Re: [Xen-devel] [PATCH 4 of 4 V5] tools/xl: Remus - Network buffering cmdline switch

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Thu, 2013-12-12 at 15:13 +0000, Ian Jackson wrote:
> Ian Campbell writes ("Re: [PATCH 4 of 4 V5] tools/xl: Remus - Network 
> buffering cmdline switch"):
> > The default should be set depending on whether support was enabled in
> > libxl or not. libxl_defbool is the mechanism which allows this sort of
> > thing to be decided at the library level.
> 
> I don't think I agree with this.
> 
> As I understand it, operating without network buffering could lead to
> strange behaviours by the domain when it fails over - violations of
> network protocols by "the" VM.
> 
> The default should be to operate correctly, and if correct operation
> is not supported the default should be to fail.  (Cf security.)

Er, yes, that's absolutely correct, not sure what I was thinking.

Ian.



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