This module is used to dynamically reclaim any execution capacity that is not used by the different servers, so that it can be assigned to other servers that can make use of it. The application requirements are similar to spare capacity sharing, except that the application only knows that it has some additional budget later during its server period. Therefore, this reclamation is appropriate for anytime algorithms (i.e., continuous granularity servers) and is inappropriate for n-version algorithms which must know the version to run from the beginning of the current instance.
Dynamic reclamation is a difficult scheduling problem that is not completely solved. If new dynamic reclamation techniques become available in the future, the FSF can immediately take advantage of them because all the information on how the application can make use of it is already in the service contract. Because this module shares its application requirements with the spare capacity module, it has no contract server attributes of its own.
This module is used to dynamically reclaim any execution capacity that is not used by the different servers, so that it can be assigned to other servers that can make use of it. The application requirements are similar to spare capacity sharing, except that the application only knows that it has some additional budget later during its server period. Therefore, this reclamation is appropriate for anytime algorithms (i.e., continuous granularity servers) and is inappropriate for n-version algorithms which must know the version to run from the beginning of the current instance.Dynamic reclamation is a difficult scheduling problem that is not completely solved. If new dynamic reclamation techniques become available in the future, the FSF can immediately take advantage of them because all the information on how the application can make use of it is already in the service contract. Because this module shares its application requirements with the spare capacity module, it has no contract server attributes of its own.
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