"Networked services and applications have emerged as the most popular solutions architecture in the enterprise today. Distributed solutions, Service Oriented Architectures, IP based services with their striking cost advantage, global partnerships and collaboration place enormous stress on the underlying network infrastructure.
Taking all of these together and you have an operational network environment that can play havoc with networked application performance because of dependencies, interactions, and behavior that cannot possibly be replicated in a development environment. To meet the high expectations and rigorous demands of today's global competition, networked services must be rigorously tested under a range of conditions to assure performance. Accurate physical reproduction of global network conditions is prohibitively expensive in terms of resources and time for even the largest enterprise.
Yet, testing must be done.
Virtually no enterprise has escaped the experience of data center relocation and/or consolidation. As noted above, these can cause tremendous disruption in services even when done in planned stages and even with provision made for extra resources in terms of processor power and bandwidth during transitional periods.
Shunra provides the enterprise with a solution to the testing dilemma with its Shunra VE network simulation product which includes a rich library of operational models in a comprehensive, integrated, easy-to-use automated modeling, analysis and performance evaluation tool. With Shunra's VE 5.0, enterprise IT professionals can use simulations to create, test, and evaluate changes in application architectures, network configurations, and data center setup and locations under wide range of operational conditions." Rich Ptak (April 2007)
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