Start Level 1 Node: Integration via Core Interface (CIF)Integration via Core Interface (CIF)End Level 1 Node: Integration via Core Interface (CIF)
   Start Level 2 Node: Technical IntegrationTechnical IntegrationEnd Level 2 Node: Technical Integration
   Start Level 2 Node: Integration of Master Data and Transaction DataIntegration of Master Data and Transaction DataEnd Level 2 Node: Integration of Master Data and Transaction Data