Migration from SAP ECC to S4 HANA

How does SAP S/4HANA Make the Digital Core a Reality?
All improvements and capabilities in SAP S/4HANA can be explained by at least one component of this formula
Common themes
  • >>Unification of disparate data sources
  • >>Drill down to detail
  • >>Landscape consolidation

What Does it Mean to Simplify?

While it is easy to see an improved UX in action, sometimes it can be difficult to understand how we improve a data model. After all, SAP ERP for decades now has run some of the most complicated business processes in the world. Let’s take a look at an analogy to better understand what a simplified data model looks like.

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Simpler Data Model : Inventory Management Example

On the left we see all the transaction and aggregate tables that were required to run basic inventory management. Most of these tables are aggregates and history to provide the subtotals needed for analysis tasks. Now on the right, you can see this is simplified to only 3 objects.  
How is this possible? The HANA in-memory database is so fast, we can compute the aggregates on-the-fly when it is required instead of computing them in advance, often guessing what users will need, and storing them.


Simpler Data Model Impact
Technology
  • >> No aggregates or redundant data
  • >> No locking
  • >> Full granularity for all processes
Capability
  • >> Operations in real time
  • >> Elimination of data reconciliation
  • >> More precision
  • >> Basis for simulations and predictions

Imagine what this simplicity can do for you

  • >> Allow your users to get whatever they need at any level of detail instantly
  • >> Eliminate the need to reconcile data sources or aggregates with the latest transactions
  • >> Reduce the complexity and storage requirements of the system
  • >> Improve the reliability and performance of the system by eliminating locking (HANA is an insert-only DB)
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A Digital Interface for a Digital World

Soft Financial Close Anytime

Now that we have examined a simpler data model and improved UX, let’s take a look at just one example of new capability: soft financial close.

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Post Goods Issue (PGI)

Second, a supply chain example. Whenever goods need to move from one place to another, a follow up financial task called a Post Goods Issue (PGI) must occur. Since inventory information on traditional systems is scattered around multiple tables, a PGI requires locking the tables so the transactions can post. In a high volume environment, this locking means that everyone else must wait in order to proceed. What if we could simplify the underlying data model so that this locking was no longer needed? We can do this with the HANA in-memory database (more on that later).

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Reduced IT Complexity
Impact on IT Landscapes
  • >> Reduced storage
  • >> Less replication
  • >> Less network load
  • >> Faster restart after failover
Example with Finance Data

While it is nice that the business can achieve some awesome benefits from a simpler data model, what is in it for IT? Combined with historical archiving, the database can become much smaller without all that redundant aggregate data. This results in storage savings, faster backup and recovery, and improved reliability (due to less locking). IT stands to benefit just as much as their counterparts in the business. The example on this slide is from an early adopter of Simple Finance, the predecessor of S/4HANA Finance. For more information on HANA database sizing, visit this page: service.sap.com/sizing


S/4HANA FIORI EXPERIENCE
Overview of Fiori Applications

SAP Fiori Applications

MM Fiori App –Purchase Order (Create and Release)

SD Fiori Apps - Launchpad on Mobile view

HOW DO I PLAN FOR SAP S/4HANA ADOPTION ?
Items marked with *can be started immediately
SAP S/4HANA Deployment Strategy Overview
Prepare users and systems
  • >> Readiness Check*
  • >> Business Value Advisor*
  • >> Prototypes*
Determine the transition path
  • >> Greenfield (new implementation)
  • >> Brownfield (conversion)
  • >> Landscape transformation
Adapt custom code
  • >> Assess custom code inventory*
  • >> Address inefficiencies*
  • >> Adapt code to S/4HANA
Choose deployment destination
  • >> On premise
  • >> Cloud
  • >> Hybrid/multi-tier

Your Personalized Journey to SAP S/4HANA
Free, self-service guidance you can get today for IT and the line-of-business
SAP S/4HANA Deployment Strategy Overview
Build Your Business Case

S/4HANA Business Scenario Recommendations
Identify the business processes you can improve and discover new business capabilities.
Customers new to SAP can use Business Value Advisor.

Discover Your Destination
SAP Transformation Navigator

See the S/4HANA roadmap for each component in your current landscape.
Based on current SAP product usage or capabilities your organization wants.
Plan Your Move
SAP Readiness Check

Learn the technical requirements and actions for a system conversion to S/4HANA.
Based on configuration and usage data for customers already on SAP ECC 6.x.

SAP S/4HANA Adoption Paths

The Right Solution for Each Customer Situation

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