MIGRATION FROM PI/PO TO INTEGRATION SUITE

MIGRATION FROM PI/PO TO INTEGRATION SUITE

A STRATEGIC PATH TO FUTURE-PROOFING YOUR INTEGRATION LANDSCAPE

Miacore Tip: In PI/PO to SAP Integration Suite migration projects, the first step toward a successful outcome is to perform an end-to-end analysis of the existing integration landscape. It must be clearly identified which flows support critical business processes, which systems they communicate with, and which mapping and transformation rules they contain. After this analysis, the migration process becomes more than a technical relocation effort; it turns into a strategic modernization initiative that transforms the organization’s integration architecture into a more observable, manageable and future-ready structure.

Migration Dimension

Current PI/PO State

Integration Suite Target

Key Business Value

Product Lifecycle

NetWeaver-based on-premise middleware operated in line with a defined maintenance timeline

A cloud-based and continuously evolving integration platform on SAP BTP

Future-ready architecture and reduced dependency on legacy platform constraints

Integration Development

ESR, Operation Mapping, ICO and adapter-based design

Low-code iFlow design, prebuilt packages and reusable components

Faster development and standardized delivery

API and Event Needs

Architecture mainly focused on classic service and proxy-based patterns

Modern digital channel management with API Management and Event Mesh

Real-time, scalable and secure integration

B2B/EDI Management

Partner-based manual configuration and maintenance effort

Centralized management with Trading Partner Management and Integration Advisor

Shorter onboarding and more controlled B2B operations

Monitoring and Operations

Message Monitoring and channel-based technical tracking

Central monitoring, alerting and operations-friendly error analysis

Faster incident resolution and stronger service continuity

💡 Miacore Experience: In field projects, the most critical success factor is performing inventory and criticality analysis correctly from the very beginning. In migration projects that start before it is clear which flows will be migrated, which ones will be simplified, and which ones will be redesigned as API or event-based architectures, timeline, cost and test effort increase rapidly.

Current Integration Management on SAP PI/PO

In the traditional architecture, integration processes are managed on PI/PO through Communication Channels, Integrated Configurations, Operation Mappings, Message Mappings, Java Mappings, adapter modules and ESR objects. This structure has created a strong enterprise standard, especially for SAP internal scenarios based on IDoc, RFC, ABAP Proxy and SOAP.

[ Communication Layer ] File, SFTP, SOAP, REST, JDBC, JMS, IDoc and RFC channels are terminated on the PI/PO adapter framework. Security, certificates, endpoints and channel parameters are generally managed jointly by system administrators and integration consultants.

[ Transformation Layer ] The data model is transformed into the structure expected by SAP systems using Message Mapping, XSLT, Java Mapping or adapter modules. Although this layer is stable, the custom rules accumulated over the years must be analyzed carefully during migration.

[ Operational Impact ] PI/PO is still a strong platform that runs critical processes in many organizations. However, due to the maintenance timeline, the increase in cloud applications, API security requirements, event-driven needs and expectations for centralized B2B management, maintaining this structure alone in the long term may create operational risk.

Modern Integration Approach with SAP BTP Integration Suite

In the modern architecture, integration is not merely a middleware layer that transforms messages; it is a core component of the organization’s digital platform strategy. SAP Integration Suite supports this approach by combining multiple capabilities under a single umbrella:

• Cloud Integration: Process-oriented integration flows are designed between SAP and non-SAP systems. The iFlow concept offers a more readable and sustainable development model with visual modeling, exception subprocesses, reusable flows and package management.

• API Management: Internal or external services are managed as secure API products. With rate limiting, authentication, policies, logging and a developer portal approach, the integration layer becomes part of the digital channel strategy.

• Event Mesh: Real-time business events can be published and consumed. Events such as order creation, delivery update or stock change can be distributed instantly across systems.

• Trading Partner Management and Integration Advisor: In B2B/EDI processes, partner information, agreements, protocols, mapping recommendations and standard message structures are managed in a more centralized and controlled way.

Why Is PI/PO Migration Important in SAP?

For a company using SAP, the integration layer is the main backbone through which ERP communicates with the outside world. Sales orders, deliveries, stock movements, financial documents, store systems, e-commerce, warehouse management, logistics providers, suppliers and SaaS applications operate through this backbone. Therefore, the migration decision is not merely an IT project; it is directly a matter of business continuity.

• Reduces Maintenance and Sustainability Risk: As the PI/PO maintenance timeline is clear, organizations can establish a planned transition strategy before leaving the decision to the last minute.

• Supports the Cloud and S/4HANA Journey: As RISE with SAP, S/4HANA transformation and SaaS application usage increase, it becomes critical for the integration layer to become cloud-ready.

• Enables the Shift to API- and Event-Driven Architecture: It provides a strong foundation for moving from classic point-to-point service patterns to manageable APIs and real-time event architecture.

• Increases Operational Visibility: Central monitoring, error analysis, alerting and standardized operation processes shorten the response time of technical teams.

• Optimizes Total Cost of Ownership: Legacy platform maintenance, custom developments, manual monitoring and recurring configuration effort are reduced, creating a more standardized operating model.

What Are the Migration Risks?

Migration can introduce serious risks when it is not planned correctly. Most of these risks do not arise from the platform itself, but from an insufficient understanding of the existing PI/PO inventory and a weakly designed test strategy.

• Incomplete Inventory Risk: An interface assumed to be unused may actually be critical during month-end financial closing or campaign periods. Therefore, message volume, last usage date, business owner and dependencies must be clearly identified.

• Mapping Behavior Risk: UDFs, Java Mappings, XSLTs or adapter module behavior written over the years on PI/PO may not work exactly the same way on Integration Suite. Test data must cover real business scenarios.

• Security and Network Risk: Certificates, users, OAuth/client credential structures, IP allowlists, Cloud Connector connections and firewall rules must be verified before cutover.

• Operational Habit Risk: If teams have worked with PI/PO monitoring screens for years, error tracking, log reading, retry and alerting processes on the new platform must be supported with training.

• Big-Bang Cutover Risk: Moving all flows at once makes the rollback plan more difficult. A wave-based transition model that prioritizes critical processes and includes parallel monitoring is safer.

What Determines Success in Migration Projects?

Technology is important in the transition from PI/PO to Integration Suite; however, the main factor that determines success is the right project approach. For a successful go-live, the following questions must be answered during the architectural design phase:

• How many active interfaces exist in the current PI/PO inventory, and are their business owners and criticality clearly defined?

• Which flows will be migrated one-to-one, which will be simplified, and which will be transformed into API or event-based architecture?

• How will Java Mapping, UDF, adapter modules, custom headers, dynamic configuration and special routing rules be analyzed?

• How will the security model be established on the target platform; who will manage certificates, OAuth, basic authentication, Cloud Connector and network permissions?

• Will regression testing include scenarios close to real production data, error scenarios and high-volume tests?

• How will monitoring, alerting, retry, support and hypercare processes be handed over to operations teams after go-live?

🚀Why Miacore?: With our deep field experience in legacy PI/PO architectures and our technical expertise in SAP BTP Integration Suite transformations, Miacore helps make migration risks manageable. We do not merely move interfaces; we design the organization’s integration operating model, test strategy and post-go-live operational capability together.