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25 posts tagged with "Architecture"

Architecture patterns and design decisions

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MuleSoft Anypoint Migration to Open-Source Gateways

· 8 min read
STOA Team
The STOA Platform Team

MuleSoft migrations are most effective when you separate the API gateway layer from integration flows. Move Experience APIs (routing, auth, rate limiting) to open-source gateways while keeping Anypoint for DataWeave transformations and complex connectors.

MuleSoft Anypoint has become one of the most widely deployed integration platforms in enterprise IT. Since Salesforce's acquisition in 2018, the platform has deepened its ties to the Salesforce ecosystem while organizations face evolving requirements around AI agent support, European data sovereignty, and infrastructure cost management.

This guide provides a practical assessment of when MuleSoft migration makes sense, what the challenges are, and how to approach it without disrupting existing integrations.

Multi-Tenant API Gateway on Kubernetes: Lessons Learned

· 10 min read
STOA Team
The STOA Platform Team

Building a multi-tenant API gateway is one of the hardest infrastructure challenges in platform engineering. You need strong isolation between tenants, shared infrastructure for efficiency, and the ability to scale without multiplying operational complexity. After years of building multi-tenant API platforms — and applying those lessons to STOA on Kubernetes — here is what we learned.

This article is part of the Open-Source API Gateway 2026 series, covering architectural patterns for modern API infrastructure.

DORA & NIS2 API Gateway Compliance: Requirements Checklist

· 8 min read
STOA Team
The STOA Platform Team

The European regulatory landscape has shifted dramatically for organizations managing digital infrastructure. DORA NIS2 compliance is no longer a future concern — it is an immediate operational requirement for any organization operating API gateways in financial services, healthcare, energy, or critical infrastructure sectors across the EU.

The ESB Is Dead: From Service Buses to AI Gateways

· 9 min read
STOA Team
The STOA Platform Team

Let us say what many enterprise architects are thinking but few vendors will admit: the ESB is dead. The enterprise service bus — that monolithic integration middleware that defined the SOA era — has been in decline for a decade. What killed it was not a single technology but a series of architectural shifts: microservices, API gateways, event-driven architectures, and now the Model Context Protocol (MCP). Each shift made the ESB less relevant. MCP may be the final blow.

What Is an MCP Gateway? The Security Layer AI Agents Need

· 9 min read
STOA Team
The STOA Platform Team

As AI agents move from demos to production, enterprises face a critical question: how do you give an LLM secure, governed access to your internal tools and data? The answer is an MCP gateway — a new category of infrastructure that sits between AI agents and the services they consume, enforcing security, observability, and policy at every interaction.