multi-tier web server clusters






SISO PIDF controller in an energy-efficient multi-tier web server cluster for e-commerce
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In this paper we describe a simplified way to implement performance control in a multi-tier computing system designed for e-commerce applications. We show that the simpler SISO (Single Input Single Output) controller, rather than a more complex distributed or centralized

In Search of Alternative Uses of Byte-Addressable Non-Volatile RAM: A Case Study of a Green Web Server Cluster
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ABSTRACT Non-Volatile RAM (NVRAM) has both characteristics of non-volatility and random byte addressability. The advent of NVRAM can bring about novel and innovative features that are not possible in conventional computing systems. The work presented here

Web Delay Analysis and Reduction by Use of Load Balancing of a Dispatcher-based Web Server Cluster .
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The loading of web servers can be very heavy and a delay in accessing certain Web sites can be substantial. Hence, the reduction of web delay is one of the important topics of research for improving the quality of service of Web pages. Thus, in this paper, we propose

Scalability of content-aware server switches for cluster -based Web information systems
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ABSTRACT A cluster -based architecture with a front-end Web switch and locally distributed servers seems the most appreciated solution to face the ever increasing demand for complex services offered through Web interfaces. The complexity of the novel services is

A subtractive relational fuzzy c-medoids clustering approach to cluster web user sessions from web server logs
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In this paper, a subtractive relational fuzzy c-medoids clustering approach is discussed to identify web user session clusters from weblogs, based on their browsing behavior. In this approach, the internal arrangement of data along with the density of pairwise dissimilarity

Research and Implement of High Availability for Web Server Cluster System
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With the fast development of the Internet, a great deal of data must be transfer and dispose. But because the web servers cant deal with the request in time, it will cause the answer lag behind and the request loss. This paper brings forward a method to insure the high

A Survey on a Content Based Dynamic Load Balancing Algorithm for Heterogeneous Web Server Cluster
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In computing, load balancing distributes workloads across multiple computing resources, such as computers, a computer cluster , network links, central processing units, or disk drives. Load balancing aims to optimize resource use, maximize throughput, minimize

Optimization of Cluster Web Server Scheduling from Site Access Statistics
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In order to satisfy high volume of site accesses, cluster of web servers have been widely deployed by many popular web sites. This paper reviews a number of parallel web server architectures and proposes a method for calculating the server scheduling weights for

A System for Resource Sharing and Control of a Cluster -Based Web Server Farm
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Web hosting services provide access to their server farms on behalf of large numbers of different customers. The users who connect to the Web sites of those customers drive the comsumption of a variety of resources, like network bandwidth, that are shared by the entire

Design and implementation of a scalable Web server cluster
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In this paper, we describe the design and implementation of a Web server cluster . We first discuss the design criteria of a good server cluster . Based on the criteria, we present the design of our proposed Web server cluster which consists of a central server and multiple

NDLB: Nearest Dispatcher Load Balancing approach for Web Server Cluster
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With the growing popularity of web based applications, the primary and consistent resource in the infrastructure of World Wide Web are web server clusters. Overtly in dynamic contents and database driven applications, especially at heavy load circumstances, the performance

Energy-saving Scheme of Cluster -based Embedded Web Server
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In this paper, we present an energy-efficient mechanism for cluster -based embedded web server , which is applied in cluster -based embedded web platform based on Linux. This paper discusses energy-efficient policies of front end and back end in cluster platform

An Adaptive and Intelligent Controller for Cluster -based Web Server
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Nowadays, it is often desirable to isolate performance of different services and classes of requests from each other. A lot of works have been done on the controller of standalone server to allocate resources for different classes of requests. However, web contents and

RETRIEVAL OF FILES FROM CLUSTER BASED WEB SERVER
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State-of-the-art cluster -based data centers consisting of three tiers ( Web server , application server , and database server ) are being used to host complex Web services such as e- commerce applications. The application server handles dynamic and sensitive Web

Design of Proportional Delay Guarantee Controller of a Cluster -Based Web Server
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PI Controller has attracted researchers in industrial control process because of its simplicity and robust performance in a wide range of operating conditions. It has been used to provide proportional delay differentiation on web servers in previous work. Besides PI controller

DCWSLBQ: DYNAMIC CONTENT BASED WEB SERVER LOAD BALANCING QUEUE ALGORITHM FOR HETEROGENEOUS WEB CLUSTER .
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Load balancing is the way toward circulating workload crosswise over different gadgets on a system in networking. It expects to limit reaction time, expand throughput, upgrade asset and maintain a strategic distance from over-burden of any single asset. To deal with secure

Enhancing the Performance of Web Proxy Server and Cluster the Data using Fuzzy C-Means Algorithm
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A web cache (or HTTP cache) is an information technology for the temporary storage (caching) of web documents, such as HTML pages and images, to reduce bandwidth usage, server load, and perceived lag. The web cache proxy server can serve cached content much

Detecting Anomalies in Log Data from Apache Web Server by Means of Cluster Analysis
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Anomalies are unexpected frequently repeating patterns and alerts in the data which often are not easily classified. They indicate that the system either contains some malfunctions, or it has been illegally accessed. To eliminate the probability of (successful)

Scalable Contents-based Web Cluster Server with Self-Processing Web Switch
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This paper describes the motivation, design and performance of web cluster server with self- processing web switch for enhanced packet throughput. The goal of the proposed web cluster server is to provide a framework for building highly scalable, fault-tolerant services

A Power and Performance Management Simulation Platform for Web Application Server Cluster
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Web application server cluster has been widely used to improve the performance of web application servers. Because web load is highly variable, we need to dynamically manage clusters deployment so as to reduce power consumption and meanwhile satisfy load CSE PROJECTS

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