Patterns for Scalability and Availability in Trading Systems

This talk examines architectural approaches for trading systems that need to process large volumes of business events and transactions while maintaining availability, throughput, and low latency. It covers patterns such as asynchronous transaction registration, eventual consistency, and graceful failure.

Syllabus

Intro
About Saxo Bank
Business model
Asset types
Service requirements
Business challenges
Critical business flows
Exponential business growth
Reactive systems
Technical environment
Architecture
Patterns
The humble beginnings
Synchronous transaction registrations
Casual eventual consistency
Transport latency
Scalability resilient
Race conditions
Asynchronous transaction registration
Fail theory
Commercial products
Price updates
Graceful failure
Traditional mirroring
Use cases
Culture
Incident management
Realtime reactive
Learning points
Be careful
Questions
Best days