Three types of cloud computing are infrastructure as a service (IaaS), platform as a service (