On 12/19/24 03:07, Jason Bothe via NANOG wrote:

> Quite a bit I’d say, particularly in WAN. It’s an easy and excellent
> go-to for line rate encryption along waves and some transparent layer
> 2 services state they support it but haven’t had an opportunity to
> test personally. Double check the implementation for continuation of
> rolling keys and so forth to ensure your expectations are met.

On the DWDM side, expect to add between 0.3W of energy @ 100G, and 0.6W
@ 400G, when encryption is enabled.

Something to keep in mind if power and/or thermal management are crucial
for you.

Mark.