A system for constructing configurable high-level protocols
SIGCOMM '95 Proceedings of the conference on Applications, technologies, architectures, and protocols for computer communication
Coyote: a system for constructing fine-grain configurable communication services
ACM Transactions on Computer Systems (TOCS)
Real-Time Dependable Channels: Customizing QoS Attributes for Distributed Systems
IEEE Transactions on Parallel and Distributed Systems
Building Survivable Services Using Redundancy and Adaptation
IEEE Transactions on Computers
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Abstract: Current Remote Procedure Call (RPC) services implement a variety of semantics, with many of the differences related to how communication and server failures are handled. The list increases even more when considering group RPC, a variant of RPC often used for fault-tolerance where an invocation is sent to a group of servers rather than one. This paper presents an approach to constructing group RPC in which a single configurable system is used to build different variants of the service. The approach is based on implementing each property as a separate software module called a micro-protocol, and then configuring the micro-protocols needed to implement the desired service together using a software framework based on the x-kernel. The properties of point-to-point and group RPC are identified and classified, and the general execution model described. An example consisting of a modular implementation of a group RPC service is given to illustrate the approach. Dependency issues that restrict configurability are also addressed.