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Contents
Part 1. Getting started with AS/400 communications ..............1
Chapter 1. Print this topic .............................3
Chapter 2. Configuring AS/400 for communications ...................5
Creating a network interface description ........................5
Creating a network server description .........................5
Creating a line description..............................5
Chapter 3. Optimizing communications performance ..................7
Improving wide area network performance........................7
Adjusting WAN protocols for optimum AS/400 performance ................7
Adjusting the WAN line speed for optimum AS/400 performance...............7
WAN line speed considerations for IOPs .......................8
Improving local area network performance........................9
Adjusting LANs for optimum communications performance.................9
Adjusting LAN lines for optimum communications performance ...............9
LAN line speed considerations for IOPs .......................10
Improving data path performance ..........................10
Considerations for subsystem configuration for error recovery performance ..........11
Communications performance considerations for interactive jobs ..............12
Communications performance considerations for batch jobs ................13
Mixing interactive and batch jobs on a WAN line ....................13
Performance considerations for AnyNet communications .................14
Subsystems .................................15
Chapter 4. Communications applications.......................17
User written APPC applications ...........................17
Distributed data management (DDM) .........................17
Application program interface (API) performance considerations ...............17
Performance considerations for intersystem communications function ............18
Performance considerations for Common Programming Interface Communications .......19
Chapter 5. Communicating with host systems .....................21
Matching AS/400 parameters for a host system .....................21
Matching AS/400 line description parameters for a host system ..............21
Matching AS/400 controller description parameters for a host system ............23
Matching AS/400 device description parameters for a host system .............24
Matching AS/400 mode and class-of-service description parameters for a host system ......25
Configuring dependent LU requester (DLUR) ......................31
Configuring the host controller description ......................31
Configuring the device descriptions .........................31
Chapter 6. Communicating with a remote AS/400 system ................33
Matching AS/400 line description parameters for a remote AS/400 system ...........33
Matching AS/400 controller description parameters for a remote AS/400 system .........35
Matching AS/400 device description parameters for a remote AS/400 system ..........36
Connecting one AS/400 to another AS/400 system ....................37
Chapter 7. Communicating with remote workstation controllers ..............41
Matching AS/400 parameters for 5494 controllers.....................41
Matching AS/400 parameters for a 5494 connected by token-ring ..............41
Matching AS/400 parameters for a 5494 connected by Ethernet ..............44
© Copyright IBM Corp. 1998, 2001 iii