[rbridge] Fwd: In-order delivery not an issue?

[James Carlson]

Donald Eastlake writes:
> On Thu, Oct 16, 2008 at 9:28 PM, gvsm <g.venkatasubramaniyan at gmail.com> wrote:
> > at Link level and may not be suitable enough for multipath. I think
> 
> I don't know that much about link aggregation but I believe it
> currently is actually not an 802.1 protocol but a 802.3 protocol that
> only works across multiple single hop equal speed physical paths.
> Furthermore, you have to have it implemented in the ports at both ends
> of the physical paths.

That's correct.  In addition, it uses Marker PDUs to try to make sure
that order is preserved when there are link changes within the group.
(Or at least it _can_ use such PDUs; not all implementations include
the feature.)

It's rather different from ECMP, though superficially similar.

-- 
James Carlson, Solaris Networking              <james.d.carlson at sun.com>
Sun Microsystems / 35 Network Drive        71.232W   Vox +1 781 442 2084
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