'Faulty processes' diaporamas de présentation

Fault Tolerance

Fault Tolerance. Agenda. Overview Introduction to Fault Tolerance Process Resilience Reliable Client-Server communication Reliable group communication Distributed commit Recovery Summary. Overview. Introduction to Fault Tolerance Basic Concepts Failure Modes Failure Masking

557 views • 55 slides

6.852: Distributed Algorithms Spring, 2008

627 views • 44 slides

DC7: More Coordination Chapter 11 and 14.2

DC7: More Coordination Chapter 11 and 14.2. Consensus Group Communication. Topics. Agreement and Consensus No fault, fail-stop, byzantine Group Communication Order and delivery guarantees Virtual Synchrony. Consensus section 11.5.

559 views • 44 slides

Fault

Fault. Toleran c e. and. Rel i abil i ty in. DS. Fau l t Tol e rance. ? Basic conce p ts. in fa u lt t ol e ra n ce. ? M a s k ing fa i lure. by re d u n d a ncy. ? Process resili e nce. Mot i vation. ? Single machine systems ? Failures are all or nothing ? OS crash, disk failures

437 views • 42 slides

Group Dynamics and Sporting Performance

Group Dynamics and Sporting Performance. http://www.youtube.com/watch?v=X2WBCTzOfjA. What is a group?. People behave differently individually than when they are in a group. What is a group?. What makes a successful team?. 2000 Men's Coxless Four 2003 England Rugby World Cup

345 views • 33 slides

Distributed Consensus

Distributed Consensus. Reaching agreement is a fundamental problem in distributed computing. Some examples are Leader election / Mutual Exclusion Commit or Abort in distributed transactions Reaching agreement about which process has failed Clock phase synchronization

751 views • 32 slides

Distributed systems II Fault-Tolerant AGREEMENT

Prof Philippas Tsigas Distributed Computing and Systems Research Group. Distributed systems II Fault-Tolerant AGREEMENT. Distributed Systems Course Coordination and Agreement. 11.5 Consensus and Related problems. Agreement. All processes start with an initial value from some set V

321 views • 30 slides

Group Success

Group Success. What is a group?. 2 or more individuals who have a shared objective which will bring about interaction. Characteristics of a group A collective identity A sense of shared purpose A clear structure for communication

251 views • 25 slides

Distributed systems II Fault-Tolerant AGREEMENT

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Joint work with Michel Hurfin (IRISA), Carole Delporte-Gallet (LIAFA)

278 views • 18 slides

Reaching Approximate Agreement in an Asynchronous Environment

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Agreement

271 views • 16 slides

Reaching Agreement in the Presence of Faults

Reaching Agreement in the Presence of Faults. M. Pease, R. Shotak and L. Lamport. Sanjana Patel Dec 3, 2003. Introduction. The algorithm proposed by this paper offers the means by which independent processes can arrive at an exact mutual agreement.

378 views • 14 slides

Fault Tolerance

Fault Tolerance. CSCI 4780/6780. Reliable Group Communication. Reliable multicasting is important for several applications Transport layer protocols rarely offer reliable multicasting What is reliable multicasting? Communication sent to the group should reach each member

202 views • 13 slides