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Re: shim6 (was Re: IPv6 news)

  • From: bmanning
  • Date: Fri Oct 14 15:30:25 2005

On Fri, Oct 14, 2005 at 03:19:27PM -0400, Joe Abley wrote:
> >On Oct 14, 2005, at 7:57 AM, Joe Abley wrote:
> >
> >Since shim6 requires changes in protocol stacks on nodes, my  
> >impression has been that it isn't a _site_ multihoming solution,  
> >but rather a _node_ multihoming solution.  Is my impression incorrect?
> There is no shortage of rough corners to file down, and I am behind  
> on my shim6 mail, but the general idea is to let end sites multi-home  
> in the "bag-o-PA-prefixes" style and let the nodes within that site  
> use their multiple globally-unique addresses (one per upstream, say)  
> to allow sessions to survive rehoming events.

	the kicker here is that the applications then need some
	serious smarts to do proper source address selection.

> >I suspect will be required is real _site_ multihoming.  Something  
> >that will take existing v6 customer sites and allow them to be  
> >multi-homed without modification to each and every v6 stack within  
> >the site.
> For end sites, that's a wildly-held opinion.

	wildly or widely?  :)

> Joe