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Commit Protocols in Mobile Environments: Design & Implementation
2010
International Journal of Database Management Systems
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Most of the approaches use locking mechanisms to achieve concurrency control. This leads to increase in blocking and abort rate in mobile environments. ...
To reduce deadlocks and blocking of resources an enhanced optimistic approach for concurrency control is proposed. ...
To achieve concurrency control, two phase locking protocol was used in the traditional environment. ...
doi:10.5121/ijdms.2010.2310
fatcat:cvrntc7zxzgbxgmbvg26umc5ya
Transaction Processing, Techniques In Mobile Database: An Overview
2015
International Journal on Computational Science & Applications
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of mobile environment, transaction is the center component in database systems, In this paper we present useful work done in mobile transaction, we show the mobile database environment and overview a ...
The advancement in mobile technology and wireless network increase the using of mobile device in database driven application, these application require high reliability and availability due to nature inheritance ...
The second method for increasing concurrency control is Optimistic concurrency control, in this mechanism the data items are not locked and can be updated by more than one mobile host at the same time ...
doi:10.5121/ijcsa.2015.5101
fatcat:xzwqrpsguvhvbbxfkrhsx7kuwy
A Real Time Optimistic Strategy to achieve Concurrency Control in Mobile Environments Using On-demand Multicasting
2010
International Journal of Wireless & Mobile Networks
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2010 pre-print arXiv:1005.1747v1 fatcat:t3xlz755mff6xdhfuwp7kyktna
Most of the approaches use locking mechanisms to achieve concurrency control. However this leads to increase in blocking and abort rate. ...
In this paper an optimistic concurrency control strategy using on-demand multicasting is proposed for mobile database environments which guarantees consistency and introduces application-specific conflict ...
., locking, timestamps and optimistic concurrency control. Though these schemes are well suited for traditional database applications, they don't work efficiently in mobile environments. ...
doi:10.5121/ijwmn.2010.2212
fatcat:qhvumpf6x5hurjmo6scozbj7du
Transaction Management in a Mobile Data Access System
[chapter]
2001
Annual Review of Scalable Computing
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Transaction processing and concurrency control issues are analyzed. Finally, a taxonomy for concurrency control algorithms for both multidatabases and MDAS environments is introduced. ...
This article is intended to address the issue of concurrency control within a multidatabase and an MDAS environment. Similarities and differences of multidatabases and MDAS environment are discussed. ...
Note that the GTM is the only unit responsible for global concurrency control in this approach. ...
doi:10.1142/9789812810182_0004
fatcat:4hzigjspfzarvlwxuzfosfaocy
Distributed Transactions and Distributed Concurrency Control
2021
International journal of computer science and mobile computing
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It is impracticable to maintain the integrity of the database system in a concurrent environment without concurrency control techniques. ...
Concurrency control is one of the essential tasks of any database management system. ...
The study discusses various lock based concurrency control techniques for distributed database management systems. ...
doi:10.47760/ijcsmc.2021.v10i01.006
fatcat:a4gp2bcqmvbyhcfuimcaugjje4
Concurrency Control Monitor for Nested Transactions based on Autonomous Agents
2005
Inteligencia Artificial
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In this paper, an atomic commit protocol for nested transactions over mobile devices combined with a concurrency control mechanism is introduced. ...
The monitor features a flexible and goal persistent technique dealing with the loss of communication -a latent risk in mobile environments-, whilst safekeeping the transaction ACID properties. ...
The lock manager -at the monitor workflow layerimproves the concurrency control in shared access over data-objects. ...
doi:10.4114/ia.v9i25.767
fatcat:zlut7acyvfgu3imdagxmhrf7vm
C3: Concurrency control on continuous queries over moving objects
2010
2010 IEEE 26th International Conference on Data Engineering (ICDE 2010)
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Existing concurrency control protocols for spatial indices are based on a single indexing tree, while popular continuous query processing approaches require multiple indices. ...
In addition, continuous monitoring combined with frequent location updates challenges the development of serializable isolation for concurrent index operations. ...
In other words, TD and VD are both advanced approach for concurrent continuous query processing, which can achieve the same performance as C3 in single-user environments. ...
doi:10.1109/icde.2010.5447854
dblp:conf/icde/DaiL10
fatcat:vu2h6w4l45dtvjnervy2dwsppu
A two-part multi-algorithm concurrency control optimization strategy for distributed database systems
2022
International Journal of Advanced and Applied Sciences
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Although our proposed strategy remains an algorithmic approach as we encountered various challenges regarding performance testing of a novel multi-algorithm approach for handling concurrency control in ...
