© Copyright IBM Corp. 2000 iii
Contents
Contents
Contents ..................................................iii
How to Use This Handbook .......................................xix
Acknowledgements .............................................xix
Introduction ................................................1
Withdrawn Products ..............................................2
Communications (WAN) Functions No Longer Supported. ................7
AS/400TechnologyinStride .......................................8
AS/400 System Architecture: Underlying Strength of the AS/400e ...13
SystemConcepts...............................................14
AS/400AdvancedApplicationArchitecture...........................14
Technology-Independent Machine Interface. . . .....................14
V4R5 New Technologies.......................................16
Operating System OS/400 .....................................16
HierarchyofMicroprocessors...................................17
Single-LevelStorage..........................................19
Hot-Plugging................................................20
Logical Partitioning (LPAR).....................................21
Object-Based ...............................................23
Summary .....................................................23
Workload and Performance ..................................27
CommercialProcessingWorkload..................................27
IBM Workload EstimatorforAS/400.................................28
Disk Arm Requirements..........................................28
AS/400e servers 270 and 8xx Performance...........................29
AS/400e Dedicated Server for Domino Positioning .....................30
Model 270 AS/400e Dedicated Server for Domino Processor Features. . . 32
Model 820 AS/400e Dedicated Server for Domino Processor Features. . . 32
AS/400e Advanced Technology ...............................39
Java.........................................................39
WebServing...................................................42
LotusDomino..................................................48
DominoforAS/400...........................................49
AS/400 Integration with the Windows NT Server . . .....................51
Extended Adaptive Cache ........................................52
AS/400 Portable Application Solutions Environment....................55
Reliable,ManagedAvailability.....................................56
Database .....................................................59
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