From: Bob Hinden <bob.hinden@gmail.com>
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Date: Thu, 30 May 2024 17:17:00 -0700
In-Reply-To: 
 <CAEh=tcd1MFgZz5frZXRhrK9N2QeJDSQrmRgFypmj1hr6Hd0jrg@mail.gmail.com>
To: Zaheduzzaman Sarker <zahed.sarker.ietf@gmail.com>
References: <171706936834.39334.16043434987658907025@ietfa.amsl.com>
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CC: Bob Hinden <bob.hinden@gmail.com>, 6man Chairs <6man-chairs@ietf.org>,
 IESG <iesg@ietf.org>, IPv6 List <ipv6@ietf.org>,
 draft-ietf-6man-comp-rtg-hdr@ietf.org
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Subject: =?utf-8?q?=5BIPv6=5DRe=3A_Zaheduzzaman_Sarker=27s_Discuss_on_draft-ietf-6man?=
 =?utf-8?q?-comp-rtg-hdr-09=3A_=28with_DISCUSS=29?=
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 <https://mailarchive.ietf.org/arch/msg/ipv6/oapqxHMRBc2i5NgM8YHKDSc3_AM>


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Zahed,

Thanks very much!

Bob


> On May 30, 2024, at 12:23=E2=80=AFPM, Zaheduzzaman Sarker =
<zahed.sarker.ietf@gmail.com> wrote:
>=20
> Hi Bob, Hi Ron,
>=20
> We discussed this today during the telechat, and I was made aware of =
rate limiting property of ICMPv6 by my learned colleagues.=20
>=20
> We are fine here. No need to add anything in this spec.
>=20
> I will clear my discuss.
>=20
> //Zahed
>=20
> On Thu, 30 May 2024 at 18:11, Bob Hinden <bob.hinden@gmail.com =
<mailto:bob.hinden@gmail.com>> wrote:
>> Hi,
>>=20
>>=20
>>> On May 30, 2024, at 4:42=E2=80=AFAM, Zaheduzzaman Sarker via =
Datatracker <noreply@ietf.org <mailto:noreply@ietf.org>> wrote:
>>>=20
>>> Zaheduzzaman Sarker has entered the following ballot position for
>>> draft-ietf-6man-comp-rtg-hdr-09: Discuss
>>>=20
>>> 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.)
>>>=20
>>>=20
>>> Please refer to =
https://www.ietf.org/about/groups/iesg/statements/handling-ballot-position=
s/=20
>>> for more information about how to handle DISCUSS and COMMENT =
positions.
>>>=20
>>>=20
>>> The document, along with other ballot positions, can be found here:
>>> https://datatracker.ietf.org/doc/draft-ietf-6man-comp-rtg-hdr/
>>>=20
>>>=20
>>> =
----------------------------------------------------------------------
>>> DISCUSS:
>>> =
----------------------------------------------------------------------
>>>=20
>>> Thanks for working on this specification.  Special Thanks to Gorry =
Fairhurst
>>> for the TSVART review.
>>>=20
>>> I have one question that I would like to discuss further to =
understand better -
>>>=20
>>> - 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?
>>>=20
>>=20
>> Rate limiting of ICMP error message is part of the ICMPv6 =
specification RFC 4443.  =20
>>=20
>> See Section  2.4. Message Processing Rules, subsection (f) of =
https://datatracker.ietf.org/doc/html/rfc4443.
>>=20
>> Routers implement rate limiting ICMPv6 error messages.    Is there =
something specific about this draft that this needs to be called out?
>>=20
>> Bob
>>=20
>>=20
>>=20
>>=20
>>=20
>>=20


