Motorola 6806800C08B Manuel D’Utilisation

Page de 52
Message-Based Checkpointing Service
NetPlane Core Services
NetPlane Core Services Overview  User’s Guide (6806800C08B)
39
   
2.6.6.2.3
Management Access Server
The Management Access Server (MAS) manages the database of managed objects. It 
performs the following tasks:
z
Receiving managed object row ownership information from the OAAs
z
Direct management access requests from MAAs to the proper OAA
2.6.6.2.4
Command Line Interpreter Management Access Point
The Command Line Interpreter (CLI) provides a command-line based user interface for the 
NCS system. It provides a mechanism for describing commands that can be used to manage 
configurable entities. The commands are customizable depending on the needs of the 
application or NCS and are dynamically registered and deregistered. The functionality provided 
by the CLI includes: 
z
Displaying of available commands and results
z
Programmatic description of command syntax and semantics
z
Menu navigation
z
Key assignment properties (hot keys)
z
Dynamic registering of command descriptions
z
Fetching character stream from input sources such as a file or terminal
z
Matching character stream against all possible command descriptions and when a match 
is found invoke respective function
The CLI provides an API which allows applications or NCS services to register and deregister 
CLI commands. A detailed description of this API can be found in the Command Line Interface 
Programmer's Reference
.  
2.6.6.2.5
SNMP Management Access Point
The SNMP Management Access Point is an SNMP subagent whose purpose is to provide a 
mapping between the SNMP management agent and the MASv. This mapping allows 
applications and NCS services to access managed objects maintained by applications and 
NCS services. The main tasks of the SNMP Management Access Point are: 
z
Registering MIB rows with the SNMP master agent
z
Receiving and forwarding SNMP requests from the SNMP master agent
For further details refer to the SNMP SubAgent Programmer's Reference.
2.6.7
Message-Based Checkpointing Service
The Message-Based Checkpointing Service (MBCSv) was introduced to complement the SAF-
compliant Checkpointing Service. MBCSv defines a simple synchronization protocol which 
keeps an active and one or more of its stand-by entities in synchronization. Unlike the SAF-
compliant Checkpointing Service, the MBCSv does not maintain replicas.