I would love to see the security considerations for this proposal and more 
discussion on the reliability of this method. Also what happens if the access 
router cannot add filters for the “deprecated network prefix” i.e. the prefix 
does not belong to the new link from routing point of view?

- Jouni


> On 08 Oct 2015, at 09:53, Jong-Hyouk Lee <[email protected]> wrote:
> 
> Hello,
> 
> For the mobile node moved from a previous network to a new network, the 
> access router (having a forwarding function) at the new network may need to 
> obtain the previous network prefix information (i.e., deprecated network 
> prefix information at the new network) of the mobile node for data packet 
> forwarding of the mobile node. The draft introduces new extensions to router 
> advertisement (RA) and router solicitation (RS) messages.  The extension to 
> RS messages is used by the mobile node to provide the previous network prefix 
> information to an access router. The extension to RA messages is used by the 
> access router to request the previous network prefix information in a RS 
> message.
> 
> Comments on the draft “deprecated network prefix provision" are welcome.
> 
> J.
> --
> Jong-Hyouk Lee, living somewhere between /dev/null and /dev/random
> Protocol Engineering Lab., Sangmyung University
> 
> #email: [email protected]
> #webpage: https://sites.google.com/site/hurryon
> 
>> Begin forwarded message:
>> 
>> From: [email protected]
>> Subject: New Version Notification for draft-jhlee-dmm-dnpp-00.txt
>> Date: October 9, 2015 at 1:19:25 AM GMT+9
>> To: "Jong-Hyouk Lee" <[email protected]>, "Zhiwei Yan" 
>> <[email protected]>, "Jong-Hyouk Lee" <[email protected]>, "Zhiwei Yan" 
>> <[email protected]>
>> 
>> 
>> A new version of I-D, draft-jhlee-dmm-dnpp-00.txt
>> has been successfully submitted by Jong-Hyouk Lee and posted to the
>> IETF repository.
>> 
>> Name:                draft-jhlee-dmm-dnpp
>> Revision:    00
>> Title:               Deprecated Network Prefix Provision
>> Document date:       2015-10-08
>> Group:               Individual Submission
>> Pages:               5
>> URL:            
>> https://www.ietf.org/internet-drafts/draft-jhlee-dmm-dnpp-00.txt
>> Status:         https://datatracker.ietf.org/doc/draft-jhlee-dmm-dnpp/
>> Htmlized:       https://tools.ietf.org/html/draft-jhlee-dmm-dnpp-00
>> 
>> 
>> Abstract:
>>   This document introduces new extensions to router advertisement and
>>   router solicitation messages.  The extensions are used to provide a
>>   mobile node's deprecated network prefix information to an access
>>   router.  This document updates [RFC4861].
>> 
>> 
>> 
>> 
>> Please note that it may take a couple of minutes from the time of submission
>> until the htmlized version and diff are available at tools.ietf.org.
>> 
>> The IETF Secretariat
>> 
>> 
>> 
>> 
> 
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