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Transaction-Centric Reconciliation in Disconnected Client–Server Databases

Shirish Hemant Phatak, Badri Nath
2004 Journal on spesial topics in mobile networks and applications  
We then present an algorithm that combines multiversion concurrency control schemes on a server with reconciliation of updates from disconnected clients.  ...  The key problem to this approach is the reconciliation problem, i.e. the problem of serializing potentially conflicting updates from disconnected clients on all replicas of the database.  ...  The former is called data-centric; the latter transaction-centric. Datacentric reconciliation is the norm for most commercial disconnected databases.  ... 
doi:10.1023/b:mone.0000034700.03069.48 fatcat:2jabbb3zpfddrdy6ur4yaxzvpu

Conflict resolution and reconciliation in disconnected databases

S.H. Phatak, B.R. Badrinath
1999 Proceedings. Tenth International Workshop on Database and Expert Systems Applications. DEXA 99  
The key problem to this approach is the reconciliation problem, i.e. the problem of serializing potentially conflicting updates from disconnected clients on all replicas of the database.  ...  Reconciliation of conflicting updates is a fundamental problem for mobile databases where disconnected updates are allowed.  ...  The former is called data-centric; the latter transaction-centric. Datacentric reconciliation is the norm for most commercial disconnected databases.  ... 
doi:10.1109/dexa.1999.795148 dblp:conf/dexaw/PhatakB99 fatcat:m3xmljywlbhi5ksvl5ci24sqru

A Survey on Data and Transaction Management in Mobile Databases

D Roselin Selvarani
2012 International Journal of Database Management Systems  
In this paper a survey is presented on data and Transaction management in Mobile Databases from the year 2000 onwards.  ...  The survey focuses on the complete study on the various types of Architectures used in Mobile databases and Mobile Transaction Models.  ...  Then the client processes transaction with the snapshots in a disconnected mode and finally connects to the server and synchronizes the snapshots with the server database to maintain the cache coherency  ... 
doi:10.5121/ijdms.2012.4501 fatcat:hz6dj72yrzev3cvfdqkphlmmci

A Review of Data Synchronization and Consistency Frameworks for Mobile Cloud Applications

Yunus Parvej Faniband, Iskandar Ishak, Fatimah Sidi, Marzanah A.
2018 International Journal of Advanced Computer Science and Applications  
The paper is focused on client-centric data consistency and the offline data synchronization feature of various frameworks.  ...  These frameworks offer a solution for the unreliable connection problem with customized synchronization and replication processes and hence helps in synchronizing with multiple clients.  ...  Client-centric consistency deals with only observing data updates as a black box and hence application developers focus on client-centric guarantees.  ... 
doi:10.14569/ijacsa.2018.091284 fatcat:lafgvg2v55fjvifd4ywkngt4ii

Transaction Processing in Mobile Computing Using Semantic Properties

Fritz Laux, Tim Lessner
2009 2009 First International Confernce on Advances in Databases, Knowledge, and Data Applications  
Due to temporarily disconnected situations the synchronisation and consistent transaction processing are key issues.  ...  We introduce a transaction model that allows higher concurrency for a certain class of transactions defined by its semantic.  ...  Mobile client and server have some local autonomy so that in case of network disconnection both sites can continue their work to some extent.  ... 
doi:10.1109/dbkda.2009.29 dblp:conf/dbkda/LauxL09 fatcat:vldkhuqnija2rft4hdyo3dyluq

Mobility in Databases and Distributed Systems: Summing up Achievements of the Past Decade

Arkady Zaslavsky, Panos K. Chrysanthis, Vijay Kumar
2004 Journal on spesial topics in mobile networks and applications  
This special issue represents the best papers presented at the "Mobility in Databases and Distributed Systems" (MDDS'99) workshop held in September of 1999 in Florence, Italy.  ...  databases and systems to cater for mobility.  ...  The paper "Transaction-Centric Reconciliation in Disconnected Client-Server Databases" by Shirish Hemant Phatak and Badri Nath from Rutgers University addresses the challenges of optimistic replication  ... 
doi:10.1023/b:mone.0000034761.69017.08 fatcat:vrv4qeyykbcupclhszakhz55ki

Reconciling while tolerating disagreement in collaborative data sharing

Nicholas E. Taylor, Zachary G. Ives
2006 Proceedings of the 2006 ACM SIGMOD international conference on Management of data - SIGMOD '06  
We define a consistency semantics for database instances under this model of disagreement, present algorithms that perform reconciliation for distributed clusters of participants, and demonstrate their  ...  We define a consistency semantics for database instances under this model of disagreement, present algorithms that perform reconciliation for distributed clusters of participants, and demonstrate their  ...  Acknowledgments The authors would like to express their gratitude to Alon Halevy, Val Tannen, TJ Green, Grigoris Karvounarakis, Olivier Biton, the members of the Penn Database group, and the anonymous  ... 
doi:10.1145/1142473.1142476 dblp:conf/sigmod/TaylorI06 fatcat:lsqdnqato5cjhgyhowgd4d327y

