On 01/03/17 17:19, Robbie Gemmell wrote:
How did you know they had actually stopped or that it was then safe to
flow them new credit, just waiting for a while?

If you flow new credit before the link is actually stopped you need to
cope with that fairly specifically in case they hadnt really stopped.
>
There is scope for things to get out of whack otherwise, on both ends,
as they need to carefully handle the delivery-count and credit based
on what occurs and whether they have already exceeded the previous
allowances or not when the updates get sent/arrive.

The link credit is an absolute value. Setting it to 0 then to some other value should be no different that e.g. setting it to 100, then resetting it to 200 before the first flow is known to have been processed by the sender. The latest value indicated by the receiver is the valid value.


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