IDC Predicts Strong User Demand for New Managed Services

Research firm IDC reports increased dependence on network- delivered services based on a survey of IT managers and their use of xSP services released on June 27. The survey, U.S. Customer Demand for xSP - Delivered Infor- mation Technology Services, reports Web hosting remains the most widely used and delivered service, but only 5 percent of respon- dents are considering increased spending for it.

Instead, future service spending will be in new areas, IDC pre- dicts. Customers will demand premium service and support from xSPs. The two highest-ranked factors influencing customers in their service provider selection are a company’s ability to deliver on its service-level agreements and ability to offer excellent customer ser- vice, said Laurie Seymour, IDC’s xSP program manager. “Those xSPs that focus their mantra around servicing custom- ers in ways that ‘break the sound barrier’

LoadRunner

LoadRunner is a performance and load testing product by Hewlett-Packard (since it acquired Mercury Interactive in November 2006) for examining system  performance, while generating actual load. LoadRunner can emulate hundreds or thousands of concurrent users to put the application through the rigors of real-life user loads, while collecting information from key infrastructure components (Web server, database servers etc). The results can then be analysed in detail, to explore the reasons for particular behaviour

Consider the client-side application for an automated teller machine (ATM). Although each client is connected to a server, in total there may be hundreds of ATMs open to the public. There may be some peak times — such as 10 a.m. Monday, the start of the work week — during which the load is much higher than normal. In order to test such situations, it is not practical to have a testbed of hundreds of ATMs. So, given an ATM simulator and a computer system with LoadRunner, one can simulate a large number of users accessing the server simultaneously. Once activities have been defined, they are repeatable. After debugging a problem in the application, managers can check whether the problem persists by reproducing the same situation, with the same type of user interaction.

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