About This Architecture

S1 Smartdoce One is a highly available procurement platform spanning two AWS availability zones with WAF and CloudFront CDN protecting AngularJS frontends and Spring Boot backends across public subnets. The architecture routes traffic through Application Load Balancers to EC2 instances running frontend, backend, SAP API, and external connector services, while ECS containers handle RFX-AI, MFA, cron jobs, and OCR pipelines. Data layer includes DocumentDB primary-replica pairs, OpenSearch vector databases, S3 document storage, Redis session caching, and SQS queues for asynchronous invoice processing, all monitored via CloudWatch. This multi-AZ design with separated app and data subnets demonstrates enterprise-grade resilience, security, and scalability for vendor and company user interactions with SAP ERP and external systems like Informatica and LawTrack. Fork and customize this diagram on Diagrams.so to adapt the procurement workflow, add additional microservices, or modify the VPC topology for your organization.

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How do you design a highly available multi-AZ procurement platform on AWS with microservices, document processing, and SAP integration?

S1 Smartdoce One demonstrates a resilient procurement architecture spanning two AWS availability zones with CloudFront and ALB for traffic distribution, Spring Boot backends and ECS containers for microservices (RFX-AI, MFA, OCR), DocumentDB for primary-replica data consistency, OpenSearch for vector search, and SQS for asynchronous invoice processing. This design ensures fault tolerance, security