[bind10-dev] the message on cc-channel (was: Re: How to implement query counters in auth module?)

[Likun Zhang]

> Do you mean in the case of "fire-and-forget" the original sender sets
> need_reply to false?

Yes

> I don't have a strong opinion on this proposal (yet), but please let
> me ask a more fundamental question: what's the problem of the "orphan
> message"?  Whether or not we introduce "need_reply", an orphan message
> can happen, e.g., a sudden and unexpected quit of the sender.  So,
> IMO, if the problem is serious we should consider a more fundamental
> fix.  On the other hand, if it's minor, we may be able to ignore such
> cases.

If there are too many 'orphan message' in queue, it will delay getting the
reply, since the code has to check the message's id from queue's beginning
to end, and also it will occupy some memory.
fundamental fix should be: "make one protocol, and let every message
sender/receiver follow it."

Thanks
Likun