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90 Chapter 2
Introduction to SNAplus2
SNAplus2 Resources
SNAplus2 Resources
The resources of the SNAplus2 system can be divided into the following
types:
• Node resources define the communications capabilities of a particular
APPN node. The following are node resources:
• Connectivity resources including the following:
• DLCs
• Ports
• Link stations
• Connection networks
• Session resources including the following:
• LUs (types 0–3 for 3270, RJE, and LUA communications, and
type 6.2 for APPC and CPI-C communications and for 5250
emulation)
• Modes and their associated classes of service
• Directory information
• Domain resources are additional resources that are available to all
nodes (not defined as part of a particular node) to support specific
user programs. Domain resources include the following:
• 3270 user information
• 5250 user information
• RJE workstation information
• CPI-C side information
• Logging levels
• Information about access to the UNIX command facility and
service point command facility
The following sections describe the various SNAplus2 resources, and
explain how those resources work together to support each type of user
program.