Consistency in a partitioned network: a survey
ACM Computing Surveys (CSUR)
Concurrency control and recovery in database systems
Concurrency control and recovery in database systems
Epidemic algorithms for replicated database maintenance
PODC '87 Proceedings of the sixth annual ACM Symposium on Principles of distributed computing
Increasing availability under mutual exclusion constraints with dynamic vote reassignment
ACM Transactions on Computer Systems (TOCS)
Dynamic voting algorithms for maintaining the consistency of a replicated database
ACM Transactions on Database Systems (TODS)
ACM Transactions on Computer Systems (TOCS)
Disconnected operation in the Coda file system
SOSP '91 Proceedings of the thirteenth ACM symposium on Operating systems principles
Providing high availability using lazy replication
ACM Transactions on Computer Systems (TOCS)
Cost and availability tradeoffs in replicated data concurrency control
ACM Transactions on Database Systems (TODS)
Database system issues in nomadic computing
SIGMOD '93 Proceedings of the 1993 ACM SIGMOD international conference on Management of data
Data replication for mobile computers
SIGMOD '94 Proceedings of the 1994 ACM SIGMOD international conference on Management of data
Mobile wireless computing: challenges in data management
Communications of the ACM
The availability of quorum systems
Information and Computation
Mobile computing and databases: anything new?
ACM SIGMOD Record
Managing update conflicts in Bayou, a weakly connected replicated storage system
SOSP '95 Proceedings of the fifteenth ACM symposium on Operating systems principles
The dangers of replication and a solution
SIGMOD '96 Proceedings of the 1996 ACM SIGMOD international conference on Management of data
Dynamic voting for consistent primary components
PODC '97 Proceedings of the sixteenth annual ACM symposium on Principles of distributed computing
Dynamic hashing + quorum = efficient location management for mobile computing systems
PODC '97 Proceedings of the sixteenth annual ACM symposium on Principles of distributed computing
Epidemic algorithms in replicated databases (extended abstract)
PODS '97 Proceedings of the sixteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Perspectives on optimistically replicated, peer-to-peer filing
Software—Practice & Experience
Optimal availability quorum systems: theory and practice
Information Processing Letters
Decentralized replicated-object protocols
Proceedings of the eighteenth annual ACM symposium on Principles of distributed computing
Update propagation protocols for replicated databates
SIGMOD '99 Proceedings of the 1999 ACM SIGMOD international conference on Management of data
Read-only transactions in a distributed database
ACM Transactions on Database Systems (TODS)
Client-server computing in mobile environments
ACM Computing Surveys (CSUR)
A Majority consensus approach to concurrency control for multiple copy databases
ACM Transactions on Database Systems (TODS)
Mobile Computing and Databases-A Survey
IEEE Transactions on Knowledge and Data Engineering
Scalable Update Propagation in Epidemic Replicated Databases
EDBT '96 Proceedings of the 5th International Conference on Extending Database Technology: Advances in Database Technology
Efficient Dynamic Voting Algorithms
Proceedings of the Fourth International Conference on Data Engineering
Session Guarantees for Weakly Consistent Replicated Data
PDIS '94 Proceedings of the Third International Conference on Parallel and Distributed Information Systems
VLDB '92 Proceedings of the 18th International Conference on Very Large Data Bases
Evaluation Overview of the Replication Methods for High Availability Databases
ECOOP '98 Workshop ion on Object-Oriented Technology
Replicated Data Management in Mobile Environments: Anything New Under the Sun?
Proceedings of the IFIP WG10.3 Working Conference on Applications in Parallel and Distributed Computing
Evaluating quorum systems over the Internet
FTCS '96 Proceedings of the The Twenty-Sixth Annual International Symposium on Fault-Tolerant Computing (FTCS '96)
Weighted voting for replicated data
SOSP '79 Proceedings of the seventh ACM symposium on Operating systems principles
Light-Weight Currency Management Mechanisms in Deno
RIDE '00 Proceedings of the 10th International Workshop on Research Issues in Data Engineering
Support for Speculative Update Propagation and Mobility in Deno
ICDCS '01 Proceedings of the The 21st International Conference on Distributed Computing Systems
Maintaining consistency of data in mobile distributed environments
ICDCS '95 Proceedings of the 15th International Conference on Distributed Computing Systems
Replicated document management in a group communication system
CSCW '88 Proceedings of the 1988 ACM conference on Computer-supported cooperative work
A dynamic data/currency protocol for mobile database design and reconfiguration
Proceedings of the 2003 ACM symposium on Applied computing
Timed buffers: A technique for update propagation in nomadic environments
Computer Communications
An efficient and fault-tolerant update commitment protocol for weakly connected replicas
Euro-Par'05 Proceedings of the 11th international Euro-Par conference on Parallel Processing
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This paper discusses the currency management mechanisms used in Deno, an object replication system designed for use in mobile and weakly-connected environments. Deno primarily differs from previous work in implementing an asynchronous weighted-voting scheme via epidemic information flow, and in committing updates in an entirely decentralized fashion, without requiring any server to have complete knowledge of system membership.We first give an overview of Deno, discussing its voting scheme, proxy mechanism, basic API, and commit performance. We then focus on the issue of currency management. Although there has been much work on currency management in synchronous, strongly-connected environments, this issue has not been explored in asynchronous, weakly-connected environments. We present currency management mechanisms, based on peer-to-peer currency exchanges, that enable light-weight replica creation, retirement, and currency redistribution while maintaining the correctness of the underlying consistency protocol. We also demonstrate that peer-to-peer currency exchanges can be used to exponentially converge to arbitrary target currency distributions, without the need for any server to have global system information.