[c-nsp] ASR9k Bundle QoS in 6.0.1

Jared Mauch jared at puck.nether.net
Thu May 12 14:09:42 EDT 2016


> On May 12, 2016, at 1:58 PM, Saku Ytti <saku at ytti.fi> wrote:
> 
> On 12 May 2016 at 17:42, Mark Tinka <mark.tinka at seacom.mu> wrote:
> 
> Hey,
> 
>> Has not worked out for us.
>> 
>> Elephant flows (particularly of a non-IP nature) cannot be solved with
>> Juniper's adaptive load balancing. I spent a year working on this...
> 
> I've not used it, curious to hear why it does not work? Of course if
> you don't have any entropy, then there is nothing you can do, if there
> is just single fat flow which needs more than single member has
> capacity, no flows, no flow balancing. What should work, is if in
> addition to fat flows you have others.

My understanding is this is common in mobile backhaul where the traffic
is all encapsulated, or in site-to-site VPN configs where there is no
port data to balance traffic with.

- Jared


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