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Nastel is a recognized market leader in providing solutions for application performance monitoring and management. Nastel's solutions empower IT teams to consistently assure high performance and availability of business applications. Nastel's AutoPilot Suite of software rapidly identifies, resolves and prevents costly performance bottlenecks and failures by providing visibility into performance of critical business processes relying on SOA and middleware infrastructure. Through Nastel's AutoPilot suite and a vast array of plug-ins (ranging from Java applications, WebSphere MQ and WMB, TIBCO EMS, ESB and J2EE platforms, such as WebSphere Application Server, WebLogic, JBoss, Oracle 10g, etc.), IT and Application Support teams can control and see performance bottlenecks in parts of the SOA and EAI infrastructure that they can't ordinarily see. Our clients include some ... (more)

SOA Product Review: Intel XML Software Suite 1.1

The one thing that unifies the distributed computing style known as SOA, in most of its manifestations, is self-describing data via the Extensible Markup Language (XML). The benefits of XML over opaque message formats in data interchange are well established. No matter if your focus is SOAP, REST, POX, or syndication with RSS or ATOM, your applications will revolve around XML processing. The bane of XML has always been the overhead of processing it in terms of memory and CPU consumption - parsing documents, performing XML Schema validation, searching for elements with XPath, and ... (more)

EVENT Management & Enterprise JavaBeans

This is the first in a two-part series on Event management in large distributed applications built on top of Enterprise JavaBeans (EJB). This installment will cover the architecture and the implementation of a local (single VM) version of the event distribution system. The second article will implement an EJB version of the system that will handle distributed events from remote VMs. One of the goals of Enterprise JavaBeans is to make it easy to write applications. Application developers won't have to understand low-level transaction and state management details, multithreading, r... (more)

WebLogic Server on the Mainframe

Integration is the biggest challenge facing IT organizations. The glass house controls much of the business-critical data in the enterprise, and traditional integration tactics, while complex and often proprietary, are still king. However, more convenient, aggregated, and flexible access to this data is requested and often required by the business side to extend, or at least defend, competitive advantage. Customers and users expect more access, better services, and more current data, and a company's competitors are just a click away. Fortunately, products such as the BEA WebLogi... (more)

Scaling AJAX Applications Using Asynchronous Servlets

The advent of AJAX as a Web application model is significantly changing the traffic profile seen on the server side. The typical Web pattern usage of a user sitting idle on a Web page filling out fields and hitting the submit button to the next link is now transforming into sophisticated client-side JavaScript and rich user interfaces that constantly communicate with the server whenever an event is posted on a form such as a checkbox click, key press, or tab focus. Think about the amount of data transmitted from the client to the server. From a usability standpoint, the user ge... (more)

SOA Web Services Journal - Enterprise Data Fabric (EDF)

Performance, scalability, and availability of traditional n-tier architectures have become enormously important to most IT architects. First, most meaningful business processes have at least a few real-time sub-processes, where latency and throughput are extremely critical factors to satisfy the mandated service level agreements. Second, data is becoming a dynamic entity, with an explosive increase in the number and types of data sources. With the advent of industry trends like algorithmic trading in capital markets and Radio Frequency Identification (RFID) in retail supply cha... (more)