[IPv6]Re: Zaheduzzaman Sarker's Discuss on draft-ietf-6man-comp-rtg-hdr-09: (with DISCUSS)

[Bob Hinden <[e-mail]>]

Zahed,

Thanks very much!

Bob


> On May 30, 2024, at 12:23 PM, Zaheduzzaman Sarker <[e-mail]> wrote:
> 
> Hi Bob, Hi Ron,
> 
> We discussed this today during the telechat, and I was made aware of rate limiting property of ICMPv6 by my learned colleagues. 
> 
> We are fine here. No need to add anything in this spec.
> 
> I will clear my discuss.
> 
> //Zahed
> 
> On Thu, 30 May 2024 at 18:11, Bob Hinden <[e-mail] <mailto:[e-mail]>> wrote:
>> Hi,
>> 
>> 
>>> On May 30, 2024, at 4:42 AM, Zaheduzzaman Sarker via Datatracker <[e-mail] <mailto:[e-mail]>> wrote:
>>> 
>>> Zaheduzzaman Sarker has entered the following ballot position for
>>> draft-ietf-6man-comp-rtg-hdr-09: Discuss
>>> 
>>> When responding, please keep the subject line intact and reply to all
>>> email addresses included in the To and CC lines. (Feel free to cut this
>>> introductory paragraph, however.)
>>> 
>>> 
>>> Please refer to https://www.ietf.org/about/groups/iesg/statements/handling-ballot-positions/ 
>>> for more information about how to handle DISCUSS and COMMENT positions.
>>> 
>>> 
>>> The document, along with other ballot positions, can be found here:
>>> https://datatracker.ietf.org/doc/draft-ietf-6man-comp-rtg-hdr/
>>> 
>>> 
>>> ----------------------------------------------------------------------
>>> DISCUSS:
>>> ----------------------------------------------------------------------
>>> 
>>> Thanks for working on this specification.  Special Thanks to Gorry Fairhurst
>>> for the TSVART review.
>>> 
>>> I have one question that I would like to discuss further to understand better -
>>> 
>>> - In the processing rules, we are seding ICMPv6 Messages so how often are we
>>> sending them? if this is not rate limited, what are the risks we are not
>>> considering here?
>>> 
>> 
>> Rate limiting of ICMP error message is part of the ICMPv6 specification RFC 4443.   
>> 
>> See Section  2.4. Message Processing Rules, subsection (f) of https://datatracker.ietf.org/doc/html/rfc4443.
>> 
>> Routers implement rate limiting ICMPv6 error messages.    Is there something specific about this draft that this needs to be called out?
>> 
>> Bob
>> 
>> 
>> 
>> 
>> 
>>