“Managed Hosting” is a popular term in the web hosting industry. It describes a It hosting service provided from a isolated instance – a physical dedicated server or virtual server (VPS). “Managed Hosting” means that the provider is responsible for technical administration of the server, including but not limited to installation, OS installation and maintenance, network administration, security policy, updates, backups, maintenance and trouble shooting of any server-side programs and applications.

Term “Managed Web Hosting” is a broad term, that might or might not refer to “Manage Hosting”. It might would be used to describe in general that a certain type of IT hosting service is managed by the web hosting provider. It could be either physical server (Managed Dedicated Hosting or Managed Dedicated Server), Virtual Server (Managed Virtual Private Server, VPS, Managed VDS) or any custom-buit or clustered system.

For managed service term that applies to Share Hosting, review “What does Managed Shared Web Hosting mean?”.

Cloud Hosting is a Internet hosting service delivered from a Cloud computing generation IT infrastructure. Cloud computing term generally refers to a systems which combine the computing resources of a number of machines in order to provide High Availability, ability to scale up and down the services and more flexibility to the users.

The term Cloud Hosting can be also associated with another one – Clustered hosting. Despite that as of May 2011 the term Cloud Hosting is pretty broad term which is not precisely defined yet, we can consider any hosting service as a “Cloud” if it is delivered from a fully-redundant, multi-server system, in which the resources are dynamically scalable and often virtualized.