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Metrics are used in nearly every business process, including disaster preparedness and any business continuity plan (BCP) you might have at the ready. Businesses who are looking to ensure that their company will make it through any disaster successfully need to have an effective BCP with metrics like RTO and RPO in place.
While both RTO and RPO are important elements of continuity plans, and they both sound fairly similar, they are actually quite different. In this article we define RTO and RPO and take a look at what the difference is between the two concepts.
RTO, or Recovery Time Objective, is the target time you set for the recovery of your IT and business activities after a disaster has struck. The goal here is to calculate how quickly you need to recover, which can then dictate the type or preparations you need to implement and the overall budget you should assign to business continuity.
If, for example, you find that your RTO is five hours, meaning your business can survive with systems down for this amount of time, then you will need to ensure a high level of preparation and a higher budget to ensure that systems can be recovered quickly. On the other hand, if the RTO is two weeks, then you can probably budget less and invest in less advanced solutions.
RPO, or Recovery Point Objective, is focused on data and your company’s loss tolerance in relation to your data. RPO is determined by looking at the time between data backups and the amount of data that could be lost in between backups.
As part of business continuity planning, you need to figure out how long you can afford to operate without that data before the business suffers. A good example of setting an RPO is to imaging that you are writing an important, yet lengthy, report. Think to yourself that eventually your computer will crash and the content written after your last save will be lost. How much time can you tolerate having to try to recover, or rewrite that missing content?
That time becomes your RPO, and should become the indicator of how often you back your data up, or in this case save your work. If you find that your business can survive three to four days in between backups, then the RPO would be three days (the shortest time between backups).
The major difference between these two metrics is their purpose. The RTO is usually large scale, and looks at your whole business and systems involved. RPO focuses just on data and your company’s overall resilience to the loss of it.
While they may be different, you should consider both metrics when looking to develop an effective BCP. If you are looking to improve or even set your RTO and RPO, contact us today to see how our business continuity systems and solutions can help.
Published on 15th May 2014 by Jeanne DeWitt.