The definition for SUTO and WUTO is the following:


If some process TODelivers some message m before message mʹ, then a process TODelivers mʹonly after it has TODelivered m.

And for WUTO

If process p and process q both TODdeliver messages m and mʹ, then p TODelivers m before mʹ if and only if q TODdelivers m before mʹ.

I have a hard time getting my head around this. For me, both of them sounds the same...

Any help?


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