Specification of Communication Management
AUTOSAR AP R21-11
Table of Contents
1 Introduction and functional overview 11
2 Acronyms and Abbreviations 12
3 Related documentation 13
3.1 Input documents & related standards and norms . . . . . . . . . . . . 13
3.2 Related specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4 Constraints and assumptions 15
4.1 Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.2 Applicability to car domains . . . . . . . . . . . . . . . . . . . . . . . . 15
5 Dependencies to other functional clusters 16
5.1 Platform dependencies . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6 Requirements Tracing 17
7 Functional specification 48
7.1 General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
7.1.1 Architectural concepts . . . . . . . . . . . . . . . . . . . . . . 48
7.1.2 Design decisions . . . . . . . . . . . . . . . . . . . . . . . . . 50
7.1.3 Communication paradigms . . . . . . . . . . . . . . . . . . . 51
7.1.4 Service contract versioning . . . . . . . . . . . . . . . . . . . 52
7.2 End-to-end communication protection for Events . . . . . . . . . . . . 54
7.2.1 Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
7.2.2 Publisher . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
7.2.3 Subscriber - GetNewSamples . . . . . . . . . . . . . . . . . 57
7.2.3.1 Case 1 - there are one or more serialized samples . 59
7.2.3.2 Case 2 - there are no serialized samples . . . . . . . 60
7.2.4 Subscriber - Callable f . . . . . . . . . . . . . . . . . . . . . . 60
7.2.5 Subscriber - Access to E2E information . . . . . . . . . . . . 60
7.3 End-to-end communication protection for Methods . . . . . . . . . . . 61
7.3.1 Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
7.3.2 E2E protection of the service method request (Client) . . . . 62
7.3.2.1 Serializing the payload . . . . . . . . . . . . . . . . . 63
7.3.2.2 E2E protection of the payload . . . . . . . . . . . . . 64
7.3.3 E2E checking the service method request (Server) . . . . . . 64
7.3.3.1 E2E checking of the payload . . . . . . . . . . . . . 68
7.3.3.2 Deserializing the payload . . . . . . . . . . . . . . . 68
7.3.3.3 E2E error notification . . . . . . . . . . . . . . . . . . 69
7.3.4 E2E protection of the service method response (Server)) . . 70
7.3.4.1 Serializing the E2E error response payload . . . . . 72
7.3.4.2 Serializing the response payload . . . . . . . . . . . 72
7.3.4.3 E2E protection of the response payload . . . . . . . 72
7.3.5 E2E checking the service method response (Client) . . . . . 73
5 of 504 Document ID 717: AUTOSAR_SWS_CommunicationManagement
