> Of Saku Ytti
> Sent: Tuesday, June 07, 2016 7:02 AM
>
> On 7 June 2016 at 03:09, Ross Halliday
> <ross.halli...@wtccommunications.ca> wrote:
>
> Hey,
>
> In my mind fabricless single-linecard design is desirable, as it reduces delay
> and costs significantly. Not only can you omit fabric chip, but you can get
> >2x
> the ports on faceplate, as no capacity is wasted on fabric side.
> Because of this design choice, I think MX80/MX104 is better box with smaller
> BOM than ASR9001.
>
These are all valid theoretical constrains.
Yet MX104/MX80 system capacity is 80Gbps and ASR9k1 is 120Gbps.
And as we all know if you shift from the ideal packet size and pure IP routing
the forwarding performance deteriorates more quickly on juniper NPs compared to
cisco NPs.
Also the RP on ASR9k1 is faster than one used in MX104.
So I'd say ASR9k1 is better box than MX104/MX80.
adam
Adam Vitkovsky
IP Engineer
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