Here we proposed a two-part holistic strategy to optimize concurrency control in distributed environments that address a wide range of concurrency control anomalies by taking advantage of several concurrency ...
A lock-free strategy for managing concurrency control in mobile environments through combining features of timestamp ordering and OCC strategies aiming at minimizing transaction abortion rate and response ...
doi:10.21833/ijaas.2022.07.016
fatcat:efsvdotfszdxvkx55xg7lao6ym
Jironde: A Flexible Framework for Making Components Transactional
[chapter]
2003
Lecture Notes in Computer Science
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We discuss the influence of both approaches to concurrency control, recovery, and transaction context propagation. ...
Then, we introduce our approach based on the use of several component controllers that manage transactional functionality on behalf of components. ...
For instance, concurrency control in CORBA can be managed through a simple read/write locking as specified in the Concurrency Service [12] . ...
doi:10.1007/978-3-540-40010-3_9
fatcat:7gpvklmjwzgjxnuyzui5pgjhrq
A Survey of Mobile Transactions
2004
Distributed and parallel databases
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Transaction support is crucial in mobile data management. ...
Specific characteristics of mobile environments (e.g. variable bandwidth, disconnections, limited resources on mobile hosts) make traditional transaction management techniques no longer appropriate. ...
Raffin for their help in reading this paper. We wish to thank the members of the NODS project (http://www-45 lsr.imag.fr/Les.Groupes/STORM/) for their feedbacks all along this research. ...
doi:10.1023/b:dapd.0000028552.69032.f9
fatcat:tohlptorcrbsxkgizqcnilsj6a
Concurrency control in mobile distributed real-time database systems
2000
Information Systems
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similarity for concurrency control in MDRTDBS. ...
With the rapid advances in mobile computing technology, there is an increasing demand for processing realtime transactions in a mobile environment. ...
ACKNOWLEDGEMENTS The work reported in this paper was supported in part by research grants NSC87-2213-E194-002 of Taiwan National Science Council, the Hong Kong RGC CERG 9040353, Strategic Grants 700584 ...
doi:10.1016/s0306-4379(00)00018-1
fatcat:vbewsqhzhzholenwr2sjwfysde
HYBRIDIZED CONCURRENCY CONTROL TECHNIQUE FOR TRANSACTION PROCESSING IN DISTRIBUTED DATABASE SYSTEM
2020
International journal of computer science and mobile computing
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Concurrency control has been actively investigated for the past several years and two-phase locking used as a standard solution for transaction processing in a database management system but the system ...
This technique will enhance the performance of the concurrency control techniques for transaction processing in a distributed database management system. ...
Concurrency control is an act of coordinating concurrent accesses to a database in a multi-user Database Management System (DBMS). ...
doi:10.47760/ijcsmc.2020.v09i09.012
fatcat:tgxxal5sg5e4hl3er7u4zqs6ye
A Strategy to prioritize the waiting transactions to achieve Concurrency Control in Mobile Environments
2018
International Journal for Research in Applied Science and Engineering Technology
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The inherent features of mobile environments makes concurrency control in mobile environments a challenging problem. ...
Pessimistic concurrency control mechanisms may not be suitable in mobile database environments as the wireless devices are prone to disconnections and mobility. ...
DHP-2PL [3] is a locking protocol based on high priority two phase locking to achieve concurrency control in mobile environments. ...
doi:10.22214/ijraset.2018.1060
fatcat:b3atxmeg4rczraufmk5zws3itu
Transaction processing in mobile, heterogeneous database systems
2002
IEEE Transactions on Knowledge and Data Engineering
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In a mobile computing environment, a potentially large number of users may simultaneously access the global data; therefore, there is a need to provide a means to allow concurrent management of transactions ...
The proposed concurrency control algorithm-v-lock-uses global locking tables created with semantic information contained within the hierarchy. ...
ACKNOWLEDGMENTS This work in part has been supported by the US Office of Naval Research under the contract N00014-02-1-0282. ...
doi:10.1109/tkde.2002.1047771
fatcat:gt2xwbvvqrf7rj2xggysesxsza
Establishing Multi-level Security in Mobile Data Access
2007
The Open Information Systems Journal
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Based on the discovery of certain vulnerabilities in these protocols, we propose an optional multi-granularity locking protocol that ensures secure access to shared data in mobile environments without ...
In this paper, we first investigate to what degree this breach may occur and we also assess the suitability of existing protocols for avoiding the appearance of covert channels in mobile database access ...
In that section we also consider certain aspects of database security which depend on locking mechanisms and concurrency control. ...
doi:10.2174/1874133900701010019
fatcat:hbvuvy2bmzfojg5ionsc6xmfze
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