[sig-ipv6] BOUNCE sig-ipv6@lists.apnic.net: Non-member submission from [itojun@iijlab.net]

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>From owner-sig-ipv6  Sat Jul  8 02:56:01 2000
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To: Kazu Yamamoto (=?ISO-2022-JP?B?GyRCOzNLXE9CSScbKEI=?=)
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        sig-ipv6@apnic.net
In-reply-to: kazu's message of Thu, 06 Jul 2000 17:27:14 JST.
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Subject: Re: (ngtrans) Fw: [apnic-announce] IPv6 Policy Document Revision
From: itojun@iijlab.net
Date: Sat, 08 Jul 2000 01:55:58 +0900
Message-ID: <14147.962988958@coconut.itojun.org>
Sender: itojun@itojun.org

	sorry for too much cross-posting.  I think the following part in the
	APNIC text is slightly unclear.

>These are:
>1) /64 for single devices (such as mobile phones), /48 for all other sites
>2) /64 for single devices, /48 for large end sites which need more 
>   than 256 subnets, and /56 for other sites (eg small, domestic/home sites)

	Does /64 mean "address behind the device", or "address for the ppp
	link"?

	(1)				(2)

	ISP router			ISP router
	  |link local only		  |link local and global
	  |				  |	<--- /64 is here
	  |link local only		  |link local and global
	customer router			customer device
	  |link local and global
	==+=== <--- /64 is here

	Note that it is legal and possible to run routing protocol on
	diagram (1).  All of IPv6 routing protocol is written this way
	(and static routing is possible too).

itojun

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