Addressing, Routing, and Broadcasting in Hexagonal Mesh Multiprocessors
IEEE Transactions on Computers
Hardware-Assisted Software Clock Synchronization for Homogeneous Distributed Systems
IEEE Transactions on Computers
The X-Kernel: An Architecture for Implementing Network Protocols
IEEE Transactions on Software Engineering
Performance Analysis of Virtual Cut-Through Switching in HARTS: A Hexagonal Mesh Multicomputer
IEEE Transactions on Computers
Reliable broadcast algorithms for HARTS
ACM Transactions on Computer Systems (TOCS)
Monitoring and debugging distributed real-time programs
Software—Practice & Experience
Implementing remote procedure calls
ACM Transactions on Computer Systems (TOCS)
Establishment of Isolated Failure Immune Real-Time Channels in HARTS
IEEE Transactions on Parallel and Distributed Systems
EMERALDS: a small-memory real-time microkernel
Proceedings of the seventeenth ACM symposium on Operating systems principles
EMERALDS: A Small-Memory Real-Time Microkernel
IEEE Transactions on Software Engineering
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Two versions of the HARTS operating system, which is based on Software Components Group's pSOS uniprocessor kernel, are presented. In one version, pSOS services are enhanced to provide interprocessor communication and a distributed naming service. In the second version, real-time fault-tolerant communication, including reliable broadcasting, clock synchronization, and group communication are added to the HARTS operating system. Three tools to evaluate the performance and fault tolerance dependability of HARTS hardware and software-a synthetic-workload generator, a monitor, and a fault injector-are described. The generator produces a synthetic workload, the monitor collects the performance data, and the fault injector simulates faulty behavior for further study. Together these tools create a facility that lets the user perform a wide range of experiments. The tools are independent, so they are equally effective separately or together, depending on the requirements.