From: Daniel Kan <dan@nyansa.com>
To: Sangjin Han <sangjin@eecs.berkeley.edu>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] Is it possible to get symmetric hash from RSS for a given flow
Date: Thu, 27 Feb 2014 17:04:46 -0800 [thread overview]
Message-ID: <75A2A7C4-F592-407C-92BA-7BBD6B6B2A72@nyansa.com> (raw)
In-Reply-To: <CAPG33HQb7wQO7XUqTeVZq9iOf1gkP0EYnR4=fAz1Ub4JRXu6Ow@mail.gmail.com>
Thanks, Sangjin. This is exactly i’m looking for. Sorry, I should’ve googled it first. It’s good to know that hash key of repetitive 0x6d5a still yields good load balancing results.
Dan
On Feb 27, 2014, at 4:24 PM, Sangjin Han <sangjin@eecs.berkeley.edu> wrote:
> Hi,
>
> This is exactly what you want:
> http://www.ndsl.kaist.edu/~shinae/papers/TR-symRSS.pdf
>
> Sangjin
>
> On Thu, Feb 27, 2014 at 4:22 PM, Daniel Kan <dan@nyansa.com> wrote:
>> Hi,
>> It appears that the hash computed from RSS is unidirectional. Hence, for a 5-tuple flow, packet in one direction can be routed to a queue that may be different than packet in the other direction. I'm wondering if there is a configuration or mechanism to get a symmetric hash so that all packets for a given flow will be in the same queue. Thanks in advance.
>>
>> Dan
next prev parent reply other threads:[~2014-02-28 1:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-28 0:22 Daniel Kan
2014-02-28 0:24 ` Sangjin Han
2014-02-28 1:04 ` Daniel Kan [this message]
2014-02-28 1:08 ` Stefan Baranoff
2014-02-28 5:34 ` Daniel Kan
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