On 5 aug 2009, at 19:34, Christopher Morrow wrote:
You may see 2-3 year cycle on new asics for this feature to appear...
given 1-2 years for haggling/bugs/blah it's safe to say 3-5 yrs before
hardware is on the shelf to purchase.
You assume this requires new hardware. Although that's not
inconceivable, I would think that in most cases a software or
microcode update would be sufficient.
'flow label bits alone make a poor material for a hash key'... isn't
this the reverse of saying that we'll (operators) require vendors to
use flow-label for hashing on ECMP/LAG? If so, then... I don't think
flow-label's going to cut it.
Huh?
By the way, if we want good load balancing in IPv6 it's always
possible to use more source/destination address pairs, as addresses
are cheap in IPv6.
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