Re: [Mip4] Does it still make sense to save MIPv4 address space?

Hans Sjostrand <hans@ipunplugged.com> Mon, 10 October 2005 08:09 UTC

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Date: Mon, 10 Oct 2005 10:16:46 +0200
From: Hans Sjostrand <hans@ipunplugged.com>
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To: zhen <zhen@cs.dal.ca>
Subject: Re: [Mip4] Does it still make sense to save MIPv4 address space?
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Hi Zhen,

There's nothing that mandates a MN to possess a public IP address. Thats 
a misunderstanding. Almost all installations I've seen are using private 
IPv4 addresses for the MN's.

Best regards
/// Hasse


zhen wrote:

> Hi, All,
>
> Recently I found some idea about saving home address usage in MIPv4. 
> Because each MN has to possess a public address, this is a huge 
> consumption of IPv4 address space. Somebody told me it's no longer 
> valid because people are soon using MIPv6 in wireless network. I'm not 
> sure because in order to support IPv6, all hosts and routers must be 
> updated. In my point of view, IPv4 will be still in use for quite a 
> while. In wireless networking, such as 3G, within the network surely 
> each terminal can use IPv6 address, but in order to communicate with 
> IPv4 world, one IPv4 home address may still be necessary, so the waste 
> of IPv4 address still exists.
>
> looking forward to other opinions.
>
> regards
>
> Zhen
>
>



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