Resilience: HA, DR & Service Levels for SAP

How are RPO and RTO typically tiered across SAP systems?

When is a single-region resiliency pattern chosen for SAP, and what's its big advantage?

What is the difference between an AWS service SLA and an MSP SLA for SAP?

What is Maximum Tolerable Downtime (MTD) and how does it relate to RTO?

How do you reliably identify the same Availability Zone across different AWS accounts?

How does a data-bunker pattern strengthen SAP backup resilience against ransomware?

Why shouldn't you treat an AWS SLA credit as protection against business loss?

What are the single points of failure in an SAP system that you must protect on AWS?

Even with a multi-region DR design, what is the recommendation for HA?

What is the Recovery Consistency Objective (RCO) in SAP DR?

What is the relationship between 'reliability' and 'resilience'?

What network latency does synchronous SAP database replication require, and how do you verify it on AWS?

What does the EC2 region-level SLA of 99.99% actually mean?

What two questions drive the single-region vs multi-region decision for SAP?

Roughly how much monthly downtime do 99.5%, 99.95%, and 99.99% SLAs allow?

What availability SLAs do the core AWS services for SAP provide (multi-AZ vs single-AZ)?

What built-in fault-tolerant capabilities do SAP systems have?

What is a business-uptime (application) SLA, and why is it separate from AWS infrastructure SLAs?

What are the four single-region HA/DR resiliency patterns for SAP?

What is the difference between fault tolerance and high availability (HA)?

How are SAP single points of failure protected on AWS (shared storage and load balancers specifically)?

What is a composite SLA, and how does it behave as you add components?

How do AWS transit centers contribute to high availability across Availability Zones?

What are the multi-region DR patterns for SAP, from cheapest to most resilient?

When is a multi-region pattern needed for SAP, and what replication/RPO does it imply?