I have been involved in re-architecture projects of two payment systems. I have put down some of my thoughts here. Payment CategoriesFront End Channels- Mobile
- Customer e-com portal
- Web Site (3D Secure/Payment Capture)
- Social Channel like Facebook/Google+ using XMPP integration
- Secured Web Services (for e-commerce sites).
- Retail Point of Sale
- ATM networks
Back End Channels- SWIFT
- ACH (Automated Clearing House)
- Payment Networks (Master/Visa/Amex)
- Direct Bank Integration
- Mobile Wallet Integration (ONUS/OFFUS)
Functional Modules- High Velocity Payment Switch
- Accounting & Recon HubÂ
- Payment Hub
- Fraud Management (Online, Offline)
- Compliance (KYC, AML/CFT)
- Audit & Control
- B2B Partner Management
- Service Governance & Business Rules & Policy Management
- Exceptions & Business Process Management
| 