Yes, this article has been really helpful in the past!

Indeed, being aware of the occurrence of GREs can be crucial. In any case, it is important to view GREs not only as constraints, but also as assets.

In particular, a GRE is to my knowledge the only way to clear the buffer of the “Single Delay” Module, which can be very useful if, in other respects, the features of this Module are sufficient for your needs.

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