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Assuming back-to-back packets, the average IPG that will be present
in the packet stream mapped to the SONET payload after deletion of
idles will be 9.6 nsec. In the WAN-PHY application, the MAC will
expand the IPG to lower the sustained data rate to < 9.58464 Gb/s while
keeping the instantaneous data rate at 10.000 Gb/s. Effectively, this
means that the minimum IPG will be increased to > 10.016026 nsec.
When the PCS/WIS combination causes the extra idles to be
deleted, this IPG will come back to 9.6 nsec.
- Tom Alexander
This is regarding the number of IDLEs to
be put on the
What is the minimum IPG that must be there after deletion of idles?