Coexistence integration for phased migrations, indefinite hybrids and M&A multi-platform footprints. Master-data sync, transactional flows, PI/PO + CPI bridges, multi-currency multi-ledger preservation, statutory-grade audit logging.
Few ECC-to-Fusion migrations cut everything in one weekend. Most are phased over 12–24 months, and many keep parts of ECC indefinitely. Sap ecc oracle fusion integration is the layer that makes those scenarios work without breaking accounting integrity.
Three scenarios drive sap ecc oracle fusion integration. First, phased migration: customers cut Fusion Financials in month 12 but keep ECC MM/SD running until month 18 or 24 — during that window, every order, invoice, goods movement and journal has to flow correctly between systems with no loss, no double-count and no accounting integrity break. Second, indefinite hybrid: customers commit Fusion for finance, HR and analytics but keep ECC for a specialised pillar (typically manufacturing PP or plant maintenance PM) for the long term — the integration is permanent infrastructure. Third, M&A: an acquirer running Fusion absorbs an acquired entity running ECC, and the integration runs while consolidated reporting catches up to a single platform.
Each scenario needs the same fundamentals. Bidirectional master-data sync (customer, supplier, item, employee, cost-centre, profit-centre, bank). Real-time transactional sync on the order-to-cash and procure-to-pay flows that drive business operations. Batch reconciliation on period-end GL roll-up and cost allocations. Multi-currency and multi-ledger preservation in flight (parallel currencies and non-leading ledgers continue to work). Statutory-grade audit logging that survives external audit, Wirtschaftsprüfer review, BaFin examinations and IRS inquiries. PI/PO and CPI bridge options when existing SAP integration investment justifies keeping the SAP integration platforms alive during coexistence.
Syntra ETL ships sap ecc oracle fusion integration as the same connector engine that powers the ECC-to-Fusion migration itself — but configured for ongoing operation rather than one-shot data move. Same extraction modes (direct-DB / BAPI / IDoc / ABAP CDS / SLT). Same target emitters (FBDI for batch, Fusion REST APIs for real-time). Same crosswalks (BKPF/BSEG → Fusion GL, KNA1 → TCA, LFA1 → Supplier, MARA → Item, EKKO → PO, VBAK → SO). Same hash-anchored audit logging. The difference is operational mode: from one-time migration to continuous hybrid integration.
Each track has its own connector pattern, latency profile, conflict resolution policy and audit footprint.
KNA1/KNB1/KNVV ↔ Fusion TCA Party + Customer Account + Site + BU Assignment. Bidirectional, real-time, source-of-truth policy per attribute set. Partner functions preserved.
LFA1/LFB1/LFM1/LFBK ↔ Fusion Supplier + Site + Procurement BU + Banks. Bidirectional, real-time. Withholding-tax categories preserved across both platforms.
MARA/MARC/MARD/MBEW ↔ Fusion Item + Item-Org. UoM, valuation class, item-class, batch/serial flags preserved. Plant ↔ Inventory-Org mapping enforced.
ECC SD sales order / billing → Fusion OM / AR Invoice. Or reverse: Fusion order → ECC reservation. Real-time, multi-currency, multi-ledger preserved end-to-end.
ECC MM purchase order / goods receipt / invoice posting → Fusion AP. Or reverse: Fusion AP invoice → ECC BSIK. Real-time. Withholding tax preserved.
Sub-ledger postings from one platform consolidated into the other's GL via batch FBDI GL Journal Import or REST GL post. Multi-ledger preserved. Reconciliation at every cycle.
Optional pattern: PI/PO continues to terminate ECC-side integrations, an additional ICO routes to Fusion. CPI handles cloud-to-cloud. Justified when existing SAP integration investment is material.
Every cross-system message carries trace ID + timestamps + source/destination hashes. Logs land in immutable WORM storage. SIEM-integrated via Syslog/CEF.
A multi-stage workflow that scales the integration from initial design through steady-state operation to eventual sunset.
Identify scope (master-data domains, transactional flows, GL roll-up, batch reconciliation). Source-of-truth policy per attribute set. Conflict-resolution rules. PI/PO + CPI bridge decision.
