Casablanca S3P requirements have change to the following: 

Level 1: * All ONAP components will use a single logging system.

• Instantiation of a simple ONAP system should be accomplished in <1 hour with a minimal footprint

Level 2:

• A component can be independently upgraded without impacting operation interacting components
• Component configuration to be externalized in a common fashion across ONAP projects
• All application logging to adhere to ONAP Application Logging Specification v1.2: 
  • https://wiki.onap.org/pages/viewpage.action?pageId=28378955

Level 3:

• Transaction tracing across components