2024-07-24

TOTSCO 66 is guidance, optional

I feel I need to explain this.

The TOTSCO call today, first I have been on, and wow!

But a key point was TOTSCO bulletin 66, which is actually quite sensible guidance.

So what is the problem? It is guidance, not mandatory. CPs don't have to follow it even.

So let me try to explain.

If ANY CP follows that guidance then ALL CPs have to change how they create a source correlationID to be totally unique.

The API specification does not require that, so it is a real change.

If some other CP does not do that, the recipient CP, following the guidance, may assume a duplicate message and discard it.

This is non trivial.

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