ECC side: extraction mode (direct-DB / BAPI / IDoc / ABAP CDS / SLT) per domain. Fusion side: FBDI for batch, Fusion REST APIs for real-time. Crosswalks applied (BKPF/BSEG/KNA1/LFA1/MARA/EKKO/VBAK).
Test scenarios: customer create in ECC → Fusion sync, supplier create in Fusion → ECC sync, ECC SD invoice → Fusion AR invoice, Fusion AP invoice → ECC BSIK. Multi-currency, multi-ledger preserved end-to-end.
Integration declared live at the same moment as the relevant pillar cutover. PI/PO ICOs disabled where superseded. Country e-invoicing flows re-routed where applicable. SIEM integration validated.
Continuous bidirectional flow. Monthly reconciliation: ECC sub-ledger vs Fusion GL roll-up matches to the cent. Quarterly review of error rates, latency, throughput. Capacity scaled with volume.
As each ECC pillar retires, the corresponding integration domain sunsets with two-person approval. Cutover evidence binder updated. No orphan flows. When all ECC pillars retire, integration sunsets entirely.
The six properties that distinguish a sustainable hybrid integration from a fragile point-to-point pipe.
Parallel currencies (DMBTR/DMBE2/DMBE3) and non-leading ledgers (0L + IFRS + HGB + US-GAAP) preserved in flight. Translation rates row-by-row. Period-end FX revaluation continues to work.
Every message carries source-row hash and destination-row hash. Lineage queries reconstruct full cross-system flow in seconds. Statutory-grade audit evidence.
Per attribute set, the source-of-truth is explicit. Conflicts logged and routed to data-stewardship workflow. Platform never silently overwrites.
Existing SAP integration investment respected. Bridge patterns supported when justified. Direct bypass supported when not. Customer chooses based on coexistence duration.
Per data domain, policy choice is real-time or batch — same connector engine. Decision based on business latency tolerance, not tool limitation.
Phased migrations sunset integration domains as ECC pillars retire. No orphan flows. No silent pipe leaks. Cutover evidence binder updated at every sunset event.
Sap ecc oracle fusion integration is the bidirectional real-time and batch interface layer that lets a customer run SAP ECC and Oracle Fusion side-by-side during a phased migration, an indefinite hybrid coexistence (e.g. ECC for manufacturing, Fusion for finance), or an M&A-driven multi-platform footprint. The integration handles: master-data synchronisation (KNA1 ↔ Fusion Customer, LFA1 ↔ Fusion Supplier, MARA ↔ Fusion Item), real-time transactional sync (ECC SD billing → Fusion AR Invoice, Fusion AP Invoice → ECC BSIK, ECC MSEG goods movement → Fusion Inventory), batch reconciliation (period-end GL roll-up from one system to the other), and PI/PO + CPI bridges where applicable. Syntra ETL sits in the middle as the policy-controlled, audit-logged integration platform.
Sap ecc oracle fusion integration is real-time when the business needs sub-minute reflection of data across systems — order acceptance, credit check, available-to-promise, inventory commit. Batch when the business tolerates hours-to-day latency — period-end consolidation, weekly inventory valuation roll-up, monthly cost-allocation roll-up. The decision is per data domain, not whole-system. A typical hybrid runs: real-time on customer/supplier/item master, real-time on order-to-cash flows, real-time on procure-to-pay flows, batch on GL roll-up (daily or per period), batch on cost allocations, batch on long-tail master attributes. Syntra ETL's integration layer supports both modes interchangeably so the policy choice is a business decision, not a tool limitation.
Many ECC customers already use SAP Process Integration (PI/PO) for ECC-to-everything integration, and may have SAP Cloud Platform Integration (CPI) or BTP Integration Suite for cloud-side flows. In a coexistence scenario, sap ecc oracle fusion integration can run as: (a) PI/PO bridge — PI/PO continues to terminate ECC-side integrations, an additional ICO routes traffic to OIC or directly to Fusion REST APIs; (b) CPI bridge — CPI handles new cloud-to-cloud flows including ECC-to-Fusion; (c) direct Syntra ETL — bypassing PI/PO and CPI entirely with native Syntra ETL connectors on both ends. The right pattern depends on existing investment in PI/PO/CPI, internal team skills, and the projected coexistence duration. Long coexistence (3+ years) often justifies bypassing PI/PO entirely; short coexistence (under 18 months) often justifies keeping PI/PO live.
