WSO2 ESB makes use of a registry to store various configurations and artifacts such as proxy services, sequences and endpoints. Simply put, a registry is a content store and a metadata repository. Various SOA artifacts such as services, WSDLs and configuration files can be stored in a registry keyed by unique paths. A path is similar to a Unix file path. WSO2 ESB 2.1 introduced a feature to directly store endpoints and sequences to the registry with a user specified key value.
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