[j-nsp] Limit on interfaces in bundle

[Edward Dore]

On 29 Oct 2015, at 12:49, Mark Tinka <mark.tinka at seacom.mu> wrote:

> 
> 
> On 29/Oct/15 14:22, Cydon Satyr wrote:
> 
>> Oh wow.
>> 
>> Any real drawbacks to running something like 32x10Gbps LAG link in core
>> instead of higher bandwidth physical links? Just seems so unreal.
> 
> Folk like AMS-IX have publicly acknowledged running 32x 10Gbps on their
> exchange point (albeit, with Brocade) right before 100Gbps ports became
> viable.
> 
> I suppose the biggest issue will be how you hash equally across all of
> the links, especially if much of the traffic being carried is inherently
> Layer 2 (despite having a Layer 3 payload).
> 
> Mark.
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I believe LINX were using 64x10G LAGs between the core nodes on the Juniper LAN in London before the upgrade to use smaller 100G bundles.

I guess the biggest benefit of using 100G interfaces instead of 10x10G is that you can support individual flows >10G.

Edward Dore
Freethought Internet
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