavio Herrera; Randy Saaf; Neil Saxby

Cc: Denby, Mark <>

Sent: Thu Jun 07 06:13:21 2007

Subject: Japan


Good to see you all last night.




Would you be able to take some time and give me a view of how you see
the P2P landscape in Japan?


I am aware of at least three networks with particular popularity in
Japan - Winny, WinMX and Share.


Do you know how big these networks are? Which do you cover? Do you have
local connectivity there?


How do you perceive the threat of P2P in Japan?




Any thoughts/figures you can send over to help us start to understand
would be great.










Paul Gathercole


Director Anti-Piracy




Universal Music Group International - Digital


1 Sussex Place


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Received on Fri Sep 14 2007 - 10:55:53 BST

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