Scalability is a process which is describes the ability of a process, network, software or organization to grow and manage increased demand. Scalability is the best feature in which all the business companies are fulfillments the requirement of the clients according to the performance of company and it is more adaptable to the changing needs or demands of its users or clients. Scalability is often a sign of stability and competitiveness means that the network, system, software or organization is ready to handle the influx of demand, increased productivity, trends, changing needs and even presence or introduction of new competitors. It is the ability of a computer application or product to updating the product information when it is changed in size or volume in order to meet a user need.