Sangfor aSV

The Foundational Hypervisor for Cloud-Era Infrastructure

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Sangfor aSV Hypervisor

Sangfor aSV is a next-generation hypervisor purpose-built for modern IT infrastructure. As the core virtualization engine powering Sangfor HCI, VDI, and Sangfor Cloud, aSV delivers a secure, high-performance, and reliable foundation for compute virtualization. Sangfor aSV supports mission-critical workloads with enterprise-grade virtualization and seamless integration across Sangfor’s full-stack cloud ecosystem—making it a strong choice for modern IT infrastructure.

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Sangfor aSV Architecture Overview

Architecture Overview

Sangfor aSV is built on a type-1 bare-metal virtualization architecture using KVM as its core engine. It runs directly on physical servers without requiring a host OS, ensuring minimal overhead and maximum performance. Key architectural highlights include:

  • Kernel-level virtualization with enhanced security hardening
  • Decoupled and containerized services for modular upgrades and hot patching
  • Support for x86
  • Integrated with Sangfor’s SFFS clustered file system for high-performance shared storage

This architecture enables aSV to deliver consistent, scalable, and resilient virtualization services across diverse deployment scenarios.

Advanced Features & Value Propositions

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Reliability

  • Proactive HA 2.0: Predicts and mitigates failures before they occur
  • Live Migration: Seamless VM migration with <3s performance impact
  • AI-Optimized DRS: Intelligent resource scheduling based on predictive analytics
  • Sub-health Detection for External Storage: Kernel-level I/O latency monitoring and automated path isolation
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Security

  • Intelligent Micro-Segmentation: VM-level east-west traffic control with policy auto-generation
  • Integrated Cloud Security Center (aSEC): Built-in WAF, IPS, baseline checks, and vulnerability management
  • NFV Integration: Rich set of virtualized security appliances including NGAF, SSL VPN, and IAG
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Performance

  • NUMA Optimization: Enhanced CPU scheduling for large-core VMs
  • SR-IOV & RDMA: Low-latency, high-throughput networking
  • Intelligent VM Placement: AI-driven placement for performance and density
  • QoS Control: Fine-grained CPU, memory, and I/O resource guarantees
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Operational Simplicity

  • Visualized Management: Unified web UI for compute, storage, and network
  • VMware-Compatible CLI: Over 230 PowerCLI-equivalent commands for automation and scripting
  • SkyOps Integration: Real-time monitoring, diagnostics, and intelligent O&M
  • VMware-like User Experience: Familiar workflows for VM creation, migration, and management

Sangfor aSV Use Cases

Physical Server Consolidation

aSV enables organizations to virtualize legacy physical servers, improving resource utilization, reducing hardware footprint, and enhancing business continuity through HA and backup.

VMware vSphere Replacement

In the wake of Broadcom’s acquisition of VMware and the resulting licensing and support changes, Sangfor aSV emerges as a stable, cost-effective alternative. It offers 94.8% feature parity with vSphere and supports Veeam agentless backup* (coming Q1 2026), making it ideal for customers seeking a smooth transition.

SDDC & Cloud Transformation

As the core of Sangfor HCI and MCS, aSV provides a seamless path from virtualization to full-stack private cloud. It supports container workloads, database clusters, and hybrid cloud integration, enabling enterprises to modernize their IT infrastructure with confidence.

Reuse of External Storage Resources

Sangfor aSV helps organizations maximize existing storage value by integrating external storage as primary or backup. With native support for iSCSI, FC and NFS, it enables HA and live migration. Optimizations like sub-health detection and shared disk support ensure stability, while VM disks can span multiple storage systems to meet diverse workload needs.