Master-data sync is the foundation of any working hybrid. Sap ecc oracle fusion integration runs bidirectional sync for: customer master (KNA1/KNB1/KNVV ↔ Fusion TCA Party + Customer Account + Site), vendor master (LFA1/LFB1 ↔ Fusion Supplier + Site), item master (MARA/MARC ↔ Fusion Item + Item-Org Assignment), employee master (PA0000-series ↔ Fusion Worker), cost-centre (CSKS ↔ Fusion Cost Center segment), profit-centre (CEPC ↔ Fusion Profit Center segment), bank master (LFBK/KNBK ↔ Fusion Bank Account). Each domain has source-of-truth rules: typically ECC is source for material/inventory master in a finance-on-Fusion-only scenario, Fusion is source for customer/supplier master once finance has cut. Conflict resolution is policy-driven and audit-logged. The platform never silently overwrites a value — it logs the divergence and routes to the data-stewardship workflow.
Transactional split depends on which pillar is on which platform. Pattern 1 (finance-on-Fusion, supply-chain-on-ECC): order-to-cash starts in ECC SD (sales order, delivery, billing), the billing document flows via integration to Fusion AR (invoice and accounting). Procure-to-pay starts in ECC MM (PO, goods receipt), the invoice posting flows to Fusion AP. GL roll-up from ECC stays in ECC, sub-ledger postings reflected in Fusion GL. Pattern 2 (manufacturing-on-ECC, everything-else-on-Fusion): production orders in ECC PP, finished-goods movement to ECC MM inventory, periodic inventory valuation roll-up to Fusion GL. Pattern 3 (M&A coexistence): both tenants run full-pillar but consolidated reporting roll-up periodically via Fusion consolidation. Sap ecc oracle fusion integration handles all three patterns with the same connectors.
Yes — and this is where naive integration platforms break. Sap ecc oracle fusion integration preserves parallel-currency context (DMBTR / DMBE2 / DMBE3) and multi-ledger context (leading 0L plus non-leading IFRS / HGB / US-GAAP) as transactions move between systems. An ECC SD billing posting denominated in EUR with parallel currencies USD and GBP, posting to ledger 0L (German GAAP) and ledger 1L (IFRS), arrives in Fusion AR with all three currency amounts on the correct primary, secondary and reporting ledger journal lines. Translation rates are preserved row-by-row. Period-end FX revaluation continues to function correctly. The hybrid does not break the parallel-currency or multi-ledger architecture of the running ECC system.
Every cross-system message carries a globally unique trace ID, source-system timestamp, destination-system timestamp, source row hash, destination row hash, transformation version, and the user / service-account that initiated. Sap ecc oracle fusion integration logs land in immutable WORM storage with retention matching the longest applicable framework (HGB 10-year for German entities). Audit queries: 'show every ECC SD billing document that became a Fusion AR invoice in fiscal 2026' returns the full lineage in seconds. 'Show every Fusion AP invoice that updated an ECC BSIK row this month' returns the cross-system flow. SIEM integration via Syslog/CEF feeds Splunk, Sentinel, Chronicle. The audit trail is statutory-grade — SOX walk-throughs, HGB §317 testing, BaFin §44 examinations all reference the integration log as primary evidence.
In a phased migration scenario, sap ecc oracle fusion integration starts heavy (everything still flowing between ECC and Fusion) and tapers as each ECC pillar retires. Typical sunset: month 1 of coexistence — full bidirectional flow, all master-data and transactional. Month 12 — ECC SD retired, Fusion now source-of-truth for OM and AR, integration becomes one-way ECC MM → Fusion only. Month 18 — ECC MM retired, integration becomes ECC HR only (if HCM cut later). Month 24 — ECC HR retired, ECC moves to read-only archive, integration sunsets entirely. The platform supports tapered sunset by domain — when a pillar cuts to Fusion-only, the corresponding integration flow is disabled with two-person approval and the cutover evidence binder is updated. No orphan flows. No silent integration-pipe leaks.
30-minute discovery call. We'll scope your coexistence scenario (phased migration, indefinite hybrid, or M&A), the integration domains you need, your PI/PO + CPI investment, and produce a hybrid integration architecture sized for your reality.