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From: Tom Zander <tomz@freedommail.ch>
To: bitcoin-dev@lists.linuxfoundation.org,
	David Vorick <david.vorick@gmail.com>
Subject: Re: [bitcoin-dev] Small Nodes: A Better Alternative to Pruned Nodes
Date: Tue, 18 Apr 2017 12:50:31 +0200	[thread overview]
Message-ID: <2226058.Q8lHjYE4Pt@strawberry> (raw)
In-Reply-To: <CAFVRnypbQQ-vsSLqv48cYaqTCty4R1DmFRqfAvxe4mAqyQNXxQ@mail.gmail.com>

On Monday, 17 April 2017 08:54:49 CEST David Vorick via bitcoin-dev wrote:
> The best alternative today to storing the full blockchain is to run a
> pruned node

The idea looks a little overly complex to me.

I suggested something similar which is a much simpler version;
https://zander.github.io/scaling/Pruning/

> # Random pruning mode
> 
> There is a large gap between the two current modes of everything
> (currently 75GB) and only what we need (2GB or so).
> 
> This mode would have two areas, it would keep a days worth of blocks to
> make sure that any reorgs etc would not cause a re-download, but it would
> have additionally have an area that can be used to store historical data
> to be shared on the network. Maybe 20 or 50GB.
> 
> One main feature of Bitcoin is that we have massive replication. Each node
> currently holds all the same data that every other node holds. But this
> doesn't have to be the case with pruned nodes. A node itself has no need
> for historic data at all.
> 
> The suggestion is that a node stores a random set of blocks. Dropping
> random blocks as the node runs out of disk-space. Additionally, we would
> introduce a new way to download blocks from other nodes which allows the
> node to say it doesn't actually have the block requested.
> 
> The effect of this setup is that many different nodes together end up
> having the total amount of blocks, even though each node only has a
> fraction of the total amount.

-- 
Tom Zander
Blog: https://zander.github.io
Vlog: https://vimeo.com/channels/tomscryptochannel


  parent reply	other threads:[~2017-04-18 10:50 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-17  6:54 [bitcoin-dev] Small Nodes: A Better Alternative to Pruned Nodes David Vorick
2017-04-17  7:11 ` Danny Thorpe
2017-04-17  7:27   ` David Vorick
2017-04-20 15:50   ` Erik Aronesty
2017-04-20 23:42     ` Aymeric Vitte
2017-04-21 13:35   ` David Kaufman
2017-04-21 15:58     ` Leandro Coutinho
2017-04-17 10:14 ` Aymeric Vitte
2017-04-19 17:30   ` David Vorick
2017-04-20  9:46     ` Tom Zander
2017-04-20 20:32       ` Andrew Poelstra
2017-04-21  8:27         ` Tom Zander
2017-04-20 11:27     ` Aymeric Vitte
2017-04-18  7:43 ` Jonas Schnelli
2017-04-18 10:50 ` Tom Zander [this message]
2017-04-18 13:07   ` Tier Nolan
2017-04-18 23:19     ` Aymeric Vitte
2017-04-19  4:28       ` udevNull
2017-04-19 13:47         ` Angel Leon
2017-04-21 20:38 ` Gregory Maxwell
2017-04-23 16:27   ` Aymeric Vitte
2017-05-03 14:03   ` Erik Aronesty
2017-05-03 19:10     ` Natanael
2017-05-03 22:45       ` Aymeric Vitte

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