VMware Cloud Foundation (VCF) 9.0 brings a redesigned architecture that changes how private cloud infrastructure is structured and managed. Whether you're coming from earlier VCF versions or looking at the platform for the first time, this guide breaks down what’s new and how it works in practice.
At a high level, VCF 9.0 is a hierarchical system that scales from a single site to globally distributed infrastructure. Here’s how it’s organized and how each layer fits into day-to-day operations.
Three-Layer Hierarchy of VCF 9.0
VCF 9.0 structures infrastructure into three layers, each serving a clear purpose:
Layer 1: Private Cloud (Top-Level)
This is the entire footprint of your private cloud environment. It encapsulates everything…your regions, Fleets, and Instances. You can think of it as the top-level container where policy and strategy decisions start.
Layer 2: Fleet (Mid-Level)
A Fleet is a logical grouping of infrastructure that shares centralized services. Each Fleet includes:
-
VCF Operations– the primary interface for managing and monitoring infrastructure
-
VCF Automation– a self-service portal
Fleets can span multiple locations, which makes them useful for large or distributed environments.
Layer 3: Instance (Foundational)
An Instance is where workloads run. Each includes:
-
A Management Domain for infrastructure services
-
One or more Workload Domains for running applications
Component Breakdown
Management Domain
Every VCF Instance includes a Management Domain that runs the core infrastructure software:
-
vCenter Server– central vSphere management
-
NSX Manager– software-defined networking
-
SDDC Manager– lifecycle and configuration automation
-
vSAN– shared storage for the cluster
The Management Domain doesn’t host workloads—it’s there to run the services that keep everything else functioning.
Workload Domains
This is where actual applications run. Each Workload Domain is isolated, allowing for:
- Dedicated compute/networking
- Independent lifecycle management
- Tenant or environment separation (e.g., prod, dev, AI/ML)
Centralized Management in VCF 9
VCF Operations: Unified Interface
VCF 9.0 consolidates the management experience under VCF Operations. This removes the need to bounce between tools and provides a full view of your environment, including:
- Monitoring (infra health, alerts)
- Lifecycle management (patches, upgrades)
- Security and compliance
- Capacity and resource planning
The UI is broken into practical sections:
-
Launchpad– common tasks
-
Inventory– infrastructure breakdown
-
Operations– hands-on tools
-
Fleet Management– for cross-instance administration
Update Management
VCF 9 splits updates into two layers:
Fleet-Level (via VCF Operations):
- Identity Broker
- Automation platform
- Operations interface
Instance-Level (via SDDC Manager):
- ESXi hosts
- vCenter
- NSX
This separation allows teams to update management components without impacting workloads.
Cloud-Style Networking with VPCs
VCF 9 introduces Virtual Private Clouds (VPCs), which simplify networking inside the platform:
- Self-service networks: Create isolated networks quickly
- Transit Gateways: Handle routing between VPCs
- Multi-tenant support: Teams can manage their own networks
VPCs integrate into vCenter, so vSphere admins don’t need to learn NSX to use them.
Security and Identity Enhancements
VCF Identity Broker
Identity Broker simplifies authentication across the stack. It supports modern protocols (SAML, OIDC) and applies settings globally at the Fleet level—except for ESXi and SDDC Manager, which still require separate configs.
Automated Certificate Management
- Auto-renewal starts 60 days before expiry
- Multiple CA support
- Centralized via VCF Operations
- Visibility and alerts for expired/misaligned certs
Deployment Options
Greenfield (New Install)
- Use the VCF Installer (replaces Cloud Builder)
- Define network/config inputs
- Provision management domain and infrastructure
- Add Workload Domains as needed
Convergence (Existing Infra)
- Upgrade your vSphere components to v9.0
- Deploy the VCF Installer
- Run the convergence wizard
- Your existing environment becomes a VCF-managed Instance
Daily Operations
Monitoring
Dashboards provide:
- Color-coded health
- Real-time + historical metrics
- Capacity forecasting
- Centralized alerting
Security Ops
- Password management and rotation
- Baseline compliance checks
- Audit trail logging
- Drift detection and remediation
Scaling the Environment
The hierarchy scales cleanly:
- Single site: One Fleet, one Instance
- Multi-site: One Fleet managing multiple Instances
- Global scale: Multiple Fleets, each managing regional Instances
Each layer scales independently, which gives flexibility for multi-region design or tenant-based separation.
VCF 5.x and 9.0 Component Comparison Reference
Conclusion
VCF 9.0 brings a more modular structure to private cloud environments, introducing a hierarchy that makes it easier to organize and operate infrastructure at scale. The new Operations interface consolidates day-to-day management, while features like VPC networking, automated certificate handling, and convergence workflows help reduce overhead.
Whether you're deploying new infrastructure or looking to bring existing environments under consistent management, VCF 9.0 provides the tools to simplify operations without adding complexity.
