FOREWORDINTRODUCTIONScopeNormative referencesTerms, definitions and abbreviated termsTerms and definitionsAbbreviated termsConformanceIRSP overviewIRSP architectureServer typesAccount serverMessage serverApplication serverIRSP external application serverMessages exchanged between serversOverviewMessages exchanged between account server and message serverRegister on account serverModify the user or device informationDelete account on the IRSPReset device verification code on IRSPMessages exchanged between message server and application server in same ASUser or device uploads message to application server through message serverDevice uploads online/offline notification to application server through message serverApplication server pushes message to user or device through message serverResponse status code for message exchange between message server and application server in same ASMessages exchanged between application servers in same ASOverviewResponse status code for message exchange between application servers in same ASMessages exchanged between message servers in different ASsMessages exchanged between application servers in different ASsMessages exchanged between message server and application server in different ASsMessages exchanged between IRSP internal application server and IRSP external application serverOverviewIRSP internal application server sends message to third party IRSP external application serverThird party IRSP external application server sends message to IRSP internal application serverSecurity of IRSPBibliography