Integration as a service (IaaS): is a budding and distinctive capability of clouds that helps in fulfilling internal as well as external business integration requirements. Increasingly, business applications are deployed in clouds to reap the manifold business and technical benefits of using clouds.
- On the other hand, innumerable mission-critical applications and data sources still remain locally stationed and sustained primarily due to the expressed security concerns associated with hosting them in clouds. The question here is how to create seamless data flow between hosted and on-premise applications so that they work together.
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- This means they provide application-to-application connectivity along with the functionality that is crucial for linking internal and external software securely.
- Unlike the conventional EAI solutions designed only for internal data sharing, B2B platforms have the ability to encrypt files for safe passage across the public network, manage large data volumes, transfer batch files, convert disparate file formats, and guarantee data delivery across multiple enterprises.
- The IaaS just imitates this established communication and collaboration model to create reliable and durable linkage for ensuring smooth data passage between traditional and cloud systems over the web infrastructure.
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The use of hub-and-spoke (H&S) architecture further simplifies the implementation and avoids placing an excessive processing burden on the customer side.The hub is installed at the SaaS provider's cloud center to do the heavy lifting, such as reformatting of files.
- A spoke unit at each user site typically acts as a basic data transfer utility. With these pieces in place, SaaS providers can offer integration services under the same subscription/ usage-based pricing model as their core offerings. As IT resources are becoming more distributed and decentralized every day, linking and leveraging them for multiple purposes need a multifaceted infrastructure.
Clouds, being web-based infrastructures, are the best fit for hosting scores of unified and utility-like platforms to take care of all sorts of brokering needs among connected ICT systems.