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Re: doubts about my IPv6 network



On Tue, Mar 27, 2007 at 10:27:41PM +0200, Christian Pinedo Zamalloa wrote:
> On Tue, Mar 27, 2007 at 05:16:50PM +0100, Jeroen Massar wrote:
> > Christian Pinedo zamalloa wrote:
> > [..]
> > > The router could change IPv6 routing preferences and the PC should
> > > know which IPv6 address use as origin address. Is this possible to
> > > announce in router advertisement messages? Am I completely lost? xD
> > 
> > Theoretically, with newer kernels, it is possible to configure source
> > routing, as part of policy routing in general. Though I've understood
> > that it is not correctly working in quite a few cases.
> > 
> > There is absolutely zilch advantage in this setup. When the upstream
> > link breaks your (TCP) connection breaks. Then your host my try to
> > connect again and it will try the old address, as there is no
> > information that the upstream link is actually down, timeout, fail, and
> > try the other link (if lucky that it does).... not practical
> > 
> > 
> > Advice: use one single prefix. Or try HIP (Host Identity Protocol)
> > 
> 
> After your comments I understand that having more than two global IP addresses
> is more problematic than useful. Thanks for your ideas,
> 

After reading more about my doubts and using the wikipedia :) I could say that
the scenario I presented is a typical case of multihoming on IPv6 so I will
investigate more. Thanks for your help,

-- 
Christian Pinedo Zamalloa (zako)
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