Tag Archive | "Performance Testing"
Building Applications for a Remote Datacenter Part 2 Application Efficiency Metrics
In the previous post we identified the Wide Area Network and the impairments that it introduces as a key reason for why a local user (let’s say in NYC) experiences a faster application than a user that is remote to his datacenter (let’s say in Tokyo). I also presented a question to the group: “We [...]
Continue reading...A Data Driven Transactional Application A glossary post
Thursday, November 5, 2009
A data driven transactional application supports the execution of business processes. Each business process (such as book sale, update employee status, submit work hours, etc.) is comprised of multiple business transactions. A business transaction is described as the interaction and managed outcome of a well-defined step within a business process. A transaction is usually triggered [...]
Continue reading...Analyzing and remediating latency sensitive applications part 1
Thursday, August 20, 2009
Examples of latency sensitive applications In the previous post http://www.shunra.com/shunrablog/index.php/2009/08/14/data-center-relocation-questions-and-answers-part-1/ I shared some of the questions that clients typically ask me during the performance analysis service in a data center relocation project. One of the most popular question, especially at the beginning of the project is “which applications are the most sensitive to network latency?”. [...]
Continue reading...Data Center Relocation Questions and Answers Part 1
Friday, August 14, 2009
In my line of work, I get to assist many clients with analyzing the impact of an upcoming data center relocation on the performance of business applications. Many clients don’t know exactly what application performance to expect post the data center move. The main concern is that once all the applications start to operate across [...]
Continue reading...Business Process Performance Monitoring – A WAN Emulation Solution
Friday, July 10, 2009
Recently I was brainstorming with an insurance company for ways we could help them reduce their costs for business process (application) performance monitoring by introducing WAN emulation into their environment. The problem was that they had thousands of locations accessing a wide variety (250+) applications. Being an insurance company, most of the applications really were [...]
Continue reading...Testing for a “Snow Day”
Wednesday, February 25, 2009
The BBC reported recently that British technology was pushed to the extreme as the Southern part of England, including the London metropolitan area, was blanketed by a rare snow storm. In London, bus services were canceled and hundreds of thousands turned to the web to find alternative means of transportation. Web sites for train and taxi [...]
Continue reading...Federal Stimulus Plan-Billions For IT
Tuesday, February 3, 2009
Details recently released to the public describe the budget and breakdown of spending for the IT portion of the new Federal Stimulus plan. As detailed in the attached article up to 20 billion dollars assigned to Health IT upgrades alone. An additional 6 billion dollars allocated to broadband network refresh. The ability to model WAN [...]
Continue reading...Testing Mobile Applications for Capacity and Scale
Tuesday, February 3, 2009
Only by testing your mobile applications to scale, in a realistic environment can you understand how your application will perform once deployed. Understanding actual or potential problems can help you to know if the application needs to be changed, where the best locations are for your media servers, and how many subscribers you can support at any given time. This data is critical to the competitiveness and success of any mobile application business.
Continue reading...Fast Web Pages Equal Fast Money
Monday, January 26, 2009
Improving application performance over the network is the main goal of most people performing application testing, right? Everyone wants their applications to run well for their end users, after all happy end users = a happy and healthy (low stress and high growth) enterprise. We often deal with web based applications and focus on improving [...]
Continue reading...Web 2.0 impact on Managing Enterprise Applications
Thursday, December 4, 2008
Application development and delivery faces many new challenges for performance testing in a world of Web Services and Web 2.0 technologies such as mash ups. For successful APM, IT executives now need to manage a bigger picture in terms of defined through practices such as ITIL and COBIT. I was reading an article about how a single user, on [...]
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Thursday, November 5, 2009
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