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Re: draft-wang-6man-flow-label-reflection

Mark ZZZ Smith <markzzzsmith@yahoo.com.au> Tue, 18 November 2014 00:35 UTC

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Date: Tue, 18 Nov 2014 00:32:38 +0000
From: Mark ZZZ Smith <markzzzsmith@yahoo.com.au>
To: Jeroen Massar <jeroen@massar.ch>, Aijun Wang <wangaijun@tsinghua.org.cn>, 'Sheng Jiang' <jiangsheng@huawei.com>, '6man WG' <ipv6@ietf.org>
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Subject: Re: draft-wang-6man-flow-label-reflection
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>________________________________
> From: Jeroen Massar <jeroen@massar.ch>
>To: Aijun Wang <wangaijun@tsinghua.org.cn>; 'Sheng Jiang' <jiangsheng@huawei.com>; '6man WG' <ipv6@ietf.org> 
>Sent: Monday, 17 November 2014, 19:02
>Subject: Re: draft-wang-6man-flow-label-reflection
> 
>
>On 2014-11-17 02:10, Aijun Wang wrote:
>> Hi, Jeroen
>> 
>> Please see the reply inline below.
>> 
>>> -----Original Message-----
>>> From: Jeroen Massar [mailto:jeroen@massar.ch]
>>> Sent: Saturday, November 15, 2014 10:51 AM
>>> To: Aijun Wang; 'Sheng Jiang'; '6man WG'
>>> Subject: Re: draft-wang-6man-flow-label-reflection
>>>
>>> On 2014-11-15 02:05, Aijun Wang wrote:
>>>> Hi, Jeroen:

>>>>

<snip>
>
>It will be enough IF the source host sets it AND the destination
>reflects it. As the redefinition of the Flow Label (the bunch of RFCs
>from end of 2011) have not made it into hosts stacks yet almost 3 years
>later and lots of people do not upgrade. When do you expect this to happen?

>

It's in the Linux 3.17 kernel (which has just hit Fedora 20), although not switched on by default, so that it doesn't interfere with 'flow label manager' (I don't know what that is.) According to the comments, it is also implemented in the FreeBSD kernel and enabled by default. Finally, as it was implemented by Tom Herbert from Google, it implies that Google see value in it, and possibly have a wide scale use for it.

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cb1ce2ef387b01686469487edd45994872d52d73

>But more importantly, do you think the Operator community can actually
>use it?
>
<snip>

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