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Virtual Hosting
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Designed to work in either Workscape's global data centers or behind a client's firewall, the Workscape Virtual Hosting product was developed to create a virtual server environment that is complete with the operating system, applications and resources. Images are easily transferable from one physical server to another and multiple instances of an application can be run on the same hardware, yet with the total isolation and protection of each environment. This innovative approach provides a highly efficient mechanism for quickly, and cost effectively, adding capacity for new on-demand clients that are utilizing Workscape's hosting environments.
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"Virtual Hosting" refers to the practice of serving Web sites from CWIS (the Campus-Wide Information Server) which appear to be hosted elsewhere. For example, a site stored on CWIS at www.usc.edu/schools/xxx could be virtually hosted at xxx.usc.edu. The server displays the Web pages from the directory at www.usc.edu/schools/xxx as though they were stored at the non-existent server xxx.usc.edu. All of which is transparent to the Web user.
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During development and testing, it is often inconvenient or impossible to use real virtual host names that are registered as internet sites, and resolve to an internet-available IP address. OS-level features on the test client machine can be used to map a virtual host name to an IP address.
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Virtual Hosting is now available on ROHAN for department and student organization accounts. For example: if you currently have a web page at URL - http://rohan.sdsu.edu/dept/infosys/index.html, an alias can be set up so that users can go to an easier URL - http://infosys.sdsu.edu.
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Each Resin instance can serve many virtual hosts. The virtual host will have its own servlets and documents. For greater isolation, you can configure each virtual host to have its own JVM and you can have all the virtual hosts controlled by a single web server.
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Online virtual hosting packages are very common these days which offer a professional look for personal and small business websites. Usually, the monthly charges of these virtual hosting accounts range from fifteen to thirteen dollars. Additional fees are charged with the inclusion of advanced features such as SSL functionality or database software.
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