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Wuala - a distributed file system



Uploaded by: googletechtalks
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Google Tech Talks October, 30 2007 ABSTRACT After three years of research and development on a distributed storage system, we are ready to unveil the result: Wuala. Wuala is a new way of storing, sharing, and publishing files on the internet. Unlike traditional online storage systems, Wuala is decentralized and can harness idle resources of participating computers to build a large, secure, and reliable online storage. This enables its users to trade parts of their local storage for online storage and it allows us to provide a better service for free. In the talk, I will explain what Wuala is and how it works, and I will also show a demo. All attendees will also get an invitation code to join the early alpha version. Speaker: Dominik Grolimund I am 26 years old and have studied computer science at ETH Zurich. In 1998, I founded my software company Caleido, and developed the Caleido Address-Book, a professional contact management software, of which over 35'000 licenses have been sold so far in Switzerland, Germany and Austria. In 2003, I did an exchange semester at the TU Delft, the Netherlands, as part of the Unitech exchange program, focusing on business and management. In 2004, a six-month internship followed with Siemens Corporate Research in Princeton, New Jersey in the US, where I worked in the 'Intelligent Vision & Reasoning' department, developing a prod...


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It is true you ... ( 1 year ago by azopteks)
It is true you don't get as much as you share but what you get is a different kind of storage. Universally accessible from any Wuala client and fault tolerant. Also you are only deducted what you add into to Wuala once, not for every replication. So 7gb would only be 7gb not 35gb.
I have a question ... ( 11 months ago by tehhu1k)
I have a question about privacy. As you said you have (or want to have) flags for copyrighted/inappropriate material. However, as the files in question are encrypted how do you 'legally' gain access to them and review their content? Saving encryption keys on your servers sounds dangerous from a privacy,if not a legal, stand point (unless you explicitly mention such a situation in the EULA). Either way, I'm excited about such technology and really liked the video. Nice one! :]
Hi Dominik, Nice ... ( 11 months ago by den1s12)
Hi Dominik, Nice work, I have a little concern though. How will you manage the balance between the stored and the uploaded data on the long run (when the google servers are out of the picture) if let's say every user wants to upload 7g, which represents 35g in the system, but on the other hand "only" 10g data is stored at every peer?
This imo is the ... ( 11 months ago by MaZe741)
This imo is the beginning of the end of copyright.... right? a huge scale professional p2p network and easy to use? bomb!
i think i didn't ... ( 11 months ago by dominikgrolimund)
i think i didn't explain that point well enough. let's say you revoke access to a folder to marc. then marc doesn't have access to that folder anymore immediately. lazy revocation is only on a technical level: only if marc had a hacked client which would keep the access key to that folder, he could decrypt the files he had access to before as long as there are no changes to the folder (add, edit, remove). see our cryptree paper or lazy revocation in general for details.
we only see files ... ( 11 months ago by dominikgrolimund)
we only see files that have been made public. all private / shared files we don't see and we can't encrypt, since your password never leaves your computer.
No. Copyright and ... ( 10 months ago by DrDabbles)
No. Copyright and ease of sharing are two different issues. This simply lets you easily access files from anywhere, including the sharing of files with other users.
Wow, a commercial ... ( 9 months ago by djfetmage)
Wow, a commercial freenet
On the point you ... ( 9 months ago by pav930t)
On the point you make at 6.37 about data movement - I have always wanted someone to develop a distributed file system that supports an unlimited file size but more importantly when i select a file from another machine to be copied to yet another machine i dont want it to do 2 copies, one to me and then another to the destination machine, just one copy from the source to the destination.
Does your file system support this? If so, do you have any downloads?
48:32 (!) ( 8 months ago by 007luke666)
48:32 (!)
Could you just do ... ( 8 months ago by cam8001)
Could you just do this using FXP?
this misses the ... ( 7 months ago by infinity0x)
this misses the point. there is no such concept of "a copy" in this network - at least not in a sense visible to the user. copies of the various packets are sent and purged based on demand.
In the end, it ... ( 5 months ago by ahanix1988)
In the end, it doesn't really make anything easier -- people just use it to say they use it. It's a status thing.
I'm using this and ... ( 5 months ago by ermonnezza74)
I'm using this and I don't like the fact that it's commercial/closed source, but it's still free, and I think it's the best thing around for exchanging things with friends. And it works perfect on linux. Can you share specific things with specific people on freenet? Or just backup your stuff only for yourself? Please let me know..
What do you mean? ... ( 5 months ago by MaxTeel)
What do you mean? For me it's very useful.
How does this ... ( 5 months ago by hyretech)
How does this improve on AFS/OpenAFS? If it's not open source, how can you hope to verify that it's secure?
These are fresh and ... ( 5 months ago by CracKPod1)
These are fresh and working invitation codes: lend46eager yard63their meow57party animal63gown dash27drum mrs.90sunflower dance42wolf magazine50cow
snug89crow ... ( 5 months ago by Simon871987)
snug89crow wall87name print20hug washtub85apron different14swallow redbreast86read grasshopper9board leader43lead window34tablet meant35possible loaf37beet soon91fiddle
or codes: ... ( 5 months ago by ThrowDots)
or codes: size96camel grove57hit
wren22coop ... ( 5 months ago by ThrowDots)
wren22coop dies81need afar61neighbor i like it !
it uses a bunch of ... ( 4 months ago by futureprogress)
it uses a bunch of OSS and they plan to open it in pieces...
bullshit 7GB space ... ( 4 months ago by kchecker)
bullshit 7GB space for me .. when i give in 10gb and stay online for 70% of the time... thats just crap i dont see commercial viability
I wish it didn't ... ( 4 months ago by stalepie35)
I wish it didn't use Java.
Array ( 2 months ago by 5agopakajm3r)
heybby
do u haev M.S.N messenger? go2 my profile and msg my ID! KD



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