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Re: [Qemu-devel] Add support for new image type
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] Add support for new image type |
Date: |
Fri, 09 Mar 2012 11:28:42 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:10.0.1) Gecko/20120216 Thunderbird/10.0.1 |
Il 09/03/2012 10:23, Kevin Wolf ha scritto:
>> You make really good points on opening up the image file format.
>> I see real value there in that it would foster development of
>> other solutions around that format. The problem in this case is
>> that StorageCraft's backup image format uses proprietary
>> compression and encryption, and so, regrettably, we can't
>> (currently) open up that code.
>
> This is an interesting statement. Not so much for compression, for
> which I can't know how much better your solution is than common
> algorithms. But I always thought that closed encryption algorithms
> have to be considered bad, because using them would mean relying on
> security by obscurity. Which probably everyone agrees is a bad idea.
And even for compression, having an open decompressor is usually a good
idea. Some people have no problems with proprietary solutions but do
not like lock in (and wonder what to do with their backups if
StorageCraft disappears).
Paolo
Re: [Qemu-devel] Add support for new image type, Anthony Liguori, 2012/03/01
Re: [Qemu-devel] Add support for new image type, Kevin Wolf, 2012/03/08
Re: [Qemu-devel] Add support for new image type, Nate Bushman, 2012/03/10