Preface

13

Objective of This Book

13

Target Audience

14

Structure of This Book

14

Acknowledgments

16

1 Introduction

19

1.1 Introduction to SAP S/4HANA

20

1.2 Architecture and Characteristics

25

1.2.1 Architecture Overview

25

1.2.2 Modern Technology

28

1.2.3 User Experience

30

1.2.4 Business Processes

32

1.2.5 Intelligence and Analytics with SAP Analytics Cloud

34

1.3 Deployment Options

36

1.4 Implementation Options

42

1.4.1 SAP Activate

43

1.4.2 Greenfield Approach

44

1.4.3 Brownfield Approach

45

1.4.4 Hybrid Approach

45

1.5 Summary

46

2 Integration Technologies

47

2.1 SAP Strategy and Recommendations for Integration

48

2.2 Technologies from SAP

50

2.3 New and Improved Technologies

56

2.3.1 OData

56

2.3.2 SAP Application Interface Framework

57

2.3.3 New Output Control

62

2.3.4 Business Rules Framework Plus

64

2.4 SAP Business Technology Platform

67

2.4.1 SAP Integration Suite

67

2.4.2 Cloud Connector

72

2.5 Summary

73

3 Electronic Data Interchange

75

3.1 Concept and Characteristics of EDI

76

3.1.1 EDI Process Flow

76

3.1.2 Key Components

79

3.1.3 Benefits and Limitations

80

3.1.4 EDI Integration with SAP S/4HANA

81

3.2 EDI Standards for Messages

82

3.2.1 Main Standards

84

3.2.2 UN/EDIFACT Standard in Detail

92

3.2.3 Syntax and Semantics

94

3.2.4 Transaction Messages for Sales and Distribution

95

3.3 EDI Standards for Communication

96

3.3.1 Value-Added Network

96

3.3.2 SSH File Transfer Protocol

98

3.3.3 Applicability Statement 2

99

3.3.4 Additional Security Aspects

102

3.4 Characteristics of the EDI Integration Pattern

103

3.5 Example Use Case for EDI

104

3.6 Summary

105

4 EDI Processing in the SAP S/4HANA Landscape

107

4.1 Business Process

107

4.1.1 Organizational Structure in Sales and Distribution

109

4.1.2 Business Partners

111

4.1.3 Material Master Record

112

4.1.4 Sales and Distribution Processes

113

4.1.5 Integration of Sales with External Buyers

119

4.1.6 Implementation Context

119

4.2 Technical Solution Design

120

4.2.1 Requirements

121

4.2.2 Diagram of the Landscape

123

4.3 Summary

136

5 Prerequisites

137

5.1 Prerequisites Checklist

137

5.1.1 Agreed-Upon Identifiers

138

5.1.2 SAP S/4HANA Sales Organization and Master Data

145

5.1.3 Material Master Data

147

5.2 Summary

148

6 Initial Setup of the Environment

149

6.1 Readiness of the Technical Components

149

6.1.1 Prerequisites for the Components

149

6.1.2 Assumptions

150

6.2 Deployment of the Trading Partner Management Package

150

6.3 Connecting SAP S/4HANA and SAP BTP

154

6.3.1 Overview

155

6.3.2 SAP S/4HANA Outbound Flows

156

6.3.3 SAP S/4HANA Inbound Flows

164

6.4 Summary

181

7 Configuration and Development in SAP S/4HANA

183

7.1 IDoc Fundamentals

183

7.2 IDoc Selections

185

7.2.1 Message Types and Basic Types

185

7.2.2 Segments and Fields

190

7.2.3 Sample IDocs

193

7.3 IDoc Processing

200

7.3.1 Inbound Processing

200

7.3.2 Outbound Processing

207

7.3.3 Business Rules Framework Plus

212

7.3.4 Adding Output Determination Rules via Business Rules Framework Plus

214

7.4 Handling External Identifiers during IDoc Processing

219

7.5 Summary

224

8 SAP Application Interface Framework

227

8.1 Enabling SAP Application Interface Framework

227

8.2 Customizing IDoc-Based Interfaces on SAP Application Interface Framework

230

8.2.1 Creating Index Tables and IDoc Structures

230

8.2.2 Interface Development

238

8.2.3 Error Handling

244

8.2.4 System Configuration

264

8.3 Summary

271

9 SAP Integration Suite

273

9.1 B2B EDI on SAP Integration Suite

273

9.2 Integration Advisor

274

9.2.1 Defining Message Implementation Guidelines for IDoc Messages

275

9.2.2 Defining Message Implementation Guidelines for EDIFACT Messages

300

9.2.3 Defining Mapping Guidelines

313

9.2.4 Generating Runtime Artifacts

337

9.3 Trading Partner Management

337

9.3.1 Creating the Company Profile

338

9.3.2 Creating a Trading Partner Profile

344

9.3.3 Creating Agreement Templates

352

9.3.4 Agreements

362

9.3.5 Partner Directory Data

368

9.3.6 Cross Actions

370

9.3.7 Configuration Manager

370

9.4 Summary

373

10 Checking the EDI Solution

375

10.1 Verifying Inbound Processing

375

10.1.1 Sales Order EDI Transaction

376

10.1.2 Tracing the Message on Cloud Integration: B2B Scenarios Monitoring

378

10.1.3 Tracing the Message on SAP S/4HANA: Message Monitoring

386

10.1.4 Checking the Sales Order Document via Manage Sales Orders App: Version 2

389

10.2 Verifying Outbound Processing

392

10.2.1 Sales Order Response EDI Transaction

392

10.2.2 Advanced Shipping Notification and Invoice EDI Transactions

399

10.3 Negative Testing, Alerting, and Error Handling

408

10.3.1 Receiving an EDI Message that Cannot Be Properly Identified by Trading Partner Management

408

10.3.2 Receiving UN/EDIFACT ORDERS D96A that Contains Invalid Data (Material Number)

410

10.4 Summary

414

11 Test Automation

415

11.1 Overcoming the Challenges of EDI Testing

415

11.2 The Value of and Approaches to EDI Testing

416

11.3 Automated Regression Testing for EDI with Int4 Suite

418

11.3.1 Int4 Suite Overview

418

11.3.2 Automated Component-Based Testing of EDI

419

11.3.3 Automated End-to-End EDI Business Process Testing

452

11.4 Summary

458

12 APIs

459

12.1 API Concept and Characteristics

459

12.1.1 Key Components and Types

460

12.1.2 Architectural and Protocol Styles

463

12.1.3 Benefits and Limitations

468

12.2 APIs in SAP S/4HANA

471

12.2.1 Overview

471

12.2.2 API Management

473

12.2.3 Graph

476

12.2.4 APIs in Other SAP Solutions

479

12.2.5 API Consumption

484

12.2.6 SAP Gateway

485

12.2.7 SAP Gateway Deployment Options

486

12.2.8 Sample API

489

12.3 Extending the EDI Scenario with APIs

491

12.3.1 SAP Gateway Activation

491

12.3.2 Enabling the Product API

494

12.3.3 SAP Gateway Client

498

12.3.4 Exposing the API: Security Aspects

501

12.3.5 Cloud Connector

502

12.3.6 API Management

504

12.4 Summary

524

13 Conclusion and Outlook

527

13.1 Component Versions

527

13.1.1 SAP S/4HANA

527

13.1.2 SAP Integration Suite

528

13.1.3 Cloud Connector

531

13.2 Topics Intentionally or Necessarily Overlooked

531

13.2.1 Custom Requirements and Enhancements

531

13.2.2 Monitoring Data and Archiving

535

13.3 Summary

536

The Authors

537

Contributor

537