地理信息学与地统计学：概述

Cloud Computing – next destination of geospatial and geoinformation system

Gowthami Bainabaina*

GIS Cloud is perfect tool for upgrade conventional GIS applications by providing a broad spectrum of services to users across the world, Cloud computing is similar with concept of a utility in which an organization can sign in virtual environment and use the computing resources available as-required basis, Cloud computing have five key characteristics on-demand self-service; rapid elasticity; locationindependent resource pooling; ubiquitous network access; and payper-use, and [1]three delivery models like SaaS — software as a service, PaaS — platform as a service, and IaaS — infrastructure as a service and also four deployment models - private, public, community, and hybrid. Cloud computing have global approach and encompasses the entire computing stack. It provides a variety of services, ranging from the end-users hosting their personal data on the Internet to enterprises outsourcing their entire IT infrastructure to external data centers. Service Level Agreements which include Quality of Service requirements, are set up between customers and cloud providers