Building Disaster Recovery Solution on AWS for Health-Care SaaS Platform

DevOps Development Services | Customer Case Study | Healthcare



Chicago, USA




3 people


6 months

Executive Summary

Pragma IT therapyBOSS is SaaS solution for Home Health Agencies, Therapy Agencies covering a wide range of services (Early Intervention, Physical Therapy, Speech Therapy, Skilled Nursing). It saves time, cuts costs and streamlines operations in total compliance for treating patients at home.

TherapyBOSS is a one-of-a-kind comprehensive web and mobile SaaS platform for agencies and clinicians that helps users manage all administrative and clinical aspects of home health therapy.

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The challenge was to build a cost-effective disaster recovery solution for the on-premise production environment without incurring the infrastructure expenses of a second physical site and to prepare for and recover from any negative event that could happen on the main on-premise production environment.

For instance, negative events that could happen with on-premise environments could be a hardware or software failure, a network or power outage, physical damage caused by fire or flooding, human error or some other kind of significant disaster cause a negative impact on the business continuity.


To enable faster disaster recovery of the critical IT systems and recover from any event that harms the Pragma IT business, Romexsoft built Pilot Light Disaster Recovery Solution using reliable AWS cloud infrastructure.

The pilot light disaster recovery scenario was chosen to keep a minimum version of the environment running in the AWS cloud.
The pilot light disaster recovery approach was delivered by configuring and running the most critical core elements of a customer system in AWS. When the time for recovery comes, AWS infrastructure rapidly provisions a full-scale production environment around the critical one.

Romexsoft did professional expertise of Pragma IT therapyBOSS on-premises environments and software components and built a fully functional pilot light disaster recovery environment on AWS to have most core elements of the production system already configured and running on AWS.

Disaster Recovery Pilot Light Approach

Disaster Recovery Pilot Light Approach
AWS Architecture Diagram: Disaster Recovery Pilot Light Approach.

Disaster Recovery for Healthcare SaaS Platform Architecture Diagram AWS

Pilot Light Disaster Recovery for Healthcare SaaS Platform Architecture Diagram
AWS Architecture Diagram: Pilot Light Disaster Recovery Solution for Healthcare SaaS Platform.

  • Elastic Block Storage (EBS)
  • Elastic File System (EFS)
  • Elastic Load Balancer (ELB)
  • Virtual Private Cloud (VPC)
  • Identity Access Management (IAM)
  • Amazon EC2
  • Simple Storage Service (S3)


Leveraging the Pilot Light DR approach allows Romexsoft to build a cost-effective DR solution using a reliable AWS-cloud. The AWS DR environment holds only the critical core of the customer system around which all other infrastructure pieces can be quickly provisioned to restore the complete system within 2 hours when the time comes.

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