ING’s Monolith-to-Microservices with Kong Gateway

How ING architected a hybrid control/data plane, enabled self-service with decK, and enforced governance to retire a legacy monolith.

ING shares how they retired a legacy monolith by standing up “the arch,” an API gateway powered by Kong Gateway. Learn how a hybrid control/data plane, self-service via decK, and guardrails-based governance enabled scale without sacrificing reliability.

What you’ll learn:

- Hybrid control plane (Azure) + on‑prem data planes to eliminate circular dependencies

- Self-service onboarding: decK-powered GitOps pipelines and isolated workspaces

- Separation of concerns: platform-managed security/observability, team-owned APIs

- Governance with boundaries: policies, rate limiting, and authentication standards

- Cultural shift: segmenting teams by maturity and enabling early adopters