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July 18, 2008 Success in ecommerce demands access to high-performance datacenter technology and ecommerce web hosting services that are truly robust, highly scalable, fast, energy efficient, and designed to be supportive of business operations. Online ecommerce companies need an ecommerce web hosting service that allows them to keep their focus on their customers and not be burdened unnecessarily by business operations and technology infrastructure. The next-generation of hosting currently is currently being offered by only a few is soon going to be the norm offered by most ecommerce web hosting companies. Costs will no doubt be a little higher in the beginning until competition, once again, brings affordability. Next-generation hosting services will offer a global hosting platform using virtualization that supports customer relationship management (CRM), decision support systems (DSS), enterprise resource planning (ERP), and application deployments worlwide. Many companies are already demanding these services and want more remote access controls, utilization of virtualization technology for lower cost of infrastruture, high density computer systems and networking capacity. Server virtualization is the masking of server indentity and specifications from users. Server identity and specification include: the number of physical servers, operating systems, installed versions, processors, and other such data about the servers. This virtual environment is virtualization and can be done in three different ways.
This is virtualization at the visitor level. Each online visitor to the server has a virtual limitation and has no knowldege of the operating system that is being used as this is predetermined by the Administrator of the different operating systems. VMware and Microsoft Virtual Server both use virtual machine model. This allows the capability of running multiple operating systems on the same server.
The Paravirtual machine uses the virtual machine model monitoring but it allows for the visitor operating system code to be modified by the Virtual Machine Monitor (VMM), referred to as porting. This allows the capability of running multiple operating systems on the same server, but porting supports VMM so it can utilize privileged system calls when running multiple operating systems.
In this method, the operating system runs a single kernel for the visitor as its core and allocates the operating system functionality to each visitor, as a distributed systems architecture. This eliminates systems calls and CPU usage dramatically. Server virtualization is based on the desire to improve efficiency of the enterprise level infrastructure and hence reduce costs and improve speed and availability to end user by making provision of storage and access streamlined with network virtualization and workload management. The future of ecommerce web hosting will incorporate more 'virtualization'. That's for sure.
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