Desktop Channel Types

Configuration of the portal desktop can make a difference in portal server performance. While designing a portal desktop, the baseline data should be referenced as a starting point to guide through the desktop design process. A feature rich desktop is good to entice users to your portal, but you should consider the portal response time for an overall user experience. It is necessary to keep the desktop within a defined performance envelope. Types of channels used on the desktop make a huge difference. Some channels are considered cheap and others categorized as expensive . Cheap channels are the ones that when added do not affect performance and in contrast adding expensive channels will show some performance degradation. In general, the expensive channels are those that require a back-end service or are computationally expensive. It is generally advised to use connection pooling mechanisms for these. Adding a URL scrapper channel to the desktop generally shows almost no impact on throughput.