TCP/IP (Parallel Library) Configuration and Management Manual

Introduction
HP NonStop TCP/IP (Parallel Library) Configuration and Management Manual—522271-006
2-14
QIO
Figure 2-4 also shows the management interfaces involved in running TCP/IP. The
lines between the terminal, SCF, SCP, DSM and TCPMAN indicate management flow
through the message system. The solid lines between the application and TCPSAM is
also a message system transfer.
Figure 2-4. Parallel Library TCP/IP Subsystem Within the System
VST0204.vsd
SCF Commands
and Responses
SPI-formatted
messages
SCF
SCP
DSM
Management
Applications
QIO Shared
Memory
Segment
LAN Drivers/Interrupt Handlers
TCPMAN
TCPSAM
Open and Close
Requests
TCPMON
Outbound
Packets
TCPLIB
Application
SLSA/DIH
Public Data Network (PDN)
Defense Data Network (DDN)
X.25 Network
ServerNet Fabrics
SWAN
Concentrator
Inbound
Packets
Legend
Message system inter-process transfer
Library transfer
LAN
Adapter
LAN
Adapter
LAN
Adapter