Legacy System Modernization with iPaaS Solution

Legacy System Modernization with iPaaS Solution


September 29, 2020
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Legacy System Modernization with iPaaS Solution

With a business environment that is constantly changing, it is certainly difficult for each one of us to get capabilities right on track. According to an IDC report, investments in public cloud services are expected to grow to $203.4 billion globally. Gartner predicts the worldwide public cloud service market will grow to $331.2B in 2022. As a response, many enterprises are turning to iPaaS to supplement the weaknesses of ESB. As of today, it is the system and software that makes or breaks our ability to adapt, grow, and remain competitive in this digital world. That’s where the legacy system modernization kicks in. In simple terms, legacy modernization is all about updating system, software, or applications in part or in full to support your business goals and processes. Legacy System Modernization was done by many organizations using an Enterprise Service Bus (ESB); however, now almost every organization that needs a legacy modernization chooses an iPaaS. Why? Let us explore why there’s a shift from ESB to iPaaS.

What is Enterprise Service Bus (ESB) and Integration Platform as a Service (iPaaS)?

ESB is a traditional integration method; it is fundamentally an architecture with rules and principles for integrating numerous applications. The basic concept of an ESB architecture is integrating different applications by putting a communication bus between applications, which allows the applications to communicate without dependency on or knowledge of other systems.

Ideally, iPaaS is a cloud-based approach for connecting applications and data. It could be cloud-to-cloud, on premise-to-cloud, or on premise-to-on premise; an iPaaS can help you achieve the desired integration needs faster and more efficiently than other traditional solutions like ESB. Modern iPaaS solutions are blowing through integration barriers by empowering users to connect applications without any code or generate APIs for app integrations within minutes.

Legacy System Migration-IpaaS solution

Enterprise Service Bus (ESB) Vs. Integration Platform as a Service (iPaaS)

Though both ESB and iPaaS serve the same purpose of integrating enterprise systems and applications, there are many differences. Here are the major differences in the level of scalability and complexity of ESB and iPaaS.

Type of System: iPaaS is a set of integration tools delivered from a public cloud and requires no on-premises hardware or software; some iPaaS solutions have evolved to support on-premises systems. iPaaS enables enterprises to connect and integrate their cloud applications and systems quickly. Meanwhile, ESB is an on-premises software architecture model with a good on-premises footprint.

Level of Complexity: ESB is designed to integrate complex IT systems and architecture to hold an enterprise’s on-premises and legacy systems together. iPaaS, on the other hand, offers a lightweight integration solution that are critical requirements of cloud-based services.

Scalability: ESB is for vertical integration; more than a decade ago, when systems were the heavyweights of enterprise software, ESB was well suited for its complex internal systems and architecture. However, for a modern enterprise with integration needs consisting of third-parties, partners, and applications such as software as a Service (SaaS) solutions, iPaaS is the best solution. iPaaS is quick, lightweight, and flexible.

Why shift from ESB to iPaaS for your Legacy System Modernization?

Enterprise Service Bus moves data from application to application; this point-to-point integration results in custom integration code that spreads among applications and numerous technical as well as infrastructural challenges that pulls an organization from reaching the desired results. Major pain points of ESB that hinder Legacy System Modernization when using an ESB are –

  • It is not easy to access data in ESB
  • Data transactions are more time- consuming
  • There is no central way to monitor the integration
  • ESB can bypass any important step in a business process
  • ESB integration cannot be converted into a hybrid

On the other hand, iPaaS is packed with many benefits that aid your integration needs and results.

Benefits of iPaaS for Legacy System Modernization

Easier and quicker Integrations

When an iPaaS hits integration, the entire integration process will be faster and easier. Unlike ESB, iPaas does not require hand-coded integrations. iPaaS lets you integrate applications without any delay, be it on-premise or cloud services. In an iPaaS solution, the pre-built integrations and low-code or no-code API creation tools allow you to quickly and easily build connections.

Flexible and Scalable

Unlike traditional methods such as ESB, when it comes to integration, adding new solutions and services to your network with an iPaaS solution is easy, and it eliminates the labor, costs, hardware, and time commitment required. Adding new solutions or removing those from your list of iPaaS connections does not give you a significant loss. iPaaS solutions offer you greater flexibility to scale up or down depending on changing business demands.

Cost-Effective Integrations 

Having an ESB for integrations can cost you thousands of dollars per year. Custom codes incur some more dollars and not mention the price and maintenance fees of on-site hardware that these solutions require. An iPaaS connects your apps in minutes, manages the connections, and maintains the connected data for an affordable cost without incurring a large up-front investment.

Better Security and Data Compliance 

iPaaS solutions have advanced security and governance features than traditional integration solutions (ESB). iPaaS includes features that satisfy corporate and regulatory compliance standards (GDPR, HIPAA, CCPA, SOC2), role-Based Access Control (RBAC), and support for the latest enterprise authentication technology(OpenID Connect, Active Directory, OAuth), and advanced API logging capabilities.

Handles big data and real-time integration

iPaaS technology is native to the cloud; hence, the integration solution is uniquely suited to handle the high-volume, real-time data integrations, and near-real-time processing demands of a modern cloud enterprise IT architecture. iPaaS quickly synchronizes data cloud-to-cloud, on-premise-to-cloud, and on-premise-to-cloud and plays a key role in overcoming your big data growth hurdles.

Reduce integration redundancy 

iPaaS connections are ideal and efficient for multi-tenant applications because they reduce integration redundancies while offering rapid scalability for onboarding new tenants. As cloud services also eliminate the massive hardware and software requirements that a multi-tenant architecture could require.

Now that we have reviewed the challenges in an ESB and the benefits of iPaaS above, you should have a clear view of how an iPaaS (Integration Platform as a Service) can support your enterprise’s Legacy System Modernization. If you would like to know more about iPaaS and how it can help your organization, Talk to our expert team. We can guide you through your integration journey and help you attain your integration needs.

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