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What are the differences between EAI and ERP?


The present business climate is very competitive, putting tremendous strain on worldwide corporate operations. A firm must comprehend quickly changing business situations to survive and grow in these hyper-competitive marketplaces. Global businesses aim for agility and adaptability to deal with fast changes in both internal and external contexts. To adapt quickly to a changing environment, a company must combine business processes into a single system and communicate data with third-party providers and customers using information technology.

Historically, Enterprise Resource Planning (ERP) has emphasised the integration of internal company processes. Linking an organisation’s ERP system to the ERP systems of suppliers and purchasers has been a topic of research. However, ERP deployment also necessitates a significant time and financial investment. Enterprise Application Integration (EAI) is a complementary or alternative technology that automates the integration process less than ERP. EAI can also include ERP to some extent, allowing ERP systems to communicate with one another.

Enterprise resource planning (ERP)

ERP pioneered enterprise integration by providing a technology that allowed for the integration of various operational transaction data. ERP stands for Enterprise Resource Planning, and it is a software solution used to simplify data flow across various areas inside a company. Product planning, parts purchasing, inventory management, interacting with suppliers, providing customer service, and tracking orders are all examples of activities supported by the multi-module application software that assists a manufacturer or other businesses manage the important parts of the business.

Since the early 1990s, enterprise resource planning (ERP) has been a popular organisational trend. According to analysts, 70% of Fortune 1000 companies have or will soon install ERP systems. As a result, the ERP market is expected to grow soon. However, most businesses must first re-engineer their operations to embrace ERP standard business procedures before implementing ERP.

Firms that needed to reorganise their business processes or get rid of outdated systems found that reengineering was beneficial. However, the required reengineering rendered ERP implementation unfeasible for other businesses since their present business model was incompatible with the ERP standard.

enterprise resource planning

ERP Implementation Methodologies

It is not a simple process to establish an ERP system. Due to the enormous cost of ERP deployment, there is no going back once it has begun. Many organisations chose to deploy ERP as a "big bang" or in a phased manner during the early days of ERP in the mid-1990s. Companies have recently adopted more organised ERP implementation methods based on their level of necessity.

Comprehensive (favoured by multinational companies and involving a total effort to implement all modules of the ERP package with business process reengineering); vanilla (implementation of a single module of the ERP package with no business process reengineering) and a midway ground (an approach that falls between the other two extremes).

Most businesses choose to acquire and deploy ERP software that requires minimal customisation. Before the initial installation of ERP, businesses must reengineer their business processes to make this feasible. The technical installation of an ERP system is referred to as configuration when no programming changes are planned. Some businesses, on the other hand, want to tailor ERP to match their existing procedures.

Because an ERP system requires a physical coding procedure, the cost of customisation is high, and it necessitates a trade-off between convenience and functionality. According to Forrester Research, just 5% of Fortune 1,000 businesses who acquired an ERP programme chose to customise it to fit their business operations.

ERP trends

Companies now face fierce rivalry from both current competitors and new start-ups. Agility and adaptability are essential for success in a competitive and quickly changing environment. Do organisations get a feeling of these two promises from ERP systems? Companies have sunk significant sums of money into ERP implementation. Unfortunately, many ERP systems do not provide tailored software for individual company operations, especially those that are tiny or unique.

In addition, many ERP systems have a significant restriction in terms of functionality generality. ERP has traditionally been viewed as an internalisation tool, requiring firms to implement other systems for tasks such as supply chain management, sales force automation, online purchasing, and data warehousing in addition to ERP. The aforementioned external modules, as well as for analytic decision-making features, are being attempted to be installed by ERP providers.

ERP's internal emphasis is a significant and fundamental restriction. Internalisation was formerly a benefit, but the increased attention on changes in the external world has now become negative. It is now feasible to do business in the cyber-world, thanks to the advancement and expansion of Web technology. The Internet has ushered in new marketing paradigms, allowing businesses to understand that their consumers are their most valuable assets.

Companies cannot resist externalising their business operations to their partners, suppliers, distributors, and consumers due to the rapid growth of Web technology. ERP providers are increasingly attempting to capitalise on the growth of the Internet and the World Wide Web. With its capacity to search and exchange information on the Web, the usage of Extensible Markup Language (XML) opens up new possibilities.

Customer relationship management, supplier relationship management, and supply chain management are also supported by vendors such as SAP, PeopleSoft, Oracle, and SAP.

Enterprise application integration (EAI)

Enterprise Application IntegrationEAI was launched in the mid-1990s as a novel method for system integration. EAI's core concept is based on the externality of enterprise integration, which results in reduced costs and less development when existing applications are used. EAI is a business computing phrase that refers to plans, techniques, and tools for updating, consolidating, and coordinating an organisation’s total computer functioning.

Typically, an organisation has legacy programmes and databases that it wishes to keep while adding or transitioning to new applications that use the Internet, e-commerce, extranets, and other new technologies. EAI may entail creating an entirely new perspective on an organisation’s business and applications, figuring out how current applications fit into the fresh perspective and then figuring out how to reuse what already exists while adding new applications and data.

In contrast to conventional integration, EAI employs specialised middleware to link several applications for system integration. Rather than using point-to-point integration, all programmes can freely communicate with one another over a common interface layer.

EIA Implementation strategies

EAI's concept is that it provides a business-oriented approach to mapping business processes rather than technology-driven reengineering. The EAI tools provide a framework for connecting business objects to applications. In other words, if a large number of firms licence technology from each other, functionality may expand shortly.

Companies have adopted the EAI method because of its potential to reuse existing computer programmes to simplify operations and its relative ease of deployment (instead of the customised reengineering required to implement ERP). EAI solutions from Vitria, Active Software, Software Technology, and CrossWorlds are already supported by many manufacturers, including middleware providers.

EIA trends

According to the Enterprise Integration Council, cycle time savings, cost reductions, and cost control are among the benefits of EAI. Nonetheless, the Company Integration Council's ultimate aim for EAI is the flexibility and agility that well-architected integration offers the enterprise, allowing for quick reaction to new business possibilities. EAI has been expanded in several areas to reach this aim, including mainframe enterprise, systems management, application hosting, middleware, process flow, data integration, and application integration. In addition, EAI can now serve additional sectors like ERP, e-commerce, m-commerce (wireless communication), and business-to-business contacts, thanks to the experiences and foundations gained in these areas. Many things are now feasible on the internet, thanks to internet technology. Many new business models have been developed, and existing ones have been adapted to the Internet.

Many potential exist in e-commerce, m-commerce, and business-to-business (B2B) models, which propel EAI into the Internet market. By combining diverse Web-based technologies such as Java, HTML, XML, and others, EAI aims to connect activities at the business-process level across organisations such as procurement, sales order processing, customer relationship management, and supply chain management.


Technical and behavioural integration are both required for true corporate integration. It isn't only about connecting disparate systems, applications, or business processes throughout an organisation. In an organisation, it entails integrating structural changes, diverse behaviours, and multiple information systems. Because enterprise integration is both costly and time-consuming, management should proceed with caution.

There are two main methods to enterprise integration: internalisation and externalisation. Changes driven by Internet technology are bringing these two extremes closer together. Internalisation and externalisation are two options available to a company. Whether a company employs a push-oriented bottom-up ERP system or a pull-oriented top-down EAI system makes no difference.

True corporate integration with standardisation of communication and commerce over the network is more important to businesses. Enterprise integration can be aided by component-based development (CBD).

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