From: Yerden Zhumabekov <e_zhumabekov@sts.kz>
To: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>,
Kamraan Nasim <knasim@sidebandnetworks.com>,
"dev@dpdk.org" <dev@dpdk.org>
Cc: Yuanzhang Hu <YHu@sidebandnetworks.com>
Subject: Re: [dpdk-dev] Load-balancing position field in DPDK load_balancer sample app vs. Hash table
Date: Fri, 14 Nov 2014 22:55:31 +0600 [thread overview]
Message-ID: <54663403.4080003@sts.kz> (raw)
In-Reply-To: <2601191342CEEE43887BDE71AB977258213ADEA6@IRSMSX105.ger.corp.intel.com>
14.11.2014 22:50, Ananyev, Konstantin пишет:
>> -----Original Message-----
>> From: Yerden Zhumabekov [mailto:e_zhumabekov@sts.kz]
>> Sent: Friday, November 14, 2014 4:23 PM
>> To: Ananyev, Konstantin; Kamraan Nasim; dev@dpdk.org
>> Cc: Yuanzhang Hu
>> Subject: Re: [dpdk-dev] Load-balancing position field in DPDK load_balancer sample app vs. Hash table
>>
>> I'd like to interject a question here.
>>
>> In case of flow classification, one might possibly prefer for packets
>> from the same flow to fall on the same logical core. With this '%' load
>> balancing, it would require to get the same RSS hash value for packets
>> with direct (src to dst) and swapped (dst to src) IPs and ports. Am I
>> correct that hardware RSS calculation cannot provide this symmetry?
> As I remember, it is possible but you have to tweak rss key values.
> Here is a paper describing how to do that:
> http://www.ndsl.kaist.edu/~shinae/papers/TR-symRSS.pdf
Oh, very interesting paper. Thank you for hinting. Need to give it a go.
--
Sincerely,
Yerden Zhumabekov
State Technical Service
Astana, KZ
next prev parent reply other threads:[~2014-11-14 16:46 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-13 18:29 Kamraan Nasim
2014-11-14 10:53 ` Bruce Richardson
2014-11-14 14:44 ` Ananyev, Konstantin
2014-11-14 16:23 ` Yerden Zhumabekov
2014-11-14 16:50 ` Ananyev, Konstantin
2014-11-14 16:55 ` Yerden Zhumabekov [this message]
2014-11-14 16:57 ` Chilikin, Andrey
2014-11-14 17:20 ` Yerden Zhumabekov
2014-11-17 10:15 ` Chilikin, Andrey
2014-11-14 18:49 ` Matt Laswell
2014-11-15 7:10 ` Yerden Zhumabekov
2014-11-15 15:28 ` Matt Laswell
2014-11-17 0:48 ` Zhang, Helin
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