[e2e] Discrete IP

[Pars Mutaf]

Hi Detlef,

On Sat, Sep 15, 2012 at 2:35 AM, Detlef Bosau <detlef.bosau at web.de> wrote:

> On 09/13/2012 06:38 AM, Pars Mutaf wrote:
>
>> Hi Andrew,
>>
>> China has IPv6 for example but I cannot talk to them.
>> I don't have to install IPv6 to talk to them. If one day someone uses
>> IPv7 (it is their right), I don't have to install IPv7.
>> The fact that there is a version field doesn't mean that all versions are
>> supported.
>>
>
> I think, you miss two basic points.
>
> First: There is no such thing as "the" end to end principle. Particularly,
> Internet communication is nothing which happens between the communication
> end points and only there, but most of the work is done at the nodes in
> between.
>


This contradicts what you say below. Below you say that you want to avoid
this complexity. Here you say that this the way it is. So I don't
understand you message.



>
> Second: The Internet is an overlay network by design. We want ONE common
> protocol which is supported by all nodes connected to this overlay network.
> Particularly, it shall not be the intention of the Internet to run several
> protocols in parallel. Nevertheless, this happened in the past, happens in
> the present and is expected to happen in the future, however it is not the
> basic intention. The more protocols you run in parallel, the more complex
> your intermediate nodes, which do all the routing work, will be. And it's
> certainly not our goal to make thinks unnecessarily complex.
>

What do you mean by "parallel"? Why do you assume that the protocols will
be run in "parallel?"







>
> DB
>
>
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>


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