AWS Architecture Blog
Author: Kris Severijns
Kris Severijns is a senior Solutions Architect in the Financial Services team at AWS. He has been working for 20 years with large financial institutions around the world in consulting and solution architecture roles and 15 years architecting highly available critical systems.
How CommBank made their CommSec trading platform highly available and operationally resilient
In this post, we explore how CommSec, Australia’s leading online broker, transitioned from a multicloud environment to AWS as their sole cloud provider while implementing Amazon Application Recovery Controller (ARC) zonal shift to maintain high availability and operational resilience. The consolidation resulted in significant benefits including 25% base capacity reduction, two times faster deployments, and improved failover capabilities through ARC zonal shift, enabling CommSec to continue serving millions of customers while meeting strict regulatory requirements.