Anthony Liguori wrote:
Avi Kivity wrote:
Anthony Liguori wrote:
Uri Lublin wrote:
Anthony Liguori wrote:
I have already cut your text, but I don't understand the comment
about not being "full duplex". Is there a reason why migration needs
to be bidirectional? I don't think there's a fundamental reason it
needs to be and I think there are some advantages to it being
unidirectional.
Weren't there some acks flowing back on the old protocol to let the
source now things are fine?
There were, but there aren't now. They don't improve reliability.
Why do you think they don't improve reliability ?
The Ack/Go messages catch the scenario where SRC finishes sending all its state,
and DST have a problem loading that state. In that case SRC thinks migration was
completed successfully (and stay in stopped mode), while DST exists.
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