TCP/IP Configuration and Management Manual

Overview of NonStop TCP/IP

TCP/IP Configuration and Management Manual—427132-004

2-2

Figure 2-1. NonStop TCP/IP Subsystem Within the NonStop System

003VST .VSD

SCF Commands

and Responses

SPI-formatted

messages

SCF

SCP

Public Data Network (PDN)

Defense Data Network (DDN)

X.25 Network

Management

Applications

DSM

LAN

QIO Shared

Memory

Segment

SLSA

WAN

X25AM

SWAN

Concentrator

TCP/IP

SLSASLSA

ATM

ATM Drivers/Interrupt Handlers

ATM3SA

Adapter

ServerNet Fabrics

LAN Drivers/Interrupt Handlers

TRSA

Adapter

E4SA

Adapter

G4SA

Adapter

GESA

Adapter

FESA

Adapter