'Physical clocks' diaporamas de présentation

Distributed Systems

Distributed Systems. Synchronization Chapter 6. Course/Slides Credits.

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Distributed Systems: Synchronization

Distributed Systems: Synchronization. Lecturer: Roohollah Abdipour Acknowledgment: Many of the slides are based on slides by Prof. Paul Krzyzanowski at Rutgers University, pxk@cs.rutgers.edu. Clock Synchronization. Logical vs. physical clocks.

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CS 347: Parallel and Distributed Data Management Notes12: Time and Clocks

CS 347: Parallel and Distributed Data Management Notes12: Time and Clocks. Hector Garcia-Molina. Reference:. Leslie Lamport, Time, clocks, and the ordering of events in a distributed system, Communications of the ACM , Volume 21 , Issue 7 (July 1978), pages: 558 - 565.

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Asynchronous Replication and Bayou

Asynchronous Replication and Bayou. Jeff Chase CPS 212, Fall 2000. Asynchronous Replication. Idea : build available/scalable information services with read-any-write-any replication and a weak consistency model. - no denial of service during transient network partitions

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Synchronization

Synchronization. Why Synchronize?. Often important to control access to a single, shared resource. Also often important to agree on the ordering of events . Synchronization in Distributed Systems much more difficult than in uniprocessor systems. We will study:

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Orbe : Scalable Causal Consistency Using Dependency Matrices & Physical Clocks

Orbe : Scalable Causal Consistency Using Dependency Matrices & Physical Clocks. Jiaqing Du, EPFL Sameh Elnikety , Microsoft Research Amitabha Roy, EPFL Willy Zwaenepoel, EPFL. Key-Value Data Store API. Read operation value = get( key ) Write operation put( key, value)

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Time ( and Global State )

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1DT066 Distributed Information System

1DT066 Distributed Information System. Time, Coordination and Agreement. Outline. Time Physical time Logical time Coordination and agreement Multicast communication Summary. 1 Time. The notation of time External synchronization Internal synchronization

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Jiaqing Du, Daniele Sciascia , Sameh Elnikety Willy Zwaenepoel , Fernando Pedone

Clock - RSM : Low-Latency Inter-Datacenter State Machine Replication Using Loosely Synchronized Physical Clocks. Jiaqing Du, Daniele Sciascia , Sameh Elnikety Willy Zwaenepoel , Fernando Pedone. EPFL, University of Lugano , Microsoft Research. Replicated State Machines (RSM).

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Time and Clock

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Ordering of Events in Distributed Systems

UNIVERSITY of WISCONSIN-MADISON Computer Sciences Department. Ordering of Events in Distributed Systems. CS 739 Distributed Systems. Andrea C. Arpaci-Dusseau. Two papers: Time, Clocks, and the Ordering of Events in a Distributed System

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Time and Clock

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Naming

Naming. CSCI 4780/6780. Attribute-based Naming. Flat and structured names provide location transparency Structured names are also human-friendly Increasingly, users and application want to locate for resources based on features, contents, characteristics Web search P2P search.

371 views • 22 slides

Naming

Naming. CSCI 4780/6780. Attribute-based Naming. Flat and structured names provide location transparency Structured names are also human-friendly Increasingly, users and application want to locate for resources based on features, contents, characteristics Web search P2P search.

303 views • 22 slides

CS533 Concepts of Operating Systems Class 8

CS533 Concepts of Operating Systems Class 8. Time, Clocks, and the Ordering of Events in a Distributed System By Constantia Tryman. What will be covered. Concept of events ordering in distributed system Synchronization of logical clocks to order events totally

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Time and Clock

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Time, Clocks and the Ordering of Events in a Distributed System - by Leslie Lamport

Time, Clocks and the Ordering of Events in a Distributed System - by Leslie Lamport. Outline. Partial Ordering Logical Clocks Total Ordering External Factors Physical Clocks Conclusions. Partial Ordering.

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Proof of liveness: an example

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1DT066 Distributed Information Systems

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Physical Clocks

601 views • 11 slides