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Coding the GWNAU definition statement z/OS Communications Server: SNA Network Implementation Guide SC27-3672-01 |
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For the native network, place a GWNAU definition statement
after the SYSCNTRL definition statement:
GWNAU reserves one or more element addresses in the native network to represent other network resources. Some elements can be reserved in a dynamic pool while others can be predefined (that is, associated with a particular resource name). Following are two circumstances when the GWNAU definition
statement must be coded to predefine an element address in the gateway
NCP:
Optionally, application programs that have multiple cross-network sessions can be predefined so that half-session control blocks (HSCBs) required to support the sessions with the application program are preassigned to the element used to represent the application program in the gateway NCP. This ensures that at least the preassigned number of control blocks are available to represent sessions with the application program. Statically allocated HSCBs and addresses cannot be used by any other resource. Note: If you plan to have session monitors communicating
from one network to another, it is strongly recommended that you code
two GWNAU definition statements for each network management session
(one for the primary-to-secondary session and one for the secondary-to-primary
session) to reserve session control blocks in the NCP for the network
management session.
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