Extra 10 Bytes Added to GSU When USU Is Zero in Roaming Zones (Doc ID 2914368.1)

Last updated on DECEMBER 12, 2022

Applies to:

Symptoms

On Oracle Communications Elastic Charging Engine (ECE) 12.0.0.4.7 Cloud Native Deployment, whenever a CCR-Update (CCR-U) Request having Uses-Service-Units (USU)=0 is received, ECE add extra 10 bytes to the next Granted-Service-Units (GSU). This issue is observed in roaming zones.

ACTUAL BEHAVIOR
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This is observed when setting the rateZeroQuantity parameter to "true" inside charging-settings.xml.
When this parameter is set to false then GSU calculation is working fine. But the user needs to set this parameter as "true" as per their business requirement.


EXPECTED BEHAVIOR
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ECE should not grant any extra bytes on the Granted Service Units after receiving a CCR-U with USU=0.

STEPS
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The issue can be reproduced at will with the following steps:
1. Set rateZeroQuantity=true inside charging-settings.xml
2. Send CCR-I diameter usage request to ECE DiameterGateway for a sample account
3. Send CCR-Update request and see if ECE is responding with CCA-Update with GSU as expected
4. Send next CCR-Update request with USU=0 and check if ECE is responding with CCA having any extra bytes (example 10 bytes) added to the GSU
5. Send next CCR-Update request with USU=0 and check if ECE is responding with CCA having any extra bytes (example 10 bytes) added to the GSU

Cause

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