®  SAP AG 1998 Memory Based Computing (Gemma F. Durany) / 1 Gemma F. Durany SAP AG Memory Based Computing

®  SAP AG 1998 Memory Based Computing (Gemma F. Durany) / 2 Memory Based Computing Platform Overview Technical Aspects New Technologies

®  SAP AG 1998 Memory Based Computing (Gemma F. Durany) / 3 Microsoft Internet Information Server, Netscape Server (Windows NT Server 4.0) Openness: R/3 Technology Environment DB2 for OS/ 390 ADABAS D DB2 for AIX INFORMIX-OnLine ORACLE Windows 3.1, Windows 95, Windows NT, OSF/Motif, OS/2 Presentation Manager (PM), Macintosh, Net PC, NC ADABAS D MS SQL Server INFORMIX-OnLine ORACLE ABAP/4, C, C++, HTML Java, ActiveX-Controls DB2 for OS/400 OS/390 AIX Digital UNIX HP-UX Reliant UNIX (SINIX) SOLARIS... Windows NTOS/400 Hardware Bull/Zenith Compaq Data General... NCR Sequent SNI Digital HP (Intel) IBM (Intel) Bull Digital HP IBM SNI SUN... UNIX Systems IBM AS/400 Operating systems Dialog SAP-GUI Languages Windows NT, Windows 95, PM, Net PC, NC Databases IBM S/390 Internet Applications

®  SAP AG 1998 Memory Based Computing (Gemma F. Durany) / 4 Platform Overview Most platforms plan a transition to 64 bit technology R/3 on DIGITAL UNIX on 64 bit since 1992: 64 bit Operating System 64 bit Database 64 bit R/3 Kernel and application server R/3 on AS/400 on 64 bit since 1995: DB2/400 full integrated in OS/ bit Operating System and Database 64 bit R/3 Kernel and application server

®  SAP AG 1998 Memory Based Computing (Gemma F. Durany) / 5 Platform Overview Most UNIX Platforms are on 64 bit technology today Databases complete their 64 bit transition soon R/3 is ready for the transition to 64 bit

®  SAP AG 1998 Memory Based Computing (Gemma F. Durany) / 6 Memory Based Computing Platform Overview Technical Aspects New Technologies

®  SAP AG 1998 Memory Based Computing (Gemma F. Durany) / 7 Technical Aspects 64 bit Memory Management: No more 4 GB address space limitations 4 BILLION TIMES MORE ADDRESS SPACE ! Applications can access terabytes of disk and memory Higher profitability of memory resources System management becomes easier Bigger database tables and index data:  Less archiving  Less reorganization Design simplification of large applications

®  SAP AG 1998 Memory Based Computing (Gemma F. Durany) / 8 Technical Aspects 64 bit Performance : Faster low level operations Faster memory mapped file access, caching and swapping Faster analysis of bigger amounts of data

®  SAP AG 1998 Memory Based Computing (Gemma F. Durany) / 9 Technical Aspects Advantages for R/3 on 64 bit: Unlimited R/3 user context Unlimited addressing capabilities for R/3 memory objects + 40 % overall performance win for R/3 SAP is always ready for new technologies SAP is flexible

®  SAP AG 1998 Memory Based Computing (Gemma F. Durany) / 10 Memory Based Computing Platform Overview Technical Aspects New Technologies

®  SAP AG 1998 Memory Based Computing (Gemma F. Durany) / 11 New Technologies No memory based computing: Typical C/S implementation Extensive resource requirements Shared database User context Application data Application data Application data

®  SAP AG 1998 Memory Based Computing (Gemma F. Durany) / 12 New Technologies First step to memory based computing: Buffering with R/3 2.0 to reduce disk I/O First level memory based computing User context Buffered, shared application data Shared database

®  SAP AG 1998 Memory Based Computing (Gemma F. Durany) / 13 New Technologies Second step to memory based computing: Buffering with R/3 3.0 to reduce disk I/O Faster user context switch Advanced memory based computing User context Buffered user context Buffered, shared application data Shared database

®  SAP AG 1998 Memory Based Computing (Gemma F. Durany) / 14 New Technologies The latest in Memory Based Computing: liveCache Buffering with liveCache Optimized and Synchronized data structures allow for a new type of business functionality User context Buffered user context Buffered, shared application indep.data liveCache Shared database Buffered, shared application- specific data

®  SAP AG 1998 Memory Based Computing (Gemma F. Durany) / 15 New Technologies What is liveCache What is liveCache ? A memory resident object management technology which allows new business processes through real time processing of vast amounts of data using very large memory and parallel processing Application data in memory:  Optimized for use of large memory  Ready to exploit 64 bit computing ! Enables business processes not possible before due to performance and memory limitations

®  SAP AG 1998 Memory Based Computing (Gemma F. Durany) / 16 New Technologies Example: 80-95% of product planning run is database I/O liveCache holds large amounts of data in main memory liveCache holds large amounts of data in main memory Supply chain planning in minutes rather than hours ! Lots of other possible 64 bit based new technologies

®  SAP AG 1998 Memory Based Computing (Gemma F. Durany) / 17 Welcome to SAP More information in SAPNet : Our address: Postfach 1461, Walldorf Neurottstraße 16, Walldorf