HP-UX SNAplus2 R7 General Information

SNAplus2 Networking Solutions
Using Multiple Servers
3 SNAplus2 Networking Solutions
SNAplus2 can be used in a variety of configurations to provide solutions to a number of networking requirements.
In this chapter, the possible network evolution of an imaginary bank called “Global Bank” is used to illustrate the
kinds of real life networking requirements that might arise in a typical organization.
3.1 Host-Based SNA Network
Each branch of Global Bank is connected to an SNA host at the bank’s headquarters. The bank’s network started
off as a simple host-based SNA network on one site, as shown in Figure 3–1,
Traditional Host-Based SNA Network.
Figure 3–1 Traditional Host-Based SNA Network
Host
Terminal
FEP
SNA Nodes
Printer
Controller
3.2 Using Multiple Servers
As the bank’s headquarters grow, the headquarters need to be linked to computers in the regional branches of the
bank.
The host and its applications represents one of the bank’s largest and oldest investments, but an increasing processing
load means that the host and its communication links are becoming a bottleneck for operations. The bank decides
to follow a strategy of decentralizing application processing, off-loading some of the processing requirements from
the host onto a local HP-UX workstation.
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