Management of Legacy Applications is a critical component of IT strategy for organizations seeking to maintain support and modernize their outdated software systems. These applications, often built on older technologies, can be cumbersome to manage but are vital for core business operations.
Large enterprises still want to maintain and run legacy applications for reasons such as, business continuity and cost efficiency. Many banks, insurance and healthcare companies are still running their many business-critical applications using legacy applications and hence it is critical for these enterprises to have a proper management of these legacy application to ensure business continuity with minimal downtime and ensures reliability in a cost-efficient manner.
At the same time, these legacy applications can present security vulnerabilities due to outdated technologies. For example, banks using legacy systems like IBM Mainframe must address security concerns through ongoing management to comply with stringent regulations and protect sensitive customer data. Another important challenge is to ensure that these legacy applications are integrated with modern technologies as organizations adopt new technologies. For example, a retail company integrating its legacy inventory management system with a modern e-commerce platform can leverage APIs to ensure real-time data synchronization.
We help our clients in identifying and deploying resources with right skillsets and attitude who can help in optimizing their legacy systems while integrating them with modern technologies ensuring seamless functionality and business continuity. Here's a list of key technologies and languages typically associated with legacy systems
COBOL (Common Business-Oriented Language)
FORTRAN (Formula Translation)
PL/I (Programming Language One)
VB.NET (Visual Basic .NET)
Visual Basic 6 (VB6)
C and C++
Pascal
Ada
RPG (Report Program Generator)
Assembly Language
IBM Mainframe Systems (e.g., z/OS, z/VM)
Unisys ClearPath Systems
AS/400 (IBM iSeries)
Windows Server 2003/2008 (legacy Windows applications)
Oracle Forms and Reports
SAP R/3 (legacy versions)
PeopleSoft
Lotus Notes/Domino
Tandem NonStop Systems
IBM DB2 (older versions)
Oracle Database (legacy versions)
Sybase (now SAP ASE)
Informix
Microsoft SQL Server (older versions)
FoxPro
IBM CICS (Customer Information Control System)
IBM MQ (formerly WebSphere MQ)
TIBCO EMS (Enterprise Message Service)
Microsoft BizTalk Server
Classic ASP (Active Server Pages)
PHP (older frameworks)
Java Applets
HTML 4.01 and older
Legacy Networking Protocols (e.g., SNA - Systems Network Architecture)
Mainframe Batch Processing Tools (e.g., JCL - Job Control Language)
Client-Server Architecture (e.g., 2-tier and 3-tier architectures)
Old Reporting Tools (e.g., Crystal Reports versions prior to 2016)
EBCDIC (Extended Binary Coded Decimal Interchange Code)
Management of Legacy Applications are essential for organizations aiming to optimize and modernize their legacy systems. By focusing on tailored support, ongoing maintenance, and strategic modernization, maintaining these legacy applications can enhance operational efficiency, reduce risks, and ensure business continuity.
In Relevance Infosystems, our subject matter experts who have vast hands-on experience in managing such legacy applications for large enterprises can help our clients in identifying and deploying highly qualified technical experts and consultants as part of various projects within the client organization quickly on need basis at a competitive price.