Availability/Consistency Balancing Replication Model

Johannes Osrael, Lorenz Froihofer, Karl M. Goeschka
2007 2007 IEEE International Parallel and Distributed Processing Symposium  
Replication combined with explicit management of data integrity constraints can be used to enhance availability of object-oriented, data-centric distributed systems when node and link failures occur.  ...  The contribution of this paper is a replication model called Availability/Consistency Balancing Replication Model that allows replicas to diverge in degraded situations if data integrity can be temporarily  ...  System model We focus on tightly-coupled, data-centric, object-oriented distributed systems with a small number of server nodes (typically 2-10) and an arbitrary number of client nodes.  ... 
doi:10.1109/ipdps.2007.370610 dblp:conf/ipps/OsraelFG07 fatcat:ec4aioc4gnfutbwivqfdcirw4e

Isolating Transactions on Replicated Content Going Mobile

Jose Enrique Armendariz-Inigo, Hendrik Decker, Francesc D. Munoz-Escoi
2007 2007 International Conference on Mobile Data Management  
Replication of database content is useful in client-server and peerto-peer configurations of mobile distributed databases.  ...  We present an adaptation of generalized snapshot isolation for transactions on content data in mobile networks.  ...  Updates by disconnected users are logged and later propagated to servers.  ... 
doi:10.1109/mdm.2007.80 dblp:conf/mdm/Armendariz-InigoDM07 fatcat:pn55h4qiebec7fvwoafrakmeqq

Eventual Consistency: Origin and Support

Francesc D. Muñoz-Escoí, José-Ramón García-Escrivá, Juan Salvador Sendra-Roig, José M. Bernabéu-Aubán, José Ramón González de Mendívil
2018 Computing and informatics  
Eventual consistency is not a common data-centric consistency model, but only a state convergence condition to be added to a relaxed consistency model.  ...  There are still several aspects of eventual consistency that have not been analysed in depth in previous works: 1. which are the oldest replication proposals providing eventual consistency, 2. which replica  ...  When clients remain connected to servers, they forward the updates to every reachable server in a synchronous way.  ... 
doi:10.4149/cai_2018_5_1037 fatcat:t5gjsweolnepnmeoe34knw5hai

The evolution of Coda

M. Satyanarayanan
2002 ACM Transactions on Computer Systems  
In this article, we describe how the Coda file system has evolved to meet this challenge through the development of mechanisms for server replication, disconnected operation, adaptive use of weak connectivity  ...  , isolation-only transactions, translucent caching, and opportunistic exploitation of hardware surrogates.  ...  The views and conclusions in this paper are those of the author, and do not represent the opinions, express or implied, of the U.S.  ... 
doi:10.1145/507052.507053 fatcat:lob5fyaqh5edrlbxctvkzupcby

Coordinating backup/recovery and data consistency between database and file systems

Suparna Bhattacharya, C. Mohan, Karen W. Brannon, Inderpal Narang, Hui-I Hsiao, Mahadevan Subramanian
2002 Proceedings of the 2002 ACM SIGMOD international conference on Management of data - SIGMOD '02  
In such a hybrid system, images, videos, engineering drawings, etc. are stored as files on a file server while meta-data referencing/indexing such files is created and stored in a relational database to  ...  Managing a combined store consisting of database data and file data in a robust and consistent manner is a challenge for database systems and content management systems.  ...  Reconciliation is performed in the transactional context since files may have to be linked and unlinked in this process.  ... 
doi:10.1145/564748.564749 fatcat:n67dzezivzaa3fp2oqswbant4a

Coordinating backup/recovery and data consistency between database and file systems

Suparna Bhattacharya, C. Mohan, Karen W. Brannon, Inderpal Narang, Hui-I Hsiao, Mahadevan Subramanian
2002 Proceedings of the 2002 ACM SIGMOD international conference on Management of data - SIGMOD '02  
In such a hybrid system, images, videos, engineering drawings, etc. are stored as files on a file server while meta-data referencing/indexing such files is created and stored in a relational database to  ...  Managing a combined store consisting of database data and file data in a robust and consistent manner is a challenge for database systems and content management systems.  ...  Reconciliation is performed in the transactional context since files may have to be linked and unlinked in this process.  ... 
doi:10.1145/564691.564749 dblp:conf/sigmod/BhattacharyaMBNHS02 fatcat:zikiebh2irbcvkyfzuo3iewk5a

Adaptive Voting for Balancing Data Integrity with Availability [chapter]

Johannes Osrael, Lorenz Froihofer, Matthias Gladt, Karl M. Goeschka
2006 Lecture Notes in Computer Science  
Data replication is a primary means to achieve fault tolerance in distributed systems. Data integrity is one of the correctness criteria of data-centric distributed systems.  ...  in different partitions.  ...  System Model We focus on tightly-coupled, data-centric, object-oriented distributed systems with up to about 30 server nodes and an arbitrary number of client nodes.  ... 
doi:10.1007/11915072_56 fatcat:dgjoh3hqdvcalkhc3lhoxvvcjy

Banking Intelligence Accelerator – Decision Support

Adrian MUNTEANU, Ovidiu RĂDUŢĂ
2012 Database Systems Journal  
Having the decision process analyzed in the banking field, we propose an architectural model to sustain the decision and integrate easily in the complex banking environment.  ...  Along with the development of information technology, Business Intelligence plays an important role in banking operation process.  ...  The communication between the browser and the web server can be using XML. The rendering is done on the client using XSLT for rendering as HTML.  ... 
doaj:846f6558a1a84ba79479344ccb4cb0aa fatcat:f2ntjrjfi5dbhnvqk5tj23hx2i
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