For today’s CIO, the multi-cloud landscape, extending across hyperscalers, enterprise platforms, and AI-native cloud providers, is a non-negotiable strategy for business resilience and innovation velocity. Yet, this very flexibility can become a liability, often leading to fragmented automation, vendor sprawl, and costly data silos. The next frontier in cloud optimization isn’t better scripting—it’s Agentic AI systems.

These autonomous, goal-driven systems, deployed as coordinated multi-agent ecosystems, act as an enterprise’s “MAESTRO.” They don’t just follow instructions; they observe, plan, and execute tasks across cloud boundaries in real-time, effectively transforming vendor sprawl from a complexity tax into a strategic asset.

The architecture of cross-cloud agent interoperability

The core challenge in a multi-cloud environment is not the platforms themselves, but the lack of seamless interoperability between the automation layers running on them. The MAESTRO architecture (referencing the Cloud Security Alliance’s MAESTRO agentic AI threat modeling framework; MAESTRO stands for multi-agent environment, security, threat, risk and outcome) solves this by standardizing the language and deployment of these autonomous agents:

1. The open standards bridge: A2A protocol

For agents to coordinate effectively—to enable a FinOps agent on one cloud to negotiate compute resources with an AIOps agent on another cloud—they must speak a common, vendor-agnostic language. This is where the emerging Agent2Agent (A2A) protocol becomes crucial.

The A2A protocol is an open, universal standard that enables intelligent agents, regardless of vendor or underlying model, to discover, communicate, and collaborate. It provides the technical foundation for:

• Dynamic capability discovery: Agents can publish their identity and skills, allowing others to discover and connect without hard-coded integrations.
• Context sharing: Secure exchange of context, intent, and status, enabling long-running, multi-step workflows like cross-cloud workload migration or coordinated threat response.

To fully appreciate the power of the Maestro architecture, consider a critical cross-cloud workflow: strategic capacity arbitrage and failover. A FinOps agent on a general-purpose cloud is continuously monitoring an AI inference workload’s service level objectives(SLOs) and cost-per-inference. When a sudden regional outage is detected by an AIOps agent on the same cloud, the AIOps agent broadcasts a high-priority “capacity sourcing” intent using the A2A protocol. The Maestro orchestrates an immediate response, allowing the FinOps agent to automatically negotiate and provision the required GPU capacity with a specialized neocloud agent. Simultaneously, a security agent ensures the new data pipeline adheres to the required data sovereignty rules before the workload migration agent seamlessly shifts the portable Kubernetes container to the new, available capacity, all in under a minute to maintain continuous model performance. This complex, real-time coordination is impossible without the standardized language and interoperability provided by the A2A protocol and the Kubernetes-native deployment foundation.

2. The deployment foundation: Kubernetes-native frameworks

To ensure agents can be deployed, scaled, and managed consistently across clouds, we must leverage a Kubernetes-native approach. Kubernetes is already the de facto orchestration layer for enterprise cloud-native applications. New Kubernetes-native agent frameworks, like kagent, are emerging to extend this capability directly to multi-agent systems.

This approach allows the Maestro to:

• Zero-downtime agent portability: Package agents as standard containers, making it trivial to move a high-value security agent from one cloud to another for resilience or cost arbitrage.
• Observability and auditability: Leverage Kubernetes’ built-in tools for monitoring, logging, and security to gain visibility into the agent’s actions and decision-making process, a non-negotiable requirement for autonomous systems.

Strategic value: Resilience and zero lock-in

The Maestro architecture fundamentally shifts the economics and risk profile of a multi-cloud strategy.

• Reduces vendor lock-in: By enforcing open standards like A2A, the enterprise retains control over its core AI logic and data models. The Maestro’s FinOps agents are now capable of dynamic cost and performance arbitrage across a more diverse compute landscape that includes specialized providers. Neoclouds are purpose-built for AI, offering GPU-as-a-Service (GPUaaS) and unique performance advantages for training and inference. By packaging AI workloads as portable Kubernetes containers, the Maestro can seamlessly shift them to the most performant or cost-effective platform—whether it’s an enterprise cloud for regulated workloads, or a specialized AI-native cloud for massive, high-throughput training. As BCG emphasizes, managing the evolving dynamics of digital platform lock-in requires disciplined sourcing and modular, loosely coupled architectures. The agent architecture makes it dramatically easier to port or coordinate high-value AI services, providing true strategic flexibility.

• Enhances business resilience (AIOps): AIOps agents, orchestrated by the Maestro, can perform dynamic failover, automatically redirecting traffic or data pipelines between regions or providers during an outage. Furthermore, the Maestro can orchestrate strategic capacity sourcing, instantly rerouting critical AI inference workloads to available, high-performance GPU capacity offered by specialized neoclouds to ensure continuous model performance during a regional outage on a general-purpose cloud. They can also ensure compliance by dynamically placing data or compute in the “greenest” (most energy-efficient) cloud or the required sovereign region to meet data sovereignty rules.

The future trajectory

The shift to the Maestro architecture represents more than just a technological upgrade; it signals the true democratization of the multi-cloud ecosystem. By leveraging open standards like A2A, the enterprise is moving away from monolithic vendor platforms and toward a vibrant, decentralized marketplace of agentic services. In this future state, enterprises will gain access to specialized, hyper-optimized capabilities from a wide array of providers, treating every compute, data, or AI service as a modular, plug-and-play component. This level of strategic flexibility fundamentally alters the competitive landscape, transforming the IT organization from a consumer of platform-centric services to a strategic orchestrator of autonomous, best-of-breed intelligence. This approach delivers the “strategic freedom from vendor lock-in” necessary to continuously adapt to market changes and accelerate innovation velocity, effectively turning multi-cloud complexity into a decisive competitive advantage.

Governance: Managing the autonomous agent sprawl

The power of autonomous agents comes with the risk of “misaligned autonomy”—agents doing what they were optimized to do, but without the constraints and guardrails the enterprise forgot to encode. Success requires a robust governance framework to manage the burgeoning population of agents.

• Human-in-the-loop (HITL) for critical decisions: While agents execute most tasks autonomously, the architecture must enforce clear human intervention points for high-risk decisions, such as a major cost optimization that impacts a business-critical service or an automated incident response that involves deleting a core data store. Gartner emphasizes the importance of transparency, clear audit trails, and the ability for humans to intervene or override agent behavior. In fact, Gartner predicts that by 2028, loss of control—where AI agents pursue misaligned goals—will be the top concern for 40% of Fortune 1000 companies.
• The 4 pillars of agent governance: A strong framework must cover the full agent lifecycle:

By embracing this Maestro architecture, CIOs can transform their multi-cloud complexity into a competitive advantage, achieving unprecedented levels of resilience, cost optimization, and, most importantly, strategic freedom from vendor lock-in.

This article is published as part of the Foundry Expert Contributor Network.Want to join?

© Foundry