Specifications

Chapter 1 Understanding Networking and IP Addressing
Niagara Considerations
Niagara Release 2.3
Niagara Networking & Connectivity Guide Revised: May 22, 2002
1–35
Communication between Niagara Hosts
Table 1-13 provides a summary of the types of communication between Niagara
hosts and to other IP-based hosts. Included is the host that initiates each type of
communication, and the host that receives it.
Table 1-13 Communication between Niagara hosts.
Communication
Typical Initiating
Host (Client)
Receiving Host
(Server) Description
Browser User Interface (BUI) Any host Any Niagara host Connection by any user to a Niagara
station using a Web browser. This
includes:
• Connection to a Web Supervisor,
JACE-NP, or JACE-4/5 running
WebUI services for viewing a
GxPage.
• Connection to any Niagara host
with or without WebUI services for
maintaining a station or viewing
data.
Station and
Host
Administration
Java Desktop
Environment
(JDE) also called
Full User Interface
(FUI)
Engineering PC Any Niagara host Connection from an Engineering PC
for the purpose of maintaining a live
station.
Admin Tool Engineering PC Any Niagara host Connection from an Engineering PC
for the purpose of changing host
configuration, adding users to the
host, installation of a station,
software or licenses, or database
administration.
NetMeeting
RCMD
Tel ne t
FTP
Hyperterminal
Windows PC or
JACE-NP
JACE-NP (Full NT)
1
JACE-NP (Embedded NT)
2
JACE-4/5
3
Connection from any PC or
JACE-NP for the purpose of
maintaining a host or the station on it.
This connection is made with
alternate maintenance tools as
described in “Configuration and
Troubleshooting Tools,” page 2-1.
Archiving Pushed archiving Any Niagara host JACE-NPs and Web
Supervisors running the
Database service
Connection from the initiating host to
send log data to the receiving host’s
SQL database for long-term storage.
Polled archiving JACE-NPs and Web
Supervisors running
the Database and Poll
Archive services
Any Niagara host Connection from the initiating host to
pick up log data from the receiving
host to store in an SQL database for
long-term storage.
Alarming Alarm archiving Any Niagara host with
notification set to
archive_remote
JACE-NPs and Web
Supervisors running the
Database service
Communication from the initiating
host to send alarms to a host set up
as the archive destination.
E-mail notification Any Niagara host
running the Mail
service.
Any SMTP mail server Connection from a Niagara host for
the purpose of sending an exception
(alarm or alert) notification or
acknowledgement via e-mail.