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From: Ian Jackson <Ian.Jackson@eu.citrix.com>
To: David Vrabel <david.vrabel@citrix.com>
Cc: Shriram Rajagopalan <rshriram@cs.ubc.ca>,
	Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
	Ian Campbell <ian.campbell@citrix.com>,
	"Xen-devel@lists.xen.org" <Xen-devel@lists.xen.org>
Subject: Re: Domain Save Image Format proposal (draft B)
Date: Tue, 11 Feb 2014 17:28:43 +0000	[thread overview]
Message-ID: <21242.24011.946144.811862@mariner.uk.xensource.com> (raw)
In-Reply-To: <52FA5992.3070207@citrix.com>

David Vrabel writes ("Re: Domain Save Image Format proposal (draft B)"):
> On 11/02/14 16:49, Ian Jackson wrote:
> > I greatly prefer doing forward-compatibility with new record type
> > enums etc. than with version numbers.  Version numbers presuppose a
> > strict global order on all the implementations' capabilities, which is
> > of course not necessarily true in free software.
> 
> I think I quite like this idea.  There would still need to be a central
> repository of record types.

Right.

One thing you can do is like PNG and have separate ranges of record
type numbers for (a) ok to ignore this if not understood and (b) fatal
if not understood.

I think PNG also has subset of the namespace for "private use".

Ian.

  reply	other threads:[~2014-02-11 17:28 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-10 17:20 Domain Save Image Format proposal (draft B) David Vrabel
2014-02-10 17:32 ` Andrew Cooper
2014-02-10 17:48 ` Frediano Ziglio
2014-02-10 20:00 ` Shriram Rajagopalan
2014-02-11  1:35   ` Andrew Cooper
2014-02-11  4:12     ` Shriram Rajagopalan
2014-02-11 10:58       ` Zoltan Kiss
2014-02-12 15:34       ` Tim Deegan
2014-02-11 11:58   ` David Vrabel
2014-02-11 16:13     ` Shriram Rajagopalan
2014-02-11  9:30 ` Ian Campbell
2014-02-11 11:40   ` David Vrabel
2014-02-11 12:09     ` Ian Campbell
2014-02-11 13:10       ` Jan Beulich
2014-02-11 13:12       ` Ian Campbell
2014-02-12 15:41   ` Tim Deegan
2014-02-11 10:06 ` Jan Beulich
2014-02-11 13:04   ` David Vrabel
2014-02-11 13:20     ` Jan Beulich
2014-02-11 16:45   ` Ian Jackson
2014-02-11 17:08     ` Shriram Rajagopalan
2014-02-11 17:15       ` Ian Campbell
2014-02-11 17:30         ` Ian Jackson
2014-02-11 17:31         ` Frediano Ziglio
2014-02-11 17:53           ` Ian Jackson
2014-02-11 17:59             ` Ian Campbell
2014-02-12  9:07               ` Frediano Ziglio
2014-02-12 11:27                 ` Frediano Ziglio
2014-02-12 11:34                   ` Ian Campbell
2014-02-11 16:38 ` Ian Jackson
2014-02-11 17:04   ` Andrew Cooper
2014-02-11 17:07     ` Ian Jackson
2014-02-11 16:49 ` Ian Jackson
2014-02-11 17:10   ` David Vrabel
2014-02-11 17:28     ` Ian Jackson [this message]
2014-02-12 16:36 ` Tim Deegan
2014-02-12 17:09   ` David Vrabel
2014-02-12 18:16     ` Frediano Ziglio

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