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Payment Service ProvidersMerchant Payment SystemsGeneral architecture of a Payment SystemKnow-hows:Payment queues with MSSQL BrokerAdapter PolymorphismTracing in Service Oriented World Dynamic configuration editor with ASP.Net MVC
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ARCHITECTURE OF PAYMENT SYSTEMSPetr Afanasiev
Software engineer
Betsson Technologies
RELEVANCE
Internet business is developing More & more products are being sold online More & more services are build on top of
payments
PLAN
Problems & Solutions
Tracing in Service Oriented World Dynamic configuration editor with Asp.Net MVC
General architecture of Betsson Payments
Merchant Payment Systems
Payment Service Providers
Payment Systems
PAYMENT SERVICE PROVIDERS
PAYMENT SERVICE PROVIDERS
Actual bank
Processing
Multiple Banks
Multiple Countries
PSP
Credit Card
eWallet Bank Transfer
Vouchers
The fastest Most used Most
secure*
Supports only some banks
Difficult withdrawals
Security standards
No limits! The
slowest Requires
manual work
May seem more trustworthy
High integration cost
Low popularity
Lot’s of fun for marketing
Local market
No withdrawals
PAYMENT SYSTEMConsolidate PSPs into 1
module
Different payment options by country
Fraud Protection
Monitoring & Reporting
Custom business flows
High Acceptance
Rate
ACCEPTANCE RATE
Bin serie
PSP1
432156 432157 432158 432159 … 432299
PSP2
473485 473486 473487 473488 … 473799
Payment Systems know which PSP to use with which Credit Card
PROVIDER CHAINS
PSP1
PSP2
PSP3
PSP2
PSP3
PSP5
4321 5678 9012 1234
Chain1 Chain2
If one provider failed to process a card – it’s passed to the next provider in chain
It get’s even better ;)
DEVELOPER OVERVIEW OF BETSSON PAYMENTS ARCHITECTURE
Scalability Provider
encapsulation Provider
Configuration Tracing
SIMPLIFIED FLOW
DYNAMIC CONFIGURATION EDITOR WITH ASP.NET MVC
The Problem: Hard to maintain config file 8000 lines of config code Each adapter defines it’s own config section Continuous problems with merging,
synchronization, human error
DYNAMIC CONFIGURATION EDITOR WITH ASP.NET MVC
Easily editable Validated (schema and content) Saved to database Passed over network
DYNAMIC CONFIGURATION EDITOR WITH ASP.NET MVC
DYNAMIC CONFIGURATION EDITOR WITH ASP.NET MVC
DYNAMIC CONFIGURATION EDITOR WITH ASP.NET MVC
TRACING IN SERVICE ORIENTED ARCHITECTURE
TRACING IN SERVICE ORIENTED ARCHITECTURE
How to trace payment request flow across service domain?
PaymentID ? SessionID ?
ActivityID!
TRACING IN SERVICE ORIENTED ARCHITECTURE
TRACING IN SERVICE ORIENTED ARCHITECTURE
TRACING IN SERVICE ORIENTED ARCHITECTURE
