north-bound subscriptions

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What's the best way to subscribe real-time on parameter value changes on DataMiner North-bound?

Jeroen Geldhof [SLC] [DevOps Enabler] Selected answer as best 7th February 2024

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There is an (yet to be documented) websocket connection possible.

Information about /API/v1/WebSocket.ashx

I did get some additional help from Wim per e-mail. But it requires to make some calls to the Internal.asmx  api. So i'm not sure if i can share it here as well.

Jeroen Geldhof [SLC] [DevOps Enabler] Selected answer as best 7th February 2024
Jeroen Geldhof [SLC] [DevOps Enabler] commented

Does this support subscribing to real-time value updates of parameters?
How does it handle large amounts of updates?
Gerwin van der Kamp [DevOps Enabler] commented

I’m not sure, i’m currently using it to observe alarms they seem to be real-time. But i saw they have some Observer Tables as well.
Gerwin van der Kamp [DevOps Enabler] commented

did an quicktest with the ObserveParameterTable:

Realtime: yes
Large amounts of updates unsure. Keep in mind that i tested with an Json response where the initial response was over (table of 1302 rows) 122844 lines of json
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