Alibaba Cloud Developer Tools

Application High Availability Service (AHAS)

AHAS is Alibaba Cloud’s dedicated toolkit for keeping applications online and stable. It handles the heavy lifting of traffic management, circuit breaking, and flow control to prevent cascading failures during spikes or outages. Instead of building these resilience patterns from scratch, you configure them directly within your existing infrastructure to ensure services remain responsive under pressure.

This setup suits teams already operating on Alibaba Cloud who need enterprise-grade reliability without managing third-party integrations. The main friction point is the lack of a free tier. Since it operates strictly on a pay-as-you-go model, you must budget for every usage instance from day one, making it less appealing for small projects or developers testing availability strategies on a tight budget.

Product page Docs
  • Free tier No
  • Pricing Pay as you go
  • Regions 8 · 4 continents
  • SLA uptime 99.99%
  • Compliance 10 certifications
  • Provider health A

Decision score

38 /100
Features 20
Pricing 0
Reliability 100
Community 0
Ecosystem 86

Computed from catalog breadth, pricing, provider reliability (uptime & SLA), community signal, and ecosystem (compliance & regions). Weighted equally.

Trust & reach via Alibaba Cloud

Compliance
  • C5
  • CSA STAR
  • FedRAMP
  • GDPR
  • HIPAA
  • ISO 27001
  • ISO 27017
  • ISO 27018
  • ISO 9001
  • PCI DSS
  • SOC 1 Type II
  • SOC 2 Type II
+1 more
SLA uptime
  • compute99.95%
  • database99.95%
  • networking99.95%
  • storage99.99%
Global reach

8 regions across 4 continents

  • Asia
  • Europe
  • North America
  • Oceania

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