In a grid environment there are thousands of resources, services and applications that need to interact in order to make possible the use of the grid [1] as an execution platform. Since these elements are extremely heterogeneous, volatile and dynamic, there are many failure possibilities, including not only independent failures of each element, but also those resulting from interactions between...

for the yearbook This thesis describes adaptive multi-dimensional fault tolerance as a network service in Programmable Networks. We outline the concept of a component based programmable node architecture. Based on this performant and fault tolerant plattform we introduce scalable fault tolerance as a transparent network service. The foundation of the service are cooperating transparent overlay ...

The DTS (Dependability Test Suite) fault injection tool can be used to (1) obtain fault injection-based evaluation of system reliability, (2) compare the reliability of different applications, fault tolerance middleware, and platforms, and (3) provide feedback to improve the reliability of the target applications, fault tolerance middleware, and platforms. This paper describes the architecture ...

A Theory of Fault-Tolerance Components1 Anish Arora Sandeep S. Kulkarni Department of Computer and Information Science The Ohio State University Columbus, Ohio 43210 USA Abstract In this paper, we show that two types of tolerance components, namely detectors and correctors, appear in a rich class of fault-tolerant systems. This class includes systems designed using the wellknown techniques of e...

Traditional modular redundancy based upon software fault tolerance techniques, such as N-version programming and recovery blocks, is now widely known and its use is on the increase. By contrast, data fault tolerance techniques have been largely ignored. The most likely reason for this omission is the perception that implementations are highly complex. Fortunately this situation has been greatly...

Most robot controllers today employ a single processor architecture As robot control requirements become more complex these serial controllers have di culty providing the desired response time Additionally with robots being used in environments that are hazardous or inaccessible to humans fault tolerant robotic systems are particularly desirable A uniprocessor control architecture cannot o er t...

Checkpointing and rollback recovery is a simple technique for fault tolerance. The state of a process is saved on a disk file from which the process can recover on the occurrence of failure. In this paper we describe the implementation of FTOP (Fault Tolerant PVM), a coordinated checkpointing library integrated with PVM. Existing PVM applications require only minor change for incorporating faul...

Fault tolerance has always been a standard feature of electronic systems intended for long-term missions. However, the high complexity of modern systems makes the incorporation of fault tolerance a difficult task. Novel approaches to fault tolerance can be achieved by drawing inspiration from nature. Biological organisms possess characteristics such as healing and learning that can be applied t...