deadlock resolution
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Distributed nature of transactions arising at different sites and needing resources from diverse locations pose various operational problems, such as deadlocks, concurrency and data recovery. A deadlock may occur when a transaction enters into wait state that request resource from other blocked transactions. Deadlock detection and resolving is very difficult in a distributed database system because no controller has complete and current information about the system and data dependencies. In this paper, an enhanced technique for deadlock resolution is presented, which minimizes the abortion or waiting of the selected victim transactions


The number of vehicles on the road are increasing rapidly day by day, which leads to massive road congestions and traffic deadlocks. This paper proposes a model for an algorithm-based technique for efficient resolution of road traffic deadlocks, which would work on the technologies related to the Internet of Vehicles (IoV), while keeping the safe and efficient movement of vehicles along with the maintenance of constant communication with nearby vehicles and roadside infrastructure using Vehicular Ad-hoc Networks (VANETs). This would ultimately aid towards the optimization of road traffic, which is very much a need of the hour considering the ever-increasing amount of traffic on the roads today. We make use of two important phases, namely, Deadlock Detection Phase and Deadlock Resolution Phase in order to resolve traffic deadlocks. An equally important focus has been put towards a deep understanding of the motivation behind the efforts put in this paper by examining the present scenario of road traffic conditions and their resulting complications, and how the proposed model could potentially help resolve such complications. It also involves a brief discussion on VANETs, which provides an efficient means of connecting the vehicles together in a network for seamless communications


2018 ◽  
Vol 37 (2) ◽  
pp. 546-562 ◽  
Author(s):  
Alan Diêgo Aurélio Carneiro ◽  
Fábio Protti ◽  
Uéverton S. Souza
Keyword(s):  

2017 ◽  
Vol 42 (4) ◽  
pp. 801-824 ◽  
Author(s):  
Javier Alonso-Mora ◽  
Jonathan A. DeCastro ◽  
Vasumathi Raman ◽  
Daniela Rus ◽  
Hadas Kress-Gazit

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