[c-nsp] per-packet load sharing.

[virendra rode //]

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Kevin Graham wrote:
>> The thing is the cef is load-balancing packets across equal-cost links
>> on a per-destination which is how its suppose to be which I get it. The
>> issue is my tunnel traffic is destined to a single core router on the
>> far end of the links consuming the majority of the BW for any single
>  link.
> 
> Under 12.4(11)T there's now an algorithm that includes ports numbers in the
> hash:
> 
> http://www.cisco.com/en/US/products/ps6441/products_configuration_guide_chapter09186a0080824974.html#wp1046335
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I could possibly give this is a try provided traffic gets load shared
over equal cost paths.

Just wondering if "ip cef load-sharing algorithm include-ports source
destination" feature is supported on 12.4(10c)?

> 
>> Hence I'm looking at using per-packet method. I don't have any latency
>> sensitive application that I need to worry in this case.
> 
> The concern with per-packet isn't an increase in latency, its the jitter
> and out-of-order delivery (the OoO's being especially harsh on bulk TCP
> transfers).
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Understand and this been highlighted to the customer which will be
monitored as part of their performance review.



regards,
/virendra

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