Mark Brouwer wrote:
Gregg Wonderly wrote:
Mark Brouwer wrote:
2) do you think it is essential a client must be able to find out
whether an event producer is able to deliver events at all;
>>
In my industry we call these "health check" events. At regular, known
intervals, a remote field device, which is using a "Report by
Exception" event delivery instead of a "poll at interval" discovery
model, will send it current state to the listeners/subscribers.
I know you mentioned this the last time. I'm curious whether the "health
check" event contains other data or is it just the equivalent of "I have
nothing to report besides the fact I'm still alive."
It has the current state in many cases to "fix" missed event problems. Many
times its more data than would typically be received to make it clear exactly
what is going on with the device.
Gregg Wonderly
