Patrick Chang

Enterprise portals are fast becoming the foundation of the Web-based economy thanks to their ability to give enterprises, trading partners, and customers global access to enterprise applications, back-office systems, and IT infrastructures. This ability has made enterprise portals appealing as the infrastructure of choice for enterprise IT organizations and has helped organizations justify the considerable expense of migrating from legacy systems. However, what Web-based systems, such as portals, gain in global access and economy, they can sacrifice in stability and manageability compared to traditional closed, point-to-point systems. Portals are subject to the availability and performance problems that come with reliance on a Web-based infrastructure that is publicly ... (more)

SOA Performance: Monitoring Bottlenecks in an Ultra-Heterogeneous Environment

To state the obvious: with mission-critical applications, your mission will fail around the same time your applications do. This truism is of immediate concern to .NET developers involved with Service Oriented Architectures (SOA), the loosely coupled software services that now support all kinds of business processes, including supply chains and customer-facing online applications. Failur... (more)