Plan for business continuity

There may be a situation when the entire region where your data center is located goes down due to massive power grid outages, earthquakes, floods, or a security attack but your global business should continue running. In such situations, you must have a disaster recovery plan in which you will plan your business continuity by preparing sufficient IT resources in an entirely different region, perhaps even in different continents or countries, so that your business can get back up and running quickly or experience no downtime at all.

When planning disaster recovery, a solutions architect must understand an organization’s Recovery Time Objective (RTO) and Recovery Point Objective (RPO). RTO measures how much downtime a business can sustain without significant impact; RPO indicates how much data loss a business can tolerate. Reducing RTO and RPO means incurring higher costs, so it is essential to understand whether the business is mission-critical...