On 29/Jun/18 10:08, Saku Ytti wrote:
> It would be still interesting to hear what was the reason. Would the
> preELS map poorly to modern switching asics, is postELS more in-line
> on how forwarding-plane is actually programmed? Or could they have
> trivially supported preELS, but regardless of BRCM noticed their first
> attempt at switch CLI has inefficiencies they decided to remedy while
> changing everything anyhow.
The rumour was that because of the use-case of the QFX (large scale data
centre switching), Juniper were slanting development toward Web Scale
customers, and wanted to make sure any interest in the lower-end of the
market (EX) did not present a different CLI than those customers were
accustomed to with the QFX. Because the Web Scale customers are needing
more IP functionality in their Layer 2 switching environments, ELS makes
that easier to do without actually having to sell a router to them for such.
Again, the rumour...
As a regular telecoms operator, I have no such needs.
Mark.
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