Introduction to Networking for NonStop S-Series Servers

Communications Product Concepts and
Components
Introduction to Networking for HP NonStop S-Series Servers—520670-005
2-3
Layered Structures and Common Components
Figure 2-1 shows the HP communications product stack.
Figure 2-1. Communications Product Stack
API
Higher Level
Lower Level
Legend
Functions you provide Boundary between applications
Application program interfaces
(APIs), varying in function and
complexity
API
API
API
API
API
API
API
Your Applications
Communications Hardware
Protocol Module
I/O
Process
Other
HP NonStop
Process(es)
API
Functions HP
products provide
API
VST002.vsd