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Legacy Modernization

Before deciding to modernize your existing system, you should understand what exactly pertains a legacy system. Legacy systems are those system applications which run on technology that is no longer used, have high costs of maintenance and are hard to scale. Some of the challenges faced by organizations in transforming their existing systems are mentioned as under:

  • High cost of maintenance and support of applications
  • Slow, less productive and inefficient system as compared to their counterparts
  • Risks associated with reducing skill-set and resource availability in the market
  • Increased time to market products because of large and complex structure of systems
  • Integrating new systems become difficult because of technological incompatibility

These legacy systems suffer from escalating maintenance costs, high risk of being compromised and reduced agility. They require incorporating a comprehensive service-oriented architecture (SOA) model that allows for continuous improvement of business solutions, cost-effectiveness and flexibility to businesses. Some benefits of Legacy Modernization Services :

  • Reduced maintenance costs
  • Enhanced flexibility with new and improved architecture
  • Minimized risk of operations
  • Increased data availability and consistency via integrated applications
  • Access to cross-platform data by web-enabling collaboration

Solutions to Legacy Modernization :

  • Re-engineering : This is one of the best approaches to modernizing a legacy system. Re-engineering attempts to understand the system from design, code and process perspectives to extract organizational knowledge behind the system. This in turn helps in migrating the system to a new platform and incorporating updates as per the present business requirements.
  • Re-hosting : Another method to move the existing legacy system into a new and different hardware platform. With this modernization strategy, the data and business logic of the existing systems are retained while it is being migrated to a new platform
  • Implementing Packages : Package implementation in the legacy system implies that a part or whole of the existing system architecture is replaced by third-party software like CRM, ERP, SCM, etc. This process can be time-consuming initially, but it drastically reduces the cost of enhancement and maintenance over time, besides bringing in better dividends
  • Integrating new systems via a Service-oriented approach : Data and business logic retrieved from legacy systems are used to integrate the system into other new distributed systems with a service-oriented approach, thereby turning it into a reusable and well-defined service

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