|  Licensing model | 
                 Traditional licensing | 
                 Subscription | 
              
              
                |  Cost (implementation) | 
                 It is more costly because of the need for additional hardware and/or software. | 
                 The price is comparatively lower. | 
              
              
                |  Implementation time | 
                 Requires more cost and time (because of additional hardware or software) and qualified personnel to build a new environment. | 
                 Shorter due to the ready-made platform used by the cloud version. | 
              
              
                |  Functional scope | 
                 Full ERP scope. | 
                 Key industrial and embedded ERP scenarios. | 
              
              
                | Customization | 
                Due to system flexibility, there are many opportunities for customization. | 
                Customers have on-premise extensibility with in-app and side-by-side extensions, code enhancement, and modifications. | 
              
              
                | Scalability | 
                Long-term planning and extra resources are required. | 
                To scale the system up or down is easier, faster, and cheaper. | 
              
              
                | Upgrades | 
                You
                  decide how often to upgrade your system and define the schedule of 
                  software upgrades in case your business processes require new SAP 
                  features and innovations.
                 | 
                You have less control over system upgrades.
                   Your provider informs you about the impending upgrades in advance, and you can choose the
                   timing and functionality.
                 | 
              
              
                | Maintenance, support | 
                The system is supported by in-house IT specialists. | 
                The provider is responsible for the system maintenance. | 
              
              
                | Infrastructure | 
                Customer's Hardware | 
                SAP Data Center or Hyperscale | 
              
              
                | Who manages the system | 
                Customer | 
                Provider | 
              
              
                | Security | 
                You need security experts and often additional security software to support on-premise system security. | 
                The provider has all the required tools to ensure the customer's system security. |