Tag Archives: Cloud Disaster Recovery

disaster recovery

Reasons to Get an AWS Cross Region Disaster Recovery Plan

All businesses need a disaster recovery plan to ensure that data can be restored in times of a disaster. But when it comes to planning a strategy for Disaster Recovery, there can be no one single approach which will work for all businesses. Regardless of the numbers of variables which are actually part of creating any DR plan for a business, the truth is that every business will definitely benefit when there is an AWS cross region DR plan which guarantee geographical diversity.

Why is AWS cross region DR plan necessary?

– Businesses need DR plans as these are critical for maximizing up time. For those organizations which have a physical infrastructure for computing, DR is integral to their business continuity plans. This means that resources have to be replicated in an alternate site which is kept up and running and which has an updated replica of the total application stack. In clouds you can deploy a Disaster Recovery plan without involving capital expenses which are needed for the traditional business continuity plans. And, it is here that Amazon offers the requisite building blocks for setting up such a DR plan. While there may be many ways in which you can guarantee service availability, the strongest is the cross region replica of the application stack. In other words, this guarantees that even if the whole AWS region gets affected by any downtime instance, it will be possible to guarantee failover to the alternate region.

DR services– However, in order to deploy this Amazon Cloud Services cross region DR strategy you will need to select the finest AWS tools. The main reason for having a DR plan is to create backups of the business data. This means you need to know which data to back up and how frequently this must be backed up. Another rather pertinent question which you must ask is where to store this data backup. The idea behind DR strategies is to ensure that the business can continue to function even if there is a natural calamity or a man-made disaster. When you store business critical data near your regular production environment, the data may be at risk because it is exposed to almost the same threats as the data which has been affected. For instance, if there is a hurricane in the eastern coast of the United States, there may be power cuts all along the coastline which may need many weeks to repair. If the business you run is in the path of such a hurricane you would not want the replicated data to be also in the same danger zone. It is best to keep the data in a place which is far away from such natural threats. So, distance is of utmost importance when you must make sure your business stays online during a natural disaster.

– This is made possible with Amazon Cloud Services cross region DR plans. They will allow you to keep your data backups in various geographical locations all over the globe. This ensures that there is a lot of distance between your business site and the data storage facility and the backed up data will not be affected in any way. So, even if the whole AWS region goes offline, your business operations will continue unaffected. It will not be disrupted as long as there is a proper geographically diverse disaster recovery strategy in place.

– Another important reason to have cross region backups of your business critical data is that it helps to resolve latency issues. When the content gets stored in very close proximity to end-users, they can access it faster and this helps to eliminate latency problems. Latency issues are common when the data is far away from your end-users. So, depending on your budget and business needs, you may use either a warm standby or hot standby approach for disaster recovery. This is done by using many regions for DR. in other words, this approach will ensure that your data gets replicated across various geographic locations and users get routed to the option which is nearest to them based upon their locations. In case disasters happen, the traffic is simply re-directed to the region which is still online.

– Another significant advantage of cross-region DR plans is the power to transfer data amongst multiple countries or jurisdictions so as to comply with the regulations and local laws. There are many governments which have stringent laws regarding where and how data may be stored. When new regulations are made, businesses often find it hard to comply with these. However, when there is an AWS cross-region DR plan, the data may be sent easily across the globe to avoid or comply with local laws.

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A lowdown on Cloud Disaster Recovery Plans

A lowdown on Cloud Disaster Recovery Plans

Connectivity is a major concern with the businesses of today. While being online is well and good, it sure isn’t an easy task, especially if your business is situated in a disaster prone zone.

Any kind of interruption in service is termed as being a disaster these days. While in the earlier times, this term was only associated with natural calamities such as floods, earthquakes, hurricanes, etc., and some manmade ones like arson,things are different these days and it has come to include cyber-attacks, industrial sabotage, ransomware, etc. too in its definition.

Not just these, if there is any slight interruption in services or applications, that too comes under the purview of disaster.

The one constant among all these changes has been the amount most organizations keep aside for Disaster Recovery (DR), which is minuscule. Most companies seek effective disaster recovery plans to keep their data and applications safe, albeit at very low costs.  

In most organization, the amount of data to be protected is huge, and it keeps increasing every single second. So, the key aspect here is storage.

What DR services do
Most DR services offer features such as backup, archiving, and recovery. Let us understand these terms first.

Backup
This term means keeping a copy of the data to be used in case of a loss or failure. This step is undertaken by most companies, which keep their backup for some years, usually between three and seven. Now if these companies depend on the cloud for backup, that would mean their having to rent the capacity to store the backup of each day for their decided upon particular length of time. Now the thing is that if you have a gigantic amount of data backup to store, cloud backup and associated storage may not be as cost-effective as doing it on your own.

Archiving
This is the term used when data is to be stored for a really long time. It is suggested that when data is archived, its final copy should be placed in two separate locations in two different formats. Most organizations archive their data for at the very least seven years, and many store it for far longer. If a company has to archive data, cloud hosting solutions may not be viable since it is not cost-effective to do that. This is because renting space for storing archived is not an inexpensive proposition. The recommendation in such cases is the storage of archived data in the company’s own storage space.

Recovery
This term is utilized when data is demanded once a disaster has been dealt with. In most cases of recovery, and specifically in disaster recovery, the latest copy of stored data is required. In case the very latest copy is unavailable, the most recent copy in terms of time is called for. In terms of such recovery, cloud solutions are deemed the best. This is because the most recent data copies are stored in the cloud. And that’s not all. Most cloud solutions providers offer computing resources in disaster recovery times. How this helps is you are saved from the hassles and costs related to keeping and maintaining a server and associated hardware at a remote location. This way, cloud disaster recovery solutions help you, the client, from the headaches related to backup storage capacity issues.

To achieve this purpose, the client must remember to store the very latest copy of their data in the cloud. There are various formats offered by cloud providers to the clients in terms of storing data. You can see which format suits your company best, and even ask them to customize their solution to suit your unique business requirements. For example, some clients prefer having their data stored on high-performance servers so that the return to operations is super quick. If you too desire such a service to ensure almost seamless operations, you can go for that particular feature.   

Some clients prefer to run their applications in the cloud itself where the data is backed up automatically. This saves them from the task of sending data to the cloud for replication or storage in the form of backup. There are massive operational gains in this move, but the client has to be completely comfortable with the idea of moving all their data and applications to the cloud.

Cloud Disaster Recovery solutions are great since they offer compute resources almost immediately and there are no spare resources lying around going waste. You pay for the use of their services only when an actual disaster strikes or when you are trying to test out their services as a test.

This is a new-age service, and its benefits are far too many. With every passing second, more and more companies are moving to the cloud, and not without reason.

For Interesting Topic:

Should I Test My Disaster Recovery Plan?