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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"overflow-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: =
after-white-space;">Zahed,<div><br></div><div>Thanks very =
much!</div><div><br></div><div>Bob</div><div><br =
id=3D"lineBreakAtBeginningOfMessage"><div><br><blockquote =
type=3D"cite"><div>On May 30, 2024, at 12:23=E2=80=AFPM, Zaheduzzaman =
Sarker &lt;zahed.sarker.ietf@gmail.com&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div><div dir=3D"auto">Hi Bob, Hi =
Ron,</div><div dir=3D"auto"><br></div><div dir=3D"auto">We discussed =
this today during the telechat, and I was made aware of rate limiting =
property of ICMPv6 by my learned colleagues.&nbsp;</div><div =
dir=3D"auto"><br></div><div dir=3D"auto">We are fine here. No need to =
add anything in this spec.</div><div dir=3D"auto"><br></div><div =
dir=3D"auto">I will clear my discuss.</div><div =
dir=3D"auto"><br></div><div dir=3D"auto">//Zahed</div><div><br><div =
class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Thu, 30 =
May 2024 at 18:11, Bob Hinden &lt;<a =
href=3D"mailto:bob.hinden@gmail.com">bob.hinden@gmail.com</a>&gt; =
wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 =
.8ex;border-left:1px #ccc solid;padding-left:1ex"><div =
style=3D"line-break:after-white-space">Hi,</div><div =
style=3D"line-break:after-white-space"><br =
id=3D"m_7207353038905794341lineBreakAtBeginningOfMessage"><div><br><blockq=
uote type=3D"cite"><div>On May 30, 2024, at 4:42=E2=80=AFAM, =
Zaheduzzaman Sarker via Datatracker &lt;<a =
href=3D"mailto:noreply@ietf.org" =
target=3D"_blank">noreply@ietf.org</a>&gt; =
wrote:</div><br><div><div>Zaheduzzaman Sarker has entered the following =
ballot position for<br>draft-ietf-6man-comp-rtg-hdr-09: =
Discuss<br><br>When responding, please keep the subject line intact and =
reply to all<br>email addresses included in the To and CC lines. (Feel =
free to cut this<br>introductory paragraph, however.)<br><br><br>Please =
refer to <a =
href=3D"https://www.ietf.org/about/groups/iesg/statements/handling-ballot-=
positions/" =
target=3D"_blank">https://www.ietf.org/about/groups/iesg/statements/handli=
ng-ballot-positions/</a> <br>for more information about how to handle =
DISCUSS and COMMENT positions.<br><br><br>The document, along with other =
ballot positions, can be found here:<br><a =
href=3D"https://datatracker.ietf.org/doc/draft-ietf-6man-comp-rtg-hdr/" =
target=3D"_blank">https://datatracker.ietf.org/doc/draft-ietf-6man-comp-rt=
g-hdr/</a><br><br><br>----------------------------------------------------=
------------------<br>DISCUSS:<br>----------------------------------------=
------------------------------<br><br>Thanks for working on this =
specification.&nbsp; Special Thanks to Gorry Fairhurst<br>for the TSVART =
review.<br><br>I have one question that I would like to discuss further =
to understand better -<br><br> - In the processing rules, we are seding =
ICMPv6 Messages so how often are we<br> sending them? if this is not =
rate limited, what are the risks we are not<br> considering =
here?<br><br></div></div></blockquote></div><br></div><div =
style=3D"line-break:after-white-space"><div>Rate limiting of ICMP error =
message is part of the ICMPv6 specification RFC 4443. =
&nbsp;&nbsp;</div><div><br></div><div>See Section &nbsp;2.4. Message =
Processing Rules, subsection (f) of&nbsp;<a =
href=3D"https://datatracker.ietf.org/doc/html/rfc4443" =
target=3D"_blank">https://datatracker.ietf.org/doc/html/rfc4443</a>.</div>=
<div><br></div><div>Routers implement rate limiting ICMPv6 error =
messages. &nbsp; &nbsp;Is there something specific about this draft that =
this needs to be called out?</div></div><div =
style=3D"line-break:after-white-space"><div><br></div><div>Bob</div><div><=
br></div><div><br></div><div><br></div><div><br></div><div><br></div><div>=
<br></div></div></blockquote></div></div>
</div></blockquote></div><br></div></body></html>=

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