Core API Gateway & Multi-ERP Synchronization Engine
High-throughput event-driven API Gateway architecture synchronizing inventory and orders across 14 fragmented legacy ERP instances in real time.
Complexity & Initial Bottlenecks
A national supply chain enterprise faced severe data fragmentation where legacy Warehouse Management Systems (WMS) could not propagate real-time inventory updates to e-commerce channels, causing a 14% overselling rate during peak flash sales.
Architecture & Technical Implementation
VEINTECH engineered a centralized API Gateway layer decoupled by distributed event streams (Apache Kafka) with idempotent retry boundaries. Transactions are guaranteed exactly-once processing with zero race conditions.
Business Impact & Performance ROI
Overselling incidents dropped to 0%. Transaction throughput scaled from 350 req/sec to over 12,000 req/sec while maintaining sub-14ms average sync latency.
System Execution & Processing Pipeline
API Gateway Ingress
Incoming requests are validated via mTLS and rate-limited at the ingress proxy.
Event Partitioning
Orders are partitioned by warehouse ID in Kafka to preserve strict transactional ordering.
Idempotent Processing
Golang consumer workers verify deduplication tokens to prevent double processing.
Distributed Cache Sync
Stock states are instantly refreshed in Redis before asynchronous persistence to legacy ERPs.
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