Optimal Location of Web Servers
نویسندگان
چکیده
The problem of optimally locating web servers across the Internet is considered. Assuming that the user demand forecast is known, the objective is to minimize cost, subject to satisfying performance requirements of customers (that access the web servers) in terms of throughput and latency thresholds. To solve the optimization problem, three heuristics are considered: greedy heuristic, DEJAVU algorithm and genetic algorithm. They are compared against each other for solution quality and speed.
منابع مشابه
Load Balancing Approaches for Web Servers: A Survey of Recent Trends
Numerous works has been done for load balancing of web servers in grid environment. Reason behinds popularity of grid environment is to allow accessing distributed resources which are located at remote locations. For effective utilization, load must be balanced among all resources. Importance of load balancing is discussed by distinguishing the system between without load balancing and with loa...
متن کاملPerformance analysis and optimization of web proxy servers and mirror sites
In this paper, web proxy servers and mirror sites that cache either partial or complete information of their parent web servers are considered. These proxy servers are usually located strategically, for example near high-user-demand locations. Using proxy servers would significantly reduce latency for the users in retrieving information as well as alleviate congestion in the network. The main p...
متن کاملMaximal covering location-allocation problem with M/M/k queuing system and side constraints
We consider the maximal covering location-allocation problem with multiple servers. The objective is to maximize the population covered, subject to constraints on the number of service centers, total number of servers in all centers, and the average waiting time at each center. Each center operates as an M/M/k queuing system with variable number of servers. The total costs of establishing cen...
متن کاملبررسی تأثیرات رایانش ابری بر یادگیری الکترونیکی
In the world of training, online training is introduced as a modern model of training services. Cloud computing is a modern technology which is provided software, infrastructure and platform as internet. Also, online training is introduced as a modern model of training services on the web. In this research, the impact of cloud computing on e-learning on the case of Mehralborz online university ...
متن کاملSocially Optimal Location of Facilities with Fixed Servers, Stochastic Demand and Congestion
We present two capacity choice scenarios for the socially optimal location of facilities with fixed servers, stochastic demand and congestion. Walk-in health clinics, motor vehicle inspection stations, automobile emissions testing stations, and internal service systems are motivating examples of such facilities. The choice of locations for such facilities influences not only distances for users...
متن کامل