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The Notification Channel is a CORBA service for decoupled messaging through events. We're currently using the implementation provided by ACE/TAO through the Notify Service. For more details please look at the Notification Channel technical document.
Central Logger
The Central Logger is a CORBA-based service that is used to receive a set of logs and redistribute it to interested parties in a decoupled way through the Notification Channel.
This service is implemented in C++ and is part of the ACS/LGPL/CommonSoftware/logging module.
ACS Log Service
The ACS Log Service is a simple CORBA service that receives log requests to be propagated to the Central Logger. It takes advantage of the C++ logging implementation and simply calls the existing C++ macros that will call the Central Logger service methods.
This service is implemented in C++ and is part of the ACS/LGPL/CommonSoftware/acslog module.