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Hi Ali, Chris,
This is an important discussion which needs to get resolved quickly.
I would like to ensure that XLAUI / CAUI maintains its broad market applicability as a simple retimed interface. I don’t think the current specification methodology prevents it from being leveraged to build retimed modules. I’ve put together the attached material to show how retimed interfaces were specified in the past (namely XFI). In XFI, you’ll notice that the Before Connector and After Connector specs are similar. 40/100GbE modules may have an analogous situation, depending on their size and electrical characteristics.
If we need to change the XLAUI / CAUI specification, we need solid contributions on what needs to change.
From: Ali Ghiasi [mailto:aghiasi@xxxxxxxxxxxx]
Retimed Interface Discussion2.zip
Description: Retimed Interface Discussion2.zip