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- The "op" field from RFC 6902 is replaced with "action" field becaus because in CPS we want to report the action that was performed on the data. And this field can have 3 predefined values: ADD, REMOVE and UPDATE.
- The xpath is used in CPS to uniquely identify individual data nodes and is used in place of JSON path as defined in the two RFCs
- The source-data and target-data fields are used from RFC9144 to report the data that has been added, removed or updated. This approach properly categorizes the data instead of grouping it under the one "value" field as in RFC6902.
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