| Term | Description |
| ABAP Central Instance | 1 Dispatcher / 2 Dialog Workprocess / 1 ABAP Message Server |
| ABAP Central Services | ASCS seperates MS and ES from the Abap Central Instance (High availability environment) |
| ABAP Instance | 1 Dispatcher / 2 Dialog Workprocess |
| CCMS | Starting/Stopping SAP instances // System Monitoring // Logon Load Balance // Scheduling DB Backup // Operation Modes |
| Central System | Database + Instances |
| Client | A self-contained unit (business/geographical/…) with own master data and tables. |
| Client Concept | Multiple clients - Client data and Cross-Client data |
| Client Roles | CUST (dev) / QTST (qa) / PROD / SAND (sandbox) / TEST (unit testing) / TRNG (training end-users) |
| Dual Stack | ABAP + Java Central Instance (Solution Manager System requires Dual Stack for example) |
| GUI Connect String | sapgui<host><instance nr> // sapgui/M/<messageServerHost>/S/<messageServerPort>/G/<logonGroup> (/wan - optional) |
| IIOP (protocol) | Internet Inter-ORB protocol: CORBA - SSL |
| Instance | Application Server |
| Java Central Service | Java Message Server / Enqueue Server |
| Java Instance | 1 Dispatcher / 1 Server Process / 1 Software Deployment Manager / Java Central Service |
| JSmon.exe (Java Instance) | Monitoring of Instance Controller |
| Jstart.exe (Java Instance) | Instance Controller (start/stop/monitor: server + ICM - Signal Handling) // Offline Deployment / Bootstrap / Server Process |
| Maintenance Optimizer | SAP Solution Manager -> Change Management Work Center -> Maintenance Optimizer |
| Multiplexing | Workprocess Multiplexing - Processing multiple transactions which are using Dialog WP's |
| NWA | http://<hostName>:<http-port>/nwa |
| P4 (protocol) | Transport Protocol: Java Specific - HTTP Tunneling - SSL |
| RFC Variants | Synchronous / Asynchronous / Transactional / Queued -> Background |
| SAP Applications | ERP / CRM / SRM / … - SAP Business Suite |
| SAP Components | ECC / SCM Server / Netweaver |
| SAP MC | http://<hostName>:5<instanceNr>13 // https://<hostName>:5<instanceNr>14 |
| SAPCAR | Tool for extracting (support) packages .CAR / .SAR files (archive files, similar to .ZIP / .RAR) |
| TCP/IP Ports | HTTP (5XX00) / P4 (5XX04 / IIOP (5XX07) / Telnet (5XX08) / HTTP (5XX13) sapstartsrv / HTTP 81XX ms |
| User Admin Console (Java) | http://<J2EE_Engine_Server>:<J2EE_Engine_HTTP_port>/useradmin |
| Work Centers | Role-based content in the SAP Solution Manager |
| Work Process | Dialog / Update / Background / Enqueue / Spool (SAP-specific Processes) |
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SAP Basis - General Info
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