The enterprise services bus (ESB) is a software program that delivers modular services to consumers over the internet. It shares and routes messages between computer systems, providing a standard platform for businesses to securely share services across networks. ESBs vary in price and complexity, with small buses available for start-ups. ESBs use message-oriented middleware (MOM) technology, and provide encryption to secure data. Business Process Execution Language (BPEL) relies on ESBs to communicate business services to external customers.
In computing, an enterprise services bus (ESB) is a software program that makes modular services available to consumers over the Internet. This bus is the delivery mechanism for service-oriented software technology (SOA). These are used in online banking, travel bookings and stock ticket readers.
The enterprise service bus is a message delivery system for web services. It is responsible for sharing and routing messages between computer systems. It is similar to an automated post office that ensures data is delivered securely to the appropriate person on the network.
When service-oriented architecture was created, there was no standard way to present business services to the community at large. This made it difficult for companies to share information because the files weren’t available in a standard method. The enterprise service bus created a standard platform with defined protocols to enable all businesses to securely share business services across networks.
There are many types of service buses available. These typically vary in price and complexity. It is important to determine the level of sophistication a business needs before purchasing an enterprise Service Bus because large complex systems can cost several million dollars. Small buses are available on the Internet and provide adequate support for small service-based web applications.
The enterprise service bus is an example of message oriented middleware (MOM) technology. This family of tools provides the channel for sharing information between consumers and other businesses. Some other examples of MOM technology include IBM MQSeries®. This technology provides a generic way for computer systems to send messages in a standard reliable way.
Small bus services are usually sufficient for start-ups that have only a few services available. This type of Business Service Bus will provide the minimum functionality needed to manage business forms over the Internet. As demand grows, the company can upgrade the platform and bus infrastructure to a more complex model.
Enterprise Service Bus is responsible for sharing service messages from an enterprise. This type of sharing requires sufficient security for the exposed data. The bus typically includes functions that encrypt and decrypt messages before they are shared across the network. This encryption process secures messages before they are transferred over the network.
Business Process Execution Language (BPEL) relies on a business service bus to communicate business services to external customers. This special scripting language encapsulates the rules for business processes specific to a company. The BPEL program requires an ESB application to ensure the reliability and performance of the services.
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