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Michael Whittaker - Single-Decree Paxos
Paxos is an algorithm which maintains a distributed, consistent log shared by a set of networked computers. Single-Decree Paxos is a slightly simpler algorithm that solves consensus and is used to implement Paxos.
paxos  description  algorithm  distributed  distributedsystems 
12 weeks ago by kybernetikos
Elastic Paxos: A Dynamic Atomic Multicast Protocol
Replication is a common technique used to design reliable distributed systems by masking defective components. To cope with the requirements of modern Internet applications, replication protocols must allow for throughput scalability and dynamic reconfiguration, that is, on-demand replacement or provisioning of system resources. This paper describes Elastic Paxos, a new dynamic atomic multicast protocol that fulfills these requirements. Elastic Paxos allows to dynamically add and remove resources to an online partially replicated state machine. We implemented Elastic Paxos and evaluated its performance in OpenStack, a cloud environment. We demonstrate its practicality to dynamically scale up and down a partially replicated data store with itand to reconfigure a distributed system.
paxos  broadcast 
12 weeks ago by mpm

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