5th Provider Service Proposal

General strategy

Files

• Shared Core Schema : http://ww3.bgbm.org/viewcvs/viewcvs.cgi/*checkout*/schemas/protocol/newprotocolCore.xsd
• Provider Service Schema : http://ww3.bgbm.org/viewcvs/viewcvs.cgi/*checkout*/schemas/protocol/newprotocolProvider.xsd

Details

• optionally listing addressed datasources in the header. If none is mentioned the request should by default be passed on to all available local datasources.
• All requests are passed on to the requested datasources. EXCEPT:
• A PingRequest is never relayed to other services and will always be answered directly by the ProviderService.
• A ProviderService should have its own metadata added to the individual metadata responses of a DatasourceService
• A ProviderService does not have any additional capabilities (just pooling datasource capabilities responses).
• Use the same way to call providers:
• Using a single POST or GET parameter called "request" which contains either the XML message or an URL pointing to the XML message.
• Use the same error handling strategy:
• use common Error Codes and prefixes for classification of codes.