Increase Round Trip Delay between Web-SDK and NodeJS Rainbow accounts.

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Alejandro

• October 04, 2018 07:40

Good morning,

I've a development where the Round Trip between WEBSDK and NodeJS Rainbow account is critical.

If I   create a new user in NodeJS and start to use it, the RTT is between 50-150ms. With the use of the application RTT is increasing and for example goes to 1600ms.

If I restart nodeJS, RTT is still the same before restarting.

If I create again a new user without any other modification in the code, and restart code. Automatically RTT start again in low values.

 

Best regards.

 

 

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  Alejandro

  • October 04, 2018 07:51

  Let me add. If I run a simplest code to only send a IM response to keepalive from NodeJS to WebSDK in the same or different server, the RTT is the same.

   

  Note : RTT calculation is done of the following  way. When specific account running in  WebSDK starts send a IM start Keepalive message to NodeJS. NodeJS starts the keepalive process. Put the timestamp in a IM Keepalive to WebSDK. WebSDK forward the message again to NodeJS, and NodeJS calculate the difference between timestamps.

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  Alejandro

  • October 16, 2018 09:53

  Point Solved removing old messages in NodeJS and WebSDK developments. After removing it time decrease from 1600 ms to 150ms.

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