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In today's information based world the demand on highly available services is ever increasing. Fault tolerant systems are capable of providing the expected services even in the presence of a failure. This is achieved through the redundancy of the service providers, where service assignments i.e. workloads are shifted to redundant healthy service providers when a failure occurs. The assignment and...
Service high availability is becoming a must in various domains. Services provided by applications originally not designed for high availability can be rendered highly available by integrating them with a middleware compliant to the SAForum specification. Such a middleware offers a number of configuration options. The assessment of service availability at the design of the system configuration facilitates...
AMF (Availability Management Framework) is a middleware service that manages the availability of applications. AMF has been defined by the Service Availability Forum (SA Forum). An AMF configuration for an application running on top of AMF is a logical organization of hardware and software resources to provide and protect services. Resources, namely components, are grouped into logical entities such...
The Service Availability Forum (SA Forum) is a consortium of several telecommunications and computing companies that defines standard solutions for high availability platforms. One of the most important SA Forum services is the Availability Management Framework (AMF) which is responsible for managing the availability of an application running under its control. To achieve this, AMF requires a complete...
The Availability Management Framework (AMF) is a service responsible for managing the availability of services provided by applications that run under its control. Standardized by the Service Availability Forum (SAF), AMF requires for its operations a complete and compliant AMF configuration of the applications to be managed. In this paper, we describe two complementary and integrated tools for AMF...
An AMF configuration is a logical organization of resources, components and service units (SUs) grouped into service groups (SGs), for providing and protecting services defined as service instances (SIs). The assignment of SIs to SUs is a runtime operation performed by the availability management framework (AMF) implementation. However, ensuring the capability of the provisioning and the protection...
The service availability forum (SAF) has defined a set of service API specifications addressing the growing need of commercial-off-the-shelf high availability solutions. Among these services, the availability management framework (AMF) is the service responsible for managing the high availability of the application services by coordinating redundant application components. To achieve this task, an...
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