February 28, 2024

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Modernising Legacy Systems in Singapore

Legacy systems are still in use pieces of hardware or software that are out of date. These systems frequently have problems and are incompatible with more modern ones. Although they can be used in the manner intended by their creators, they cannot be improved.

It is the backbone of many excellent organisations, since they utilise software, apps, and IT solutions that are crucial to the general operation of the business but are obsolete and, in some cases, no longer supported by the original software vendor or developer.

While running legacy systems may not appear to be a big deal, they do present a unique set of challenges and potential issues that organisations would be remiss to ignore.

Thus, obsolete legacy systems are at best a nuisance and, at worst, can undermine an organisation’s entire IT security strategy, severely impeding productivity. Furthermore, the longer a company waits to modernise a legacy system, the more difficult the transition becomes.

However, system modernisation is always a prerequisite for digital transformation. Most firms will be unable to fully grasp the benefits of new technologies and solutions without it.

Due to the rapid development of technology, businesses must maintain compatibility with legacy systems that impede the implementation of contemporary technologies.

With this, the Centre for Strategic Infocomm Technologies (CSIT) employs technology to facilitate and advance Singapore’s national security. Due to the environment’s highly secret nature, it must be air-gapped.

This means that development and deployment are conducted in networks that are not connected to the internet. Consequently, all platforms had to be installed on-premises.

Despite not being able to utilise internet-connected services, CSIT has a Cloud Infrastructure and Services section that offers developers the necessary infrastructure to concentrate on software development.

Further, a monolith system is a big application consisting of code built by several developers over many years. Frequently, the code is inadequately maintained. Some of these developers may have left the development team or the organisation, leaving knowledge gaps.

Due to a lack of expertise and the difficulty of modifying a system that is constantly in use in production, refactoring the code is comparable to replacing the tyres on a moving car.

Having a legacy system result in greater maintenance and support costs and decreased efficiency. Since the monolith system was still essential, CSIT opted to adopt a more manageable strategy by decomposing it into smaller services using the microservices methodology.

Microservices, on the other hand, are software programmes that execute a business function as part of a larger system yet are separate services. These services are intended to be lightweight and straightforward to implement.

Microservices have the following advantages: each service is independently scalable; services have smaller code bases that make them easier to maintain and test; and problems are isolated to a single service, allowing for faster troubleshooting.

In addition, there are two main microservice architectures to consider when implementing the microservices approach. Each has advantages and disadvantages that correspond to specific use cases as Orchestration, as the name suggests, necessitates an orchestrator actively controlling the work of each service, whereas Choreography takes a less stringent method by allowing each service to carry out its work freely.

Microservices architecture may not be appropriate for all projects and choosing an architecture should be based on the needs of the project; therefore, CSIT advised to expect new problems to arise and be prepared to adapt to them.

PARTNER

Qlik’s vision is a data-literate world, where everyone can use data and analytics to improve decision-making and solve their most challenging problems. A private company, Qlik offers real-time data integration and analytics solutions, powered by Qlik Cloud, to close the gaps between data, insights and action. By transforming data into Active Intelligence, businesses can drive better decisions, improve revenue and profitability, and optimize customer relationships. Qlik serves more than 38,000 active customers in over 100 countries.

PARTNER

CTC Global Singapore, a premier end-to-end IT solutions provider, is a fully owned subsidiary of ITOCHU Techno-Solutions Corporation (CTC) and ITOCHU Corporation.

Since 1972, CTC has established itself as one of the country’s top IT solutions providers. With 50 years of experience, headed by an experienced management team and staffed by over 200 qualified IT professionals, we support organizations with integrated IT solutions expertise in Autonomous IT, Cyber Security, Digital Transformation, Enterprise Cloud Infrastructure, Workplace Modernization and Professional Services.

Well-known for our strengths in system integration and consultation, CTC Global proves to be the preferred IT outsourcing destination for organizations all over Singapore today.

PARTNER

Planview has one mission: to build the future of connected work. Our solutions enable organizations to connect the business from ideas to impact, empowering companies to accelerate the achievement of what matters most. Planview’s full spectrum of Portfolio Management and Work Management solutions creates an organizational focus on the strategic outcomes that matter and empowers teams to deliver their best work, no matter how they work. The comprehensive Planview platform and enterprise success model enables customers to deliver innovative, competitive products, services, and customer experiences. Headquartered in Austin, Texas, with locations around the world, Planview has more than 1,300 employees supporting 4,500 customers and 2.6 million users worldwide. For more information, visit www.planview.com.

SUPPORTING ORGANISATION

SIRIM is a premier industrial research and technology organisation in Malaysia, wholly-owned by the Minister​ of Finance Incorporated. With over forty years of experience and expertise, SIRIM is mandated as the machinery for research and technology development, and the national champion of quality. SIRIM has always played a major role in the development of the country’s private sector. By tapping into our expertise and knowledge base, we focus on developing new technologies and improvements in the manufacturing, technology and services sectors. We nurture Small Medium Enterprises (SME) growth with solutions for technology penetration and upgrading, making it an ideal technology partner for SMEs.

PARTNER

HashiCorp provides infrastructure automation software for multi-cloud environments, enabling enterprises to unlock a common cloud operating model to provision, secure, connect, and run any application on any infrastructure. HashiCorp tools allow organizations to deliver applications faster by helping enterprises transition from manual processes and ITIL practices to self-service automation and DevOps practices. 

PARTNER

IBM is a leading global hybrid cloud and AI, and business services provider. We help clients in more than 175 countries capitalize on insights from their data, streamline business processes, reduce costs and gain the competitive edge in their industries. Nearly 3,000 government and corporate entities in critical infrastructure areas such as financial services, telecommunications and healthcare rely on IBM’s hybrid cloud platform and Red Hat OpenShift to affect their digital transformations quickly, efficiently and securely. IBM’s breakthrough innovations in AI, quantum computing, industry-specific cloud solutions and business services deliver open and flexible options to our clients. All of this is backed by IBM’s legendary commitment to trust, transparency, responsibility, inclusivity and service.

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