This pattern is provided courtesy of a customer and upcoming partner entreprise, where it has been put in use in 2011.
Requirements :

retrieve, make available and export information about existing services (as definitions and endpoints), so that part of existing implementations (applications or integrations) can be replaced based on this information.
easy retrieval, easy export

Solution :
For SOAP [...]

This pattern is provided courtesy of a customer and upcoming partner entreprise, where it is in use in production.
Requirements :

resolve web service URLs according to deployment environment
easy development, easy to update when a new one rolls out

Solution :

use a property file, one version per environment, loaded from filesystem by the SOA runtime, with properties like [...]