TCP/IP (Parallel Library) Configuration and Management Manual

Configuring Parallel Library TCP/IP for Complex and
Heavy-Use Environments
HP NonStop TCP/IP (Parallel Library) Configuration and Management Manual—522271-006
3-12
Configuration Example for the Standard Listening
Model
processes and hands off the connection to those processes. The FTPSERV processes
then assume direct control of the connections.
Figure 3-7. Standard Listening Model Configuration Example: LISTNER
VST0307.vsd
NonStop S-Series
System With 4
Processors
150.50.130. 2
Processor 0
LISTNER
Processor 1
Processor 2
Processor 3
FTP SERV
FTP SERV
FTPSERV
150.50.130.2
TCP/IP
Library
TCP/IP
Library
150.50.130.2
LISTNER
spawns an
FTPSERV
process and
hands off the
connection to it
2.
1.
A connection
request
comes in to
the LISTNER
3.
FTPSERV in
Processor 1
has direct
access to the
adapter.
4.
Four
processors
handling four
connections.
FTPSERV
TCP/IP Library
TCP/IP Library
TCP/IP Library
T
C
P
/
I
P
L
i
b
r
a
r
y
Backup
LISTNER
LAN
Adapter
Processor 0
LISTNER
FTPSERV
Processor 1
Processor 0
LISTNER
Processor 0
LISTNER
FTPSERV
Processor 1
LAN
Adapter
LAN
Adapter
LAN
Adapter