Is it a bug? Ember+ Viewer sends connect/disconnect to oneToN Matrix (Documentation says nToN only)

[forasugais]

The Ember+ Documentation (Glow DTD ASN.1 Notation) defines ConnectionOperation as follows:

ConnectionOperation ::= 
    INTEGER { 
        absolute (0), -- default. sources contains absolute information 
        connect (1), -- nToN only. sources contains sources to add to connection 
        disconnect (2) -- nToN only. sources contains sources to remove from connection 
    }

The Issue: The documentation states that connect (1) and disconnect (2) are for nToN only. However, Ember+ Viewer uses these operations for a oneToN Matrix as well.

Question: Is this a bug in the implementation, or is the documentation's "nToN only" note incorrect?

[MrJones4u]

both :-)

the ember+ viewer implementation is just being lazy, as the ember+ ewer is a debug tool and not a reference for good implementation.

But the documentation also states falsely that disconnect is only used for n/n. There are valid cases where a 1:n might use disconnect e.g. many audio routers or network routers might opt to use a disconnect instead of the dedicated mute/blind signal very common with e.g. video routers.

[forasugais]

Thank you for your reply.

I think operation: absolute with sources: [] is essentially the same as operation: disconnect. Given that, I'm not sure there's enough justification for why we specifically need a disconnect operation for 1:n cases.

However, in cases where a Provider is controlled by generic Consumers, I believe it is worth supporting connect and disconnect even in 1:N setups if those operations are the de facto standard for Consumers. Rejecting them as an error (tally) would only cause compatibility issues.