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Performance Study - Abstract:
Web portals are ubiquitous in the enterprise and across the Internet today and have become the de facto approach for offering services, ranging from web facing ecommerce, to customer self-service, to corporate portals that are central to daily employee productivity. Portals typically provide a central, session-based, authenticated interaction with multiple internal subsystems, covering a wide range of user operations. 

Since portals typically provide a central interaction point between a user and a business-critical set of functionality, response time and availability metrics are key to proper portal operations. In this paper we will review performance metrics for a transaction-centric, Web portal application under specific service level agreements (SLAs).