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Casual message-logging protocols have several attractive properties: they introduce no blocking, send no additional messages over those sent by the application, and never create orphans. Causal message logging, however, does require the casual effects of the deliveries of messages to be tracked....
This paper addresses the Non-Blocking Atomic Commit (NB-AC) problem in asynchronous distributed systems augmented with failure detectors. We first show that, in these systems, NB-AC and Consensus are incomparable. Roughly speaking, there is a failure detector that solves NB-AC but not Consensus...
We consider the problem of distributed deterministic broadcasting in radio networks of unknown topology and size. The network is synchronous. If a node u can be reached from two nodes which send messages in the same round, none of the messages is received by u. Such messages block each other and...
A torus is oriented if the processes have assigned their communication links North-East-South-West labels in a globally consistent manner. This paper presents an orientation protocol that is self-stabilizing, i.e., resilient to corruption of data stored in working memories and communication...
The goal of decentralized consensus protocols is to exchange information among nodes so that each node acquires the information held by every other node in the system. This paper presents a quorum-based, self-stabilizing maxima finding protocol which is based on a decentralized consensus...
We consider the problem of locating replicas in a network to minimize communications costs. Under the assumption that the read-one-write-all policy is used to ensure data consistency, an optimization problem is formulated in which the cost function estimates the total communications costs. The...
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