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Performance Sensitive Replication in Geo-distributed Cloud Datastores
2014
2014 44th Annual IEEE/IFIP International Conference on Dependable Systems and Networks
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In this paper, we tackle these challenges in the context of quorum-based systems (e.g. Amazon Dynamo, Cassandra), an important class of cloud storage systems. ...
We present models that optimize percentiles of response time under normal operation and under a data-center (DC) failure. ...
Quorum-based datastores: Quorum protocols have been extensively used in the distributed systems community for managing replicated data [30] . ...
doi:10.1109/dsn.2014.34
dblp:conf/dsn/NSRT14
fatcat:dmi3mbl7zba2dkjwet3j46vcd4
An Evaluation Framework of Replication Protocols in Mobile Environment
2013
International Journal of Database Management Systems
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Conventional data sharing systems are based on presumption that connections are reliable, and a faulty operation will be considered in case of losing a connection. ...
For dynamically evolving environments to provide connectivity and reasonable use of shared resources adaptability is vital. ...
The variation schemes of ROWA are proposed such as voting approach and quorum based approach [8] . ...
doi:10.5121/ijdms.2013.5104
fatcat:foo2xcy7y5atbc32qqpcpgtoye
A Novel Adaptive East–West Interface for a Heterogeneous and Distributed SDN Network
2022
Electronics
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In addition, a novel reinforcement-learning-based consistency algorithm is introduced for an adaptive, quorum-based replication mechanism. ...
First, they cannot support a heterogeneous SDN system where SDN controllers are developed by different providers. ...
Data Availability Statement: Data sharing not applicable.
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/electronics11070975
fatcat:lxftxw6lt5h3nidkfekmv7baju
DObjects: Enabling Distributed Data Services for Metacomputing Platforms
[chapter]
2008
Lecture Notes in Computer Science
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The key constraints for building a distributed data query infrastructure for such applications are: scalability, consistency, heterogeneity and network and resource dynamics. ...
that require access to data integrated from multiple distributed data sources. ...
and heterogeneous data sources. ...
doi:10.1007/978-3-540-69384-0_19
fatcat:tts3txd3bveqbaju3tbkjvbbum
DObjects
2008
Proceedings of the VLDB Endowment
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The key constraints for building a distributed data query infrastructure for such applications are: scalability, consistency, heterogeneity and network and resource dynamics. ...
that require access to data integrated from multiple distributed data sources. ...
and heterogeneous data sources. ...
doi:10.14778/1454159.1454192
fatcat:ptslqiaozfcxni36xojlf5hoxa
Quantifying eventual consistency with PBS
2014
Communications of the ACM
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We derive a closed-form solution for version-based staleness and model real-time staleness for a large class of quorum replicated, Dynamo-style stores. ...
Data replication results in a fundamental trade-off between operation latency and consistency. ...
quorum-style replication and we are not aware of any widely adopted data store that uses a substantially different quorum-based replication protocol. ...
doi:10.1145/2632792
fatcat:zkemja4mbvayxlwyftf47nurba
Quantifying eventual consistency with PBS
2013
The VLDB journal
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We derive a closed-form solution for version-based staleness and model real-time staleness for a large class of quorum replicated, Dynamo-style stores. ...
Data replication results in a fundamental trade-off between operation latency and consistency. ...
quorum-style replication and we are not aware of any widely adopted data store that uses a substantially different quorum-based replication protocol. ...
doi:10.1007/s00778-013-0330-1
fatcat:y553lm2woffefavt6wqflhpc4m
Advances in pervasive computing
2009
International Journal of Pervasive Computing and Communications
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Findings -Tools expected to support these advances are: resource location framework, data management (e.g. replica control) framework, communication paradigms, and smart interaction mechanisms. ...
Pervasive computing systems operate in large-scale, highly heterogeneous domains with very unpredictable dynamics. ...
In contrast, rather than being restricted to (or even requiring) pre-defined subject fields, subscribers in Content-based scheme have the added flexibility of selecting filtering criteria along multiple ...
doi:10.1108/17427370910950276
fatcat:fq7fwooal5atzpvwx3vgliov7i
Quorum Systems towards an Asynchronous Communication in Cognitive Radio Networks
2012
Journal of Electrical and Computer Engineering
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Third, we also propose a novel distributed RDV protocol, MtQS-DSrdv, which is based on mirror torus QS and difference set concepts. ...
This paper reviews quorum systems (QS) from the perspective of cognitive radio networks. Quorum systems were originally developed for and widely used in the scope of operating systems. ...
Quorum systems are widely used in achieving the distributed mutual exclusion (DMX), for a consistent data replication [2] , solving agreement problems [3] , or dissemination of information. ...
doi:10.1155/2012/753541
fatcat:m2djaeqgv5chfkesuukdszy3cu
Aquarius: A Data-Centric Approach to CORBA Fault-Tolerance
[chapter]
2003
Lecture Notes in Computer Science
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Second, it provides complete flexibility and autonomy in choosing for each replicated object its replication group, failure threshold, quorum system, and so on. ...
Data-centric replication Consider a typical service program that is accessible by many clients over the network. ...
Several recent works [11, 7, 5, 6, 17] further enhance our fundamental understanding of quorum-based replication. ...
doi:10.1007/978-3-540-39962-9_87
fatcat:su5g4rul7rg5pay22bzvrnj3cu
Transaction Management in a Mobile Data Access System
[chapter]
2001
Annual Review of Scalable Computing
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The assignment of quorums lacks flexibility and is difficult to be optimized automatically. A new copy of the data cannot join the system until the quorums are rearranged. ...
Dynamic replication can be used at this level to redistribute data to get closer to the access activities. Classical replication protocols are sufficient to handle this. ...
doi:10.1142/9789812810182_0004
fatcat:4hzigjspfzarvlwxuzfosfaocy
A Survey of Mobile Transactions
2004
Distributed and parallel databases
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Transaction support is crucial in mobile data management. ...
The flexibility offered by compacts allows Pro-motion to support several dynamic replication schemes with a variety of consistency constraints and correctness criteria. ...
It would require a flexible management that allows a dynamic configuration of the set of participants. ...
doi:10.1023/b:dapd.0000028552.69032.f9
fatcat:tohlptorcrbsxkgizqcnilsj6a
A Classification of NoSQL Data Stores Based on Key Design Characteristics
2016
Procedia Computer Science
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Traditional Relational Database Management Systems are continuously being replaced by NoSQL data stores as a result of the growing demand for big data applications. ...
This paper deals with the analysis of some key design characteristics of NoSQL systems and uses these for their characterization based on their capabilities. ...
The main ones are:
document-based-store, graph-based, key-value-store,
column-based-store
Schemas and Flexibility
Each record conforms to fixed schema
Schemas are dynamic. ...
doi:10.1016/j.procs.2016.08.284
fatcat:pp5sdg4thzg2lhriyo46xztgkm
High-Availability Clusters: A Taxonomy, Survey, and Future Directions
[article]
2021
arXiv
pre-print
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taxonomy that covers all key aspects of HACs -- deployment patterns, application areas, types of cluster, topology, cluster management, failure detection and recovery, consistency and integrity, and data ...
G.3: Dynamic quorum. A dynamic quorum is a technique whereby votes are evaluated and, subsequently, a cluster is reconfigured dynamically using an active member count or voters. ...
While most of the current HAC solutions apply the dynamic reconfiguration procedure, there are also features that are specific to a dynamic quorum, such as running a cluster when only one node and a quorum ...
arXiv:2109.15139v2
fatcat:yw3izfigkncbhkjkl43ptfuxu4
EdgeKV: Decentralized, scalable, and consistent storage for the edge
[article]
2020
arXiv
pre-print
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With a location-transparent and interface-based design, EdgeKV can scale with a heterogeneous system of edge nodes. ...
EdgeKV offers fast and reliable storage, utilizing data replication with strong consistency guarantees. ...
Since different edge groups communicate only through the gateway nodes, this provides great flexibility and room for heterogeneity. ...
arXiv:2006.15594v1
fatcat:lmhvb5qtyrd6lkigvm75w6chyq
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