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LogicBlaze Fuse - First Open Source SOALogicBlaze Fuse provides a complete runtime environment for SOA, providing a reliable, scalable, and manageable environment for orchestrated Web services, composite applications, and event-driven business processes across distributed, loosely-coupled systems and services.

It includes the leading open source engines for messaging, integration, orchestration, and registry services. In addition, the included integration and management components enable a flexible, scalable, and extensible integration fabric with full support for routing, transformation, management, and connectivity across a wide range of technologies and data structures.

The Exist team worked alongside the Open Source project committers to build the first SOA platform provided as an open source distribution. All five (5) Exist developers became OS committers to either Apache ActiveMQ or Apache ServiceMix, a testament to their engineering prowess.

In 2007, LogicBlaze and LogicBlaze Fuse were acquired by IONA Technologies, and subsequently acquired by Progress Software in September, 2008.

FUSE is powering companies such as Sabre Holdings, which in 2006 was evaluating the project while FUSE was being developed by LogicBlaze and Exist. Sabre is the company behind Travelocity, Sabre Travel Network, and Sabre Airline Solutions.

Project: LogicBlaze Fuse

Technology Used: J2EE, JMS, SOA

Environment/Industry:

Size of the Project: 5 software engineers

Duration: 2 years

Type of deliverable/s: Software Application

Type of engagement: Software engineering, Technology Support, Consulting

Exist and LogicBlaze proved that open source can be commercialized with components selected for the FUSE platform are all from open communities that demonstrate active member participation and vigorous development cycles. A basic rule is that the more activity surrounding a project, the more likely there is a healthy rate of development and innovation. There is also a high probability that end users are contributing feedback that might be incorporated as additional features, bug fixes, defect resolutions, etc. in the future.

Exist provided technology support in maintaining all contributor feedback and incorporating them in succeeding releases of FUSE.

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Illustration 1 - The LogicBlaze FUSE Enterprise Service Bus (ESB)

Generally, an ESB serves as a middle tier between service consumers and providers by mediating connectivity between the two. From a service consumer’s perspective, the only connection that is made is to the bus itself; nothing is known about the actual service implementation or the provider.

At the core of Exist’s support and development of LogicBlaze FUSE is Apache ServiceMix Enterprise Service Bus (ESB). In addition to supporting the Java Business Integration (JBI) specification, the ServiceMix ESB supports communication over standardized protocols such as HTTP, JMS, and FTP among others. This allowed decoupling the service view from the actual implementation, which significantly increases the flexibility of the architecture. Service providers can be substituted for one another without causing interruptions to consumers.

Illustration 2 - The LogicBlaze Fuse Structure

SOA is often summarized as the more nimble successor to the previous generation of business integration technologies, such as enterprise application integration (EAI). While it is true that integration architects who had previously implemented EAI tend to focus on SOA these days, the migration from EAI to SOA is only one part of the SOA picture.

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