HP Digital NetRider Manuel d'utilisateur Page 207

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Configuring and Managing Interactive Devices 11-13
Configuring a Session Management (TD/SMP) Terminal
Configuring a Session Management (TD/SMP) Terminal
Introduction
The MULTISESSION characteristic allows a session management terminal using the
terminal device/session management protocol (TD/SMP) to manage each terminal
session at the terminal itself, not at the access server. A
terminal session
is a single
session on an access server port that is operating under session management control.
Session management terminals can have more than one terminal session with the
access server, but each terminal session can have one service session. A
service
session
is a session between a network resource and the terminal session.
With session management terminals, TD/SMP maintains the context of a service
session when the user switches to another terminal session. Session data from a service
node continues even though the service session is currently inactive. You can visualize
a session management terminal as two or more standard terminals using the same
physical access server port. For terminals that do not implement TD/SMP, the access
server suspends service session data until the user resumes the session.
How to Configure
Configure the session management terminal for a LAT session as described in the
Configuring an Interactive Device for LAT Sessions section in this chapter. Configure
a Telnet session as described in the Configuring an Interactive Device for Telnet
Sessions section in this chapter. In addition you enable MULTISESSIONs on the port,
as follows:
Local> CHANGE PORT 2 MULTISESSIONS ENABLED
Benefits and Restrictions Summary
The following is a summary of the benefits and restrictions for session management
terminals:
Context preservation for terminal sessions and their corresponding service
sessions.
Multiple local modes (one for each terminal session) to manage service sessions
and port characteristics.
Simultaneous data exchange with multiple service sessions.
Management of terminal sessions using terminal commands.
Restrictions on some access server commands (see the table in the Local Mode
Command Restrictions During Session Management section in this chapter).
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