Scadea Solutions | Legacy to Cloud Migration
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Cloud Strategy driven by Best Practices

Successful cloud migration requires having a sound Cloud Strategy across the Enterprise. The Cloud Strategy lays the groundwork for migration – from selecting a cloud service provider, setting intra-organizational standards, and selecting tools for migration.


Oftentimes, enterprises are challenged with building the skills, talent pool, best practices and other foundational elements to do the migration themselves.


Scadea partners with several Cloud Service Providers with trained and certified personnel to provide migration services in accordance with their respective best practices. Post migration, we also provide managed operational services to manage the deployed cloud based assets.

What it means to Business

Business leaders everywhere know that we are in a digital economy. To respond to nimble market windows, a modern approach to software delivery is required with cloud, agile and DevOps processes and new system architectures.


Cloud is one of the foundational elements of digital transformation. Cloud delivers agility, flexibility, and scale for the development of cloud-native applications, and extensions of legacy systems onto the new agile delivery model.


In order to take full advantage of the cloud, mission-critical workloads trapped in data centers must be migrated to the cloud. While, at the outset, it seems to be a massive task, with complex dependencies on physical infrastructure and on-premise resources, business leaders need to plan a transitional plan to migrate the legacy applications to cloud.

What it means to IT

IT must create a strategic blueprint for cloud before embarking on a cloud migration. Building a strategy involves choosing a cloud service provider, tool stack and creating a governance model to unify all cloud related decisions, aligned with determined business objectives.


The choice of CSP is important since it drives all the downstream decisions of best practices, governance, tools procurement and staff training.


A Cloud Competency Center serves as the hub of cloud migration activities. IT must bring in a few Cloud Architects, to lead and champion the cloud cause within the organization.


Through the teething process, IT organizations must follow the phases of discovery, evaluation, piloting and execution towards successful migrations.

Cloud Migration Strategies

Most cloud strategies involve moving applications from one or more on-premise or co-location Data Centers onto the public cloud.


During the discovery phase, a complete inventory of the legacy applications and relative prioritization will help in identifying workloads that have affinities, so they are all migrated at the same time. This is especially important since dependencies among legacy applications is fairly complex and requires a rigorous discovery process.

Often called “life and shift”, this approach is to do the bare minimum to move the workload to the cloud. It involves creating a virtual data center “environment” in the cloud (usually via VM deployments), and in reality is fairly complex. Attempting to rehost applications dependent on the underlying data center infrastructure, middleware, databases and other components is a complex undertaking.


COTS (Customized Off-The-Shelf) rehosting initiatives like SAP and Oracle systems require a review and consideration of their respective SaaS/IaaS offerings. Most ISVs have created private/public cloud SaaS offerings, and is their preferred migration path for existing customers. SAP has well defined processes to migrate modules and workflows in risk-managed chunks. IaaS rehosted versions offered by ISVs may also be considered. In these cases, ISVs are using the IaaS strategy as a temporary measure till such them they are ready with a cloud-native SaaS solution.

Refactoring breaks down the application into its composite components. The components are evaluated for move to cloud and selectively moved. The application code is not being refactored, but rather the composite services are refactored.


For example, a business may begin refactoring its ERP implementation, by refactoring the RDBMS to a cloud Database. New cloud services off the cloud database can then be introduced into the ecosystem.

Assuming that the Enterprise owns the application code, rewriting for a public cloud is an option – though depending upon the complexity, it may be required to be re-architectured completely for the cloud.


Having a DevOps team that is conversant with the Cloud and process around it is critical for the rewrite initiative. While it is more risky and potentially more expensive when compared to rehosting and refactoring, it provides the best approach for an optimal, cloud-native experience.

Considering the SaaS version of the ISV’s product or that of a competitor needs to be done with caution. The maturity and feature parity of SaaS offerings may not meet all the business needs, and customization options are usually frowned upon.

Scadea Big Data Analytics Practice

Practice Overview

Migrations to cloud are complex, and require working through some non-critical applications to iron out the process – representative of different workload types across business organizations.


At Scadea, we understand the complexity and have fully trained engineers across Hyperscale Cloud Service Providers who understand best practices and can contribute to your cloud migration initiatives.

Cloud Experts

Cloud Architects

Scadea’s certified Cloud Architects for AWS, Google, Azure, and SAP Cloud Platforms. With a thorough understanding of cloud architecture platforms, our architects can design, develop, and manage robust, secure, scalable, highly available, and dynamic solutions to drive business objectives. Our architects can:

  • Design and plan a cloud solution architecture
  • Manage and provision the cloud solution infrastructure
  • Design for security and compliance
  • Analyze and optimize technical and business processes
  • Manage implementations of cloud architecture
  • Ensure solution and operations reliability

Cloud DevOps Engineers

Our Cloud Devops Engineer focus on designing and developing automation to support continuous delivery and continuous integration processes in Microsoft Azure and AWS environments leveraging services beyond basic IaaS provisioning.


Our DevOps engineers have:

  • Engineering experience in building production infrastructure using code and repeatable designs
  • Experience with Windows and Linux systems in public clouds such as Azure and AWS
  • Experience developing solutions using automation tools such as Ansible, Chief, Puppet, System Center
  • Experience developing automation for Terraform or infrastructure provisioning tools
  • Experience with Docker containers and orchestration platforms such as ECS, Kubernetes, Mesos and/or Swarm
  • Knowledge of ITIL processes and experience evolving to Agile development lifecycles
  • Knowledge of networking and software defined networking in cloud environments

Cloud Application Developers

In addition to cloud certifications, our developers are trained in server platform development technologies like C#, Node.js, HTML/CSS, SQL and NoSQL database technologies.