Hi Tony,

> -----邮件原件-----
> 发件人: Tony Li [mailto:tony...@tony.li]
> 发送时间: 2010年1月28日 15:33
> 收件人: Xu Xiaohu
> 抄送: 'Xiaoliang Zhao'; 'RRG'
> 主题: Re: [rrg] A concern with ILNP//re: critique of RANGI
> 
> Xu Xiaohu wrote:
> 
> >
> > Binding transport associations to identifiers is a better choice.
> 
> 
> In other words, using an ILNP host would be better than using a legacy
> host.  Yes, indeed.  I agree with that point.
> 
> 
> > However,
> > like the home addresses in Mobile IP, the ILNP identifiers should also
be
> > routable in the Internet so as to allow the packets with destination
being
> > identifier to be forwarded to some home-agent like device.
> 
> 
> You clearly missed the whole point: the identifier must be separated
> from the locator, otherwise you have mangled semantics and you end up
> back at LISP.  This is a poor architecture.  The whole point is to stop
> compounding that original error.

Yes, it is ideal to separate them clearly from a clean-slate point of view.
However, for incremental deployment purpose, I wonder whether the totally
non-routable identifier is a practical choice.

> > Then what's the
> > business model for deploying such home-agent like devices based on the
fact
> > that the ILNP identifiers are flat.
> 
> 
> There are no home-agent like devices in ILNP.

Yes, I know. It's just an assumption.

Best wishes,
Xiaohu

> > In addition, since the ILNP identifiers
> > are not required to be globally unique, routing based on such
identifiers
> in
> > Internet is almost impossible.
> 
> 
> Exactly.
> 
> Tony

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