An Azure Cloud services contains two xml files: ServiceDefinition.csdef and ServiceConfig.cscfg.
- Service definition file (.csdef) lists the settings used by Azure to define a Cloud Service. Example: roles name, endpoints, certificates, task to run at role starting.
- Service configuration file (.cscgf) gives the configuration for these settings. Example: number of intances per role, ports.
More information:
https://azure.microsoft.com/en-us/documentation/articles/cloud-services-model-and-package/#csdef
https://azure.microsoft.com/en-us/documentation/articles/cloud-services-how-to-create-deploy/