TCP/IP Configuration and Management Manual

NonStop TCP/IP Processes and Protocols
TCP/IP Configuration and Management Manual—427132-004
B-17
NonStop TCP/IP Process
network; it accepts requests, performs the specified services, and returns the results to
the clients. All supported servers and clients are described later in this section.
NonStop TCP/IP Process
The NonStop TCP/IP process (Figure B-11) is a single process that performs basic
services for FTP, TFTP, SMTP, ECHO, FINGER, and TELNET client and server
programs. Multiple NonStop TCP/IP processes can run on a system; however, in most
cases, only one NonStop TCP/IP process runs on a system even if the system has
multiple networks attached. Each NonStop TCP/IP process is a Guardian named
process. NonStop TCP/IP process names have the format $ZTC
n, where n is an
integer (usually 0 through 9).
Figure B-10. NonStop TCP/IP Processes and Protocols
029VST .VSD
Transfer
Mail
Domain Name
Server
FUP
PATHWAY
TELNET
Subsystem
TACL
ECHO
Server
FTP
Sever
LISTNER
Process
SMTP
FTP
Client
TFTP
Client
TELNET
Client
ECHO
Client
HOST
ECHO Client
and/or
Other Clients
TN6530
Ethernet
Adapter
SLSA
Subsystem
TCP/IP
Subsystem
Sockets
Interface
LAN
TFTP
Server
Sun
Workstation