Re: 6MAN WG Last Call: <draft-ietf-6man-impatient-nud-02.txt>

Tina TSOU <Tina.Tsou.Zouting@huawei.com> Fri, 14 September 2012 05:32 UTC

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From: Tina TSOU <Tina.Tsou.Zouting@huawei.com>
To: Bob Hinden <bob.hinden@gmail.com>, 6man <ipv6@ietf.org>
Subject: Re: 6MAN WG Last Call: <draft-ietf-6man-impatient-nud-02.txt>
Thread-Topic: 6MAN WG Last Call: <draft-ietf-6man-impatient-nud-02.txt>
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Date: Fri, 14 Sep 2012 05:31:25 +0000
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Cc: "6man-chairs@tools.ietf.org" <6man-chairs@tools.ietf.org>, "draft-ietf-6man-impatient-nud@tools.ietf.org" <draft-ietf-6man-impatient-nud@tools.ietf.org>, "nordmark@cisco.com" <nordmark@cisco.com>, Igor Gashinsky <igor@yahoo-inc.com>
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Here u go.

Tina

On Sep 13, 2012, at 9:58 PM, "Bob Hinden" <bob.hinden@gmail.com> wrote:

> Tina,
> 
> Please copy the w.g. mailing list when you comment on drafts in w.g. last call.  It's good that the whole working group sees the comments and discussion.
> 
> Thanks,
> Bob
> 
> On Sep 14, 2012, at 1:50 AM, Tina TSOU wrote:
> 
>> Hi Erik and Igor,
>> 
>> The draft is well explained in regards to the case when there is no alternative default router in the lest of default routers.
>> 
>> I wanted some clarification in the content below:
>> 
>> In the draft,
>> The recommended behavior is to have 5 attempts, with timing spacing
>>  of 0 (initial request), 1 second later, 3 seconds later, then 9, and
>>  then 27, and switch to UNREACHABLE after 3 transmissions, which
>>  represents:-------after the initial request, we transmit a packet after 1 sec, then another after 3 seconds, then another after 9 seconds and finally after 27 secs right?
>> 
>>     MAX_UNICAST_SOLICIT=5----This would imply 5 attempts?
>> 
>>     RETRANS_TIMER=1 (default)
>> 
>>     BACKOFF_MULTIPLE=3
>> 
>>     MARK_UNREACHABLE=3------Do we mark it unreachable after 9 secs OR 4 secs 0r 27 secs?
>> After marking unreachable, multicast NS will be send instead of Unicast NS right?
>> 
>> Since there will be 5 attempts, would it imply it will wait 27 seconds before declaring it unreachable?
>> 
>> I look forward hearing from you.
>> 
>> Tina
>> 
>> On Sep 10, 2012, at 10:55 AM, "George, Wes" <wesley.george@twcable.com> wrote:
>> 
>>> Read and support.
>>> 
>>> Thanks,
>>> 
>>> Wes
>>> 
>>> 
>>>> -----Original Message-----
>>>> From: ipv6-bounces@ietf.org [mailto:ipv6-bounces@ietf.org] On Behalf Of
>>>> Bob Hinden
>>>> Sent: Tuesday, September 04, 2012 1:28 PM
>>>> To: ipv6@ietf.org Mailing List
>>>> Cc: Bob Hinden
>>>> Subject: 6MAN WG Last Call: <draft-ietf-6man-impatient-nud-02.txt>
>>>> 
>>>> All,
>>>> 
>>>> This message starts a two week 6MAN Working Group on advancing:
>>>> 
>>>>    Title           : Neighbor Unreachability Detection is too
>>>> impatient
>>>>    Author(s)       : Erik Nordmark
>>>>                        Igor Gashinsky
>>>>    Filename        : draft-ietf-6man-impatient-nud-02.txt
>>>>    Pages           : 8
>>>>    Date            : 2012-07-31
>>>> 
>>>>      http://tools.ietf.org/html/draft-ietf-6man-impatient-nud-02
>>>> 
>>>> as Proposed Standard.  Substantive comments and statements of support
>>>> for advancing this document should be directed to the mailing list.
>>>> Editorial suggestions can be sent to the authors.  This last call will
>>>> end on September 18, 2012.
>>>> 
>>>> Regards,
>>>> Ole Troan & Bob Hinden
>>>> 
>>>> 
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>