Charging Proxy Application (CPA) Exception measurements

The CPA Exception measurement group contains measurements that provide information about exceptions and unexpected messages and events that are specific to the CPA application. Measurements in this group include:
  • Totals for unexpected/errors associated with message content
  • Totals for unexpected/errors associated with message routing
CPA Exception Measurement Report Fields
Measurement Tag Description Collection Interval
EvCpaMessageDecodeFail The total number of diameter message decode failures. 5 min
EvCpaMissingAvp The total number of diameter messages received without an AVP required for this application. 5 min
EvCpaOOS The number of times the CPA was taken Out Of Service. 5 min
EvCpaSubResourceCongested The total number of Sub-Resources that are determined to be in congestion. 5 min
EvCpaUnexpectedSess The CPA has received an ACA-Start that already has a Session Binding Record. 5 min
EvCpaUnkDiameterAppId The total number of diameter messages received with an unknown application ID. 5 min
RxCpaHaSubResourceUnavail The number of times a Diameter message is received whose Session-Id hashes to a database partition that is unavailable. 5 min
RxCpaNon2xxAnswer The number of Diameter Answer messages received with a non-2xx response code. 5 min
RxCpaOpStatusUnavail The number of times a message is received and the CPA has an operational status of unavailable. 5 min
RxCpaUnexpected The number of Unexpected Diameter message types received during the reporting interval. 5 min
TxCpaAnswerByCpa The number of times an Answer is generated (not relayed) by the CPA. 5 min
TxCpaRteFailure The number of messages sent by the CPA to the routing layer which failed to route successfully. 5 min