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
3-3
Standard Listening Model
Configuration Example for the Standard Listening Model on page 3-11 tells you
how to configure a similar configuration in Parallel Library TCP/IP.
Figure 3-1. Standard Listening Model
VST0301.vsd
Processor 0
Processor 1
LISTNER spawns
FTPSRV,
providing IP
address and port
number of
connection
1.
2.
FTPSRV
3.
Processor 1
FTPSRV
Connection 1
Processor 1
Processor 0
Processor 0
TCP/IP
Processor 1
Connection
Req 1
LISTNER spawns
FTPSRV, providing IP
address and port # of
connection 1
1.
2.
FTPSRV
3.
Processor 1
FTPSRV
Connection 1
Processor 1
LISTNER
Processor 0
LISTNER
TCP/IP
Processor 0
LISTNER
TCP/IP
Conventional TCP/IP
Parallel Library TCP/IP
Processor 0
FTPSRV assumes
ownership of
connection 1 and
communicates
through the
TCP/IP process in
processor 0
FTPSRV
assumes
ownership of
connection 1
and
communicates
directly to
adapter
LAN
Adapter
LAN
Adapter
LAN
Adapter
LISTNER
Connection
Req 1
LAN
Adapter
TCP/IP Library
TCP/IP Library
TCP/IP Library
LISTNER
TCP/IP Library
LISTNER
TCP/IP Library