IBM SOA Fundamentals [2008] Set 5

The complete service lifecycle ✘ Runtime lookup of service endpoints ✘ Enhances messages through mediation ✘ Transformation of messages between different technologies ✔

Tasks can be rearranged without impact to the user. ✘ Business rules can be dynamically stopped at runtime. ✘ New services can be built at runtime without any special tooling. ✘ Business processes can be automated so they do not require feedback. ✔

The company wanted development and operations to be as simple as possible. ✘ The company wanted to break down department silos and encourage everyone to use the same set oftools. ✘ Most of the companys processes were manual or document-centric with little opportunity for automation. ✘ The legacy system had grown in such a way that it was not easy to update and could not handle theemerging business demands. ✔

A format for XML messaging ✘ An interface to a business process ✘ An Internet communications protocol ✘ The payload contents for a Web service message ✔

Service policy information ✘ Versions of software components ✘ Uncommitted transactions to enable compensation handling ✘ Service endpoint information to facilitate dynamic binding at runtime ✔

Services are discoverable. Services use Web 2.0 technology. Services are exposed by an Enterprise Service Bus (ESB). Services are composed into broader business functionality. Services contain logic to provide compatibility across technologies.

To provide the governance of services by limiting who can access services ✘ To provide point-to-point connection of service consumers and service providers ✘ To provide flexibility that allows business process inefficiencies to be rapidly corrected ✘ To ensure a seamless flow of information from anywhere at any time using a variety of protocols ✔

It translates between different identities. It understands and operates with a variety of formats for representing identity. It handles services which each have their own identity registry. It handles identities which are coupled with application business logic. It provides a token that describes digital signature blocks within a message.

Service monitoring ✘ An asset repository ✘ The Enterprise Service Bus (ESB) ✘ Access services to legacy systems ✔

Outsourcing of business functions. ✘ Ensuring Quality of Service (QoS) objectives are met. ✘ Changing business processes to meet government regulations. ✘ Providing a role-based portal for employees, partners and customers. ✔