From: Phillip Susi <psusi@cfl.rr.com>
To: David Lamparter <equinox@diac24.net>
Cc: netdev@vger.kernel.org
Subject: Re: 802.3ad bonding brain damaged?
Date: Mon, 08 Aug 2011 16:06:13 -0400 [thread overview]
Message-ID: <4E4041B5.5040908@cfl.rr.com> (raw)
In-Reply-To: <1312790234.7020.26.camel@arkology.n2.diac24.net>
On 8/8/2011 3:57 AM, David Lamparter wrote:
> No, it isn't. 802.3ad/.1AX explicitly requires that no packet
> re-ordering may ever occur, which can only be guaranteed by enqueueing
> packets for one host on one TX interface. This behaviour is mandated by
> 802.1AX-2008 page 15 which reads:
Outch, that does cause a big problem for store-and-forward switching.
You basically can't split up packets from a single stream without very
careful cut-through switching, which we obviously can't do in Linux.
That seems a rather silly requirement given that higher level protocols
already deal with packet reordering. Why not an option to say stuff the
standard?
next prev parent reply other threads:[~2011-08-08 20:07 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-07 19:52 802.3ad bonding brain damaged? Phillip Susi
2011-08-08 7:57 ` David Lamparter
2011-08-08 15:59 ` Eric Dumazet
2011-08-08 16:44 ` Jay Vosburgh
2011-08-08 20:06 ` Phillip Susi [this message]
2011-08-08 20:08 ` Chris Adams
2011-08-08 20:14 ` Chris Friesen
2011-08-08 20:32 ` Phillip Susi
2011-08-08 20:42 ` Ben Hutchings
2011-08-09 11:24 ` Benny Amorsen
2011-08-08 20:54 ` Rick Jones
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