Difference between revisions of "Talk:P2P Backup Network"

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(thoughts about persistance of data after disappearing from network)
 
(Amount of data)
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--[[User:Matt|Matt]] 12:08, 13 November 2005 (UTC)
 
--[[User:Matt|Matt]] 12:08, 13 November 2005 (UTC)
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== Amount of data ==
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 +
I've just been wondering about how much disk space I'm going to need for
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everyone's backups. I suppose that if I need 10GB of my data backed up
 +
(that's assume the 10GB is a total of whatever master + incremental
 +
backups I want), then I suppose that I'd want say 10 people to back up
 +
that data? So really I need to be backing up 10GB for each of them so
 +
100GB total. Seems reasonable, though I wonder whether 10 people is
 +
enough... I suppose that depends a lot on how reliable the people on
 +
the p2p network are, how often people are joining/leaving etc...
 +
 +
This brings up some other questions. Say I'm person A and my data gets
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backed up by C, D and E. I have a failure and I'm off the network for
 +
a week. During this time C and D leave the p2p network. Person F joins
 +
the network too. Will F start getting backups of my data from E?
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 +
--[[User:Matt|Matt]] 12:41, 13 November 2005 (UTC)

Revision as of 12:41, 13 November 2005

There should be a guarenteed minimum amount of time that a user's backed up data is kept after that user disappears from the network. If I'm participating in the p2p network, but then I have a disk crash that causes me to leave it, I need to know that when I get my replacement drive in a weeks time, my backups will still be existing on the p2p network for me to do the restore.

Perhaps there could be different time limits depending on the priority of the data as described on the main page.

--Matt 12:08, 13 November 2005 (UTC)

Amount of data

I've just been wondering about how much disk space I'm going to need for everyone's backups. I suppose that if I need 10GB of my data backed up (that's assume the 10GB is a total of whatever master + incremental backups I want), then I suppose that I'd want say 10 people to back up that data? So really I need to be backing up 10GB for each of them so 100GB total. Seems reasonable, though I wonder whether 10 people is enough... I suppose that depends a lot on how reliable the people on the p2p network are, how often people are joining/leaving etc...

This brings up some other questions. Say I'm person A and my data gets backed up by C, D and E. I have a failure and I'm off the network for a week. During this time C and D leave the p2p network. Person F joins the network too. Will F start getting backups of my data from E?

--Matt 12:41, 13 November 2005 (UTC)