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Unlocking the Secrets of Uninterrupted IT Operations: Demystifying High Availability and Disaster Recovery

Zerto

In the challenging landscape of keeping your IT operations online all the time, understanding the contrasting methodologies of high availability (HA) and disaster recovery (DR) is paramount. What Is High Availability? While this architecture can ensure that the application is always online, it comes at a cost.

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How an insurance company implements disaster recovery of 3-tier applications

AWS Disaster Recovery

A good strategy for resilience will include operating with high availability and planning for business continuity. AWS recommends a multi-AZ strategy for high availability and a multi-Region strategy for disaster recovery. Failover Our customer decided to test the Pilot Light scenario.

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Implementing Multi-Region Disaster Recovery Using Event-Driven Architecture

AWS Disaster Recovery

In this blog post, we share a reference architecture that uses a multi-Region active/passive strategy to implement a hot standby strategy for disaster recovery (DR). This makes your infrastructure more resilient and highly available and allows business continuity with minimal impact on production workloads. This keeps RTO and RPO low.

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Using Route 53 Private Hosted Zones for Cross-account Multi-region Architectures

AWS Disaster Recovery

Route 53 Private Hosted Zones (PHZs) and Resolver endpoints on AWS create an architecture best practice for centralized DNS in hybrid cloud environment. This blog presents an architecture that provides a unified view of the DNS while allowing different AWS accounts to manage subdomains. Architecture Overview.

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Disaster Recovery (DR) Architecture on AWS, Part IV: Multi-site Active/Active

AWS Disaster Recovery

The architecture in Figure 2 shows you how to use AWS Regions as your active sites, creating a multi-Region active/active architecture. Each Region hosts a highly available, multi- Availability Zone (AZ) workload stack. I use Amazon DynamoDB for the example architecture in Figure 2. DR strategies.

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IT Resilience Within AWS Cloud, Part II: Architecture and Patterns

AWS Disaster Recovery

In Part II, we’ll provide technical considerations related to architecture and patterns for resilience in AWS Cloud. Considerations on architecture and patterns. Resilience is an overarching concern that is highly tied to other architecture attributes. Let’s evaluate architectural patterns that enable this capability.

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Considerations for Disaster Recovery – Part 2: Compute

Zerto

Being able to choose between different compute architectures, such as Intel and AMD, is essential for maintaining flexibility in your DR strategy. Invest in Reliability : Opt for compute resources that offer high availability and redundancy to minimize the risk of downtime during a disaster.