Withthe flourishing build out of the cloud computing, privacy and security worries of outsourcing data have been increasing to a great extent. Mobile cloud model aids for analyzing the information related with patien...
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ISBN:
(纸本)9781728140421
Withthe flourishing build out of the cloud computing, privacy and security worries of outsourcing data have been increasing to a great extent. Mobile cloud model aids for analyzing the information related with patients data and to give recommendations in healthcare applications. A fine-grained level access management of multi-server cloud information is very essential requirement accomplishing and for implementation of end users application, in mobile cloud computing. Present paper is to illustrate collective focus of fine grained access control of clouds based servers information besides a incontrovertibly mobile cloud users validation system of healthcare industry using ABE algorithm. We as a proposed system will use an auditing technique for fraud detection of data on cloud side. Initially distributed modular and distinguished construction of large-scale virtual mechanisms behavior is illustrated based on distributed monitoring agent and later on feasible, appropriate parallel trust computing system is presented for large data. Evaluation of analysis and results of the experiment confirms the practicability and efficiency of system proposed.
In this paper, we propose the distributed algorithm for joint optimal cross-layer design in multi-radio multi-channel multi-hop networks. the main objective of this work is to joint optimize injected rate and resource...
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the join operation is a common but expensive operation in many data analysis processes. Despite lots of work on optimizing distributed joins in data-parallel processing platforms, there is still room to improve its pe...
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ISBN:
(纸本)9781665414852
the join operation is a common but expensive operation in many data analysis processes. Despite lots of work on optimizing distributed joins in data-parallel processing platforms, there is still room to improve its performance, especially in repeated join operations and skewed data. Repeated join is an operation used in many services, where the same join operation is repeated multiple times by different users. Moreover, due to skewed data, joins may create uneven load distribution over the workers that harms the performance. Our goal is to improve the performance of repeated distributed joins on massive data with respect to execution time and network traffic. To this end, we present SMBJois, a framework-agnostic join operation that reduces execution time and network traffic by 50% and 17%, respectively, compared to the distributed hash-join operation after five joins. We also present SMBJOINSKEwED, a variant of SMBJois, which is particularly robust for different degrees of skewness, and show that it outperforms the distributed hash-join operation. For example, for a medium degree of skewness, SMBJOINSKEwED reduces execution time and network traffic by 34% and 5%, respectively, compared to the distributed hash-join operation after five joins.
the proceedings contain 8 papers. the special focus in this conference is on Algorithmic Aspects of Cloud computing. the topics include: Coordinated Data Flow Control in IoT Networks;a Monitoring System for Distribute...
ISBN:
(纸本)9783030586270
the proceedings contain 8 papers. the special focus in this conference is on Algorithmic Aspects of Cloud computing. the topics include: Coordinated Data Flow Control in IoT Networks;a Monitoring System for distributed Edge Infrastructures with Decentralized Coordination;a Container-Driven Approach for Resource Provisioning in Edge-Fog Cloud;self-adaptive Container Deployment in the Fog: A Survey;security-Aware Database Migration Planning;scalable and Hierarchical distributed Data Structures for Efficient Big Data Management.
Reliable distributed data storage systems have to employ redundancy codes to tolerate the loss of storages. Many appropriate codes and algorithms can be found in the literature, but efficient schemes for tolerating se...
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ISBN:
(纸本)0769526403
Reliable distributed data storage systems have to employ redundancy codes to tolerate the loss of storages. Many appropriate codes and algorithms can be found in the literature, but efficient schemes for tolerating several storage failures and their embedding in a distributed system are still research issues. In this paper, a variety of redundancy schemes are compared that got implemented in a distributed storage system. All schemes are based on parity and Reed/Solomon and are integrated in the storage system NetRAID. this system allows to configure several user-specified layouts. A performance and reliability analysis of several data and redundancy layouts is presented that combines analytical and experimental results. In a detail, we present performance results for an optimized Reed/Solomon implementation and give an outline for speeding up encoding and recovery by reconfigurable hardware employed in the distributed storage system.
Withthe advent of fast advancing microprocessor technology, software designers and users in various fields tend to use distributed software to solve real world problems. the researchers already worked on the issues r...
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ISBN:
(纸本)9781728106465
Withthe advent of fast advancing microprocessor technology, software designers and users in various fields tend to use distributed software to solve real world problems. the researchers already worked on the issues regarding the distributed systems. Now, in this work, we identify and address the design issues underlying distributed software. Before this, we give the motivation behind the development of distributed software and describe the objectives that should be addressed when dealt withthe issues of distributed software. Further, we carefully analyze and locate constraints related to identified issues, that become associated challenges in the context of the objectives governing the distribution idea.
this paper describes the design and development of a distributed robotic system. Each subsystem is built, tested separately and then integrated, using middleware standard, CORBA. Using middleware reduces the burden of...
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ISBN:
(纸本)1889335231
this paper describes the design and development of a distributed robotic system. Each subsystem is built, tested separately and then integrated, using middleware standard, CORBA. Using middleware reduces the burden of network programming, error, and complication of integration, and increases reusability and portability. CORBA is the major and leading standard for distributed platforms. Our approach is to deploy CORBA to integrate distributed robotic and automatic control systems. To show the feasibility of our system, small blocks are grasped and moved by the manipulator robot.
We are beginning to see distributed dynamic workflow management systems being implemented using CORBA services. However these systems do not use events as the mechanism for co-ordinating workflows. Instead workflow co...
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ISBN:
(纸本)0769506348
We are beginning to see distributed dynamic workflow management systems being implemented using CORBA services. However these systems do not use events as the mechanism for co-ordinating workflows. Instead workflow components use messages to communicate with each other;thereby resulting in tightly coupled systems. We investigate the use of events as the co-ordinating mechanism for implementing dynamic event-based workflow solutions using existing CORBA services. this paper shows the limitations of the CORBA Event Service for dynamic workflow solutions based on a prototype implementation and proposes a more specialised Workflow Event Channel (WEC) that overcomes these limitations. A CORBA implementation of the WEC design enables event based workflow execution environments within a CORBA framework.
Maximizing parallelism and minimizing communication overheads are important issues on distributed-memory systems. this paper presents a communication optimization technique named redundant computation partitioning, an...
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distributed Hash Tables (DHTs) provide a scalable mechanism for mapping identifiers to socket addresses. As each peer in the network can initiate lookup requests, a DHT has to process concurrently a potentially very l...
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ISBN:
(纸本)0769526403
distributed Hash Tables (DHTs) provide a scalable mechanism for mapping identifiers to socket addresses. As each peer in the network can initiate lookup requests, a DHT has to process concurrently a potentially very large number of requests. In this paper, we look at congestion control for DHTs. Our goal is to control the flow of lookup requests that are routed in the overlay network. We first show that congestion control is essential for certain applications with high lookup rates. We then present two congestion control mechanisms for DHTs and compare their performances in different network conditions.
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