North American Network Operators Group
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Re: packet reordering at exchange points

  • From: Richard A Steenbergen
  • Date: Mon Apr 08 19:49:48 2002 
On Mon, Apr 08, 2002 at 11:19:56PM +0000, E.B. Dreger wrote:
> 
> > But how is packet reordering on two parallell gigabit interfaces ever
> > going to translate into reordered packets for individual streams? Packets
> 
> Queue depths.  Varying paths.  IIRC, 802.3ad DOES NOT allow round
> robin distribution; it uses hashes.  Sure, hashed distribution
> isn't perfect.  But it's better than "perfect" distribution with
> added latency and/or retransmits out the wazoo.

You don't even need varying paths to create a desynch, all you need is
varying size packets.

-- 
Richard A Steenbergen <[email protected]>       http://www.e-gerbil.net/ras
PGP Key ID: 0x138EA177  (67 29 D7 BC E8 18 3E DA  B2 46 B3 D8 14 36 FE B6)