One-Click Multi-Tenant Security with  NVIDIA Quantum InfiniBand

2026-06-11 · Source: NVIDIA Technical Blog · Field: Technology & Digital — Cybersecurity & Data Privacy, Cloud Computing & IT Infrastructure · Depth: Intermediate, medium

Summary

NVIDIA Quantum InfiniBand now features intent-based security profiles within Unified Fabric Manager (UFM), enabling one-click multi-tenant fabric security. These profiles, including General, Bare Metal Cloud, and Secured Bare Metal Cloud, automate configuration for Partition Key (PKey) isolation, Management Datagram (MAD) key protection, GUID-based access control, and continuous validation. This innovation reduces deployment time from hours or days to minutes, allowing cloud providers to implement hardware-enforced tenant isolation across tens of thousands of GPUs without manual Subnet Manager (SM) configuration. The system centralizes control in UFM to enforce global policies and proactively secure the fabric, addressing the critical need for scalable and easy-to-deploy security in rapidly growing AI, HPC, and hyperscale cloud environments. The Secured Bare Metal Cloud profile further enhances protection with full MAD key protection, GUID-based access control, and DoS/DDoS protection.

Key takeaway

For AI Architects or MLOps Engineers deploying multi-tenant GPU clusters, NVIDIA Quantum InfiniBand's one-click security profiles significantly streamline fabric isolation. You can reduce configuration time from days to minutes, ensuring robust hardware-enforced separation for sensitive data and distributed workloads. Implement the Secured Bare Metal Cloud profile for enhanced protection, and utilize Continuous Security Verification to proactively monitor and remediate vulnerabilities, securing your large-scale AI infrastructure efficiently.

Key insights

NVIDIA Quantum InfiniBand's intent-based security profiles simplify multi-tenant fabric security deployment and management.

Principles

• Centralized fabric control enhances security and consistency.
• Hardware-enforced isolation prevents tenant circumvention.
• Intent-based profiles reduce configuration errors.

Method

Select a predefined intent-based security profile in UFM to automatically configure underlying security settings for InfiniBand fabrics.

In practice

• Use Bare Metal Cloud profile for multi-tenant cloud isolation.
• Apply Secured Bare Metal Cloud for hardened, highly secure environments.
• Leverage Continuous Security Verification for health scores and remediation.

Topics

• NVIDIA Quantum InfiniBand
• Multi-tenant Security
• Intent-based Profiles
• Unified Fabric Manager
• Hardware Isolation
• AI Infrastructure Security
• Continuous Security Verification

Best for: CTO, VP of Engineering/Data, Director of AI/ML, IT Professional, AI Architect, MLOps Engineer

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Editorial summary, takeaway, and curation by AIssential. Original article published by NVIDIA Technical Blog.