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Re: New Version Notification for draft-bonica-6man-frag-deprecate-00.txt

Mark Smith <markzzzsmith@yahoo.com.au> Thu, 20 June 2013 20:57 UTC

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Date: Thu, 20 Jun 2013 13:56:56 -0700
From: Mark Smith <markzzzsmith@yahoo.com.au>
Subject: Re: New Version Notification for draft-bonica-6man-frag-deprecate-00.txt
To: Ronald Bonica <rbonica@juniper.net>, "ipv6@ietf.org 6man-wg" <ipv6@ietf.org>
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Hi,

I also tend to agree with this draft. However, I'm wondering about how this will effect non-UDP/TCP protocols that assume IP layer fragmentation to take care of their larger payloads e.g, OSPF?

SCTP and DCCP might also be worth looking at - hopefully their deployment will increase due to no NATs in IPv6.

Also, the impact on tunnel protocols such as GRE and IPsec might be worth both considering and discussing. It is a while since I spent time in this area, however I remember there are commonly options or defaults to either set the DF flag universally on the outer tunnel packet, or to copy the DF value from the inner packet. For at least GRE and IPsec, the tunnel protocols themselves don't independently perform periodic PMTUD between the tunnel endpoints to determine tunnel MTU.

Regards,
Mark.




----- Original Message -----
> From: Ronald Bonica <rbonica@juniper.net>
> To: "ipv6@ietf.org 6man-wg" <ipv6@ietf.org>
> Cc: 
> Sent: Friday, 21 June 2013 1:55 AM
> Subject: FW: New Version Notification for
	draft-bonica-6man-frag-deprecate-00.txt
> 
> Folks,
> 
> Please review this draft and provide comments.
> 
>                       Ron
> 
> 
>>  -----Original Message-----
>>  From: internet-drafts@ietf.org [mailto:internet-drafts@ietf.org]
>>  Sent: Thursday, June 20, 2013 11:48 AM
>>  To: Ronald Bonica
>>  Subject: New Version Notification for draft-bonica-6man-frag-deprecate-
>>  00.txt
>> 
>> 
>>  A new version of I-D, draft-bonica-6man-frag-deprecate-00.txt
>>  has been successfully submitted by Ron Bonica and posted to the IETF
>>  repository.
>> 
>>  Filename:     draft-bonica-6man-frag-deprecate
>>  Revision:     00
>>  Title:         IPv6 Fragment Header Deprecated
>>  Creation date:     2013-06-20
>>  Group:         Individual Submission
>>  Number of pages: 7
>>  URL:            http://www.ietf.org/internet-drafts/draft-bonica-6man-
>>  frag-deprecate-00.txt
>>  Status:          http://datatracker.ietf.org/doc/draft-bonica-6man-
>>  frag-deprecate
>>  Htmlized:        http://tools.ietf.org/html/draft-bonica-6man-frag-
>>  deprecate-00
>> 
>> 
>>  Abstract:
>>     This memo deprecates the IPv6 Fragment Header.  It provides reasons
>>     for deprecation and updates RFC 2460.
>> 
>> 
>> 
>> 
>> 
>>  The IETF Secretariat
>> 
>> 
> 
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