NonStop S-Series Server Description Manual (G06.27+)

Input/Output Operations
HP NonStop S-Series Server Description Manual—520331-004
10-3
Storage and Communications I/O Compared
Figure 10-1. Application Initiates Storage I/O, Communications I/O Uses Ethernet
or ATM
ServerNet
Hardware
Storage I/O Model Communications I/O Model
Data
Processor Processor
Data
Application
I/O
Process
Application
Store or
Retrieve
Specified Data
Transmit
This
Message
Transmit
This
Message
Controller
Controller Controller
AB
Network
Network
Storage
Device
(Disk or
Tape)
Workstations
ServerNet
Services
ServerNet
Services
Queue
Services
Ethernet or ATM
ServerNet
Wide Area Network
(SWAN) Concentrator
Wide Area Network (WAN)
ATM
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