Serious Juniper Hardware EoL Announcements

Sat Jun 18 13:40:50 UTC 2022

On 6/17/22 14:47, Saku Ytti wrote:

> I can't pinpoint HMC as a bad solution, yes we've had our share of HMC
> issues, but we've also on JNPR and some other vendors previously
> replaced all linecards due to memory issues, before stacked DRAMs were
> a thing, memories are notoriously fragile.
> I can pinpoint HMC as a huge risk due to no manufacturer :).
>
> The memory issues are exacerbated by needing to reload the whole
> linecard when one memory has issues, JNPR has now delivered on newer
> images fixes where you can reduce both the collateral damage and
> downtime by reloading individual PFEs (and connected memories).
>
> I do think HMC was a solid engineering choice, and I am a bit annoyed
> that it lost to HBM instead of co-existing with little different
> optimization points. But that doesn't excuse the situation.

At the rate we are going, perhaps running Apple's M-chips for routers 
(to the extent possible) is not entirely unthinkable :-).

Mark.