Cloud Computing: Is the dedicated server dead?
March 3, 2014
Grazed from TechRadar. Author: Editorial Staff.
Virtualisation and cloud computing technologies deliver services that perform exactly like a dedicated server; but are more reliable, flexible, scalable, offer more management features and simply cost less. As more web services and applications move over to cloud-based virtual servers, you have to wonder if this spells the end of the traditional dedicated server.
Flexibility and scalability
Dedicated servers do not scale the way a virtual machine on a good cloud platform can; they are designed to provide a set amount of resources and the only realistic way of scaling their computing power is to add additional servers and balance the load across multiple servers (which usually requires some changes to your application) or to increase the resources on the dedicated server (which will involve downtime while the physical components are changed). In contrast, scaling is what cloud hosting does best. Adding more CPU, RAM or storage can be done with zero downtime and through your own control panel. Similarly, adding additional virtual servers is also at the click of a button…
Management and reliability
Management of a server is often the most costly element. Maintenance of the hardware usually requires additional service level agreements for parts replacements, while for high availability you need a second dedicated server as well as load balancers, multiple firewalls, switches, etc…
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