1. Minimum SP Stack level following the Interoperability Paradigm
Stefan Elfner
Head of System Landscape Governance Board, SAP
September, 2011
revised January, 2018

2. The interoperability paradigm in reference landscapes
Goal: Avoid any dependencies between different Support Packages, Enhancement Packages, or Releases of connected systems
Time / Change
System A
Central
System
System B
Start

3. The interoperability paradigm in reference landscapes
Time / Change
System A
Central
System
System B
Upgrade/Update of System A

4. The interoperability paradigm in reference landscapes
Time / Change
System A
Central
System
System B
Upgrade/Update of the Central System

5. The interoperability paradigm in reference landscapes
Time / Change
System A
Central
System
System B
Upgrade/Update of System B

6. The interoperability paradigm in reference landscapes
Time / Change
Central
System
System A
System B
Upgrade/Update of the Central System

7. The interoperability paradigm in reference landscapes
Time / Change
Central
System
System B
System A
System B
Upgrade/Update of the central system also requires Upgrade/Update of System B

8. The interoperability paradigm in reference landscapes
Time / Change
System A
System B
Central
System
System B
Upgrade/Update of System A also requires Upgrade/Update of System B

9. ‘Domino Effect’ caused by non-interoperability Extended approach
1. Customer uses SAP ERP 6.00 EHP5 SP Stack 03 running on SAP NW 7.00 EHP2 SP Stack 06 with Applications/Content on Portal Hub Customer uses SAP SRM 7.00 EHP1 SP Stack 03 running on SAP NW 7.00 EHP2 SP Stack 06 with Applications/Content on Portal Hub
2. Customer wants to update SAP SRM 7.0 EHP1 SP Stack 03 to SP Stack 04 which requires SAP NW 7.00 EHP2 SP Stack 07
3. Customer has to update SAP SRM Portal Application/Content to SP Stack 04 which requires SAP NW 7.00 EHP2 SP Stack 07
4. Customer is forced to update SAP ERP 6.00 EHP5 Backend and Portal Application/Content from SP Stack 03 to SP Stack 04
SAP ERP 6.00 EHP5 SP Stack 03
SAP ERP 6.00 EHP5 SP Stack 04
SAP SRM 7.00 EHP1 SP Stack 04
SAP SRM 7.00 EHP1 SP Stack 03
SAP ERP Application/Content 6.05 SP Stack 03
SAP ERP Application/Content 6.05 SP Stack 04
SAP SRM Application/Content 7.01 SP Stack 04
SAP SRM Application/Content 7.01 SP Stack 03
SAP Enterprise Portal
SAP NW 7.00 EHP2 SP Stack 07
SAP Enterprise Portal
NW 7.00 EHP2 SP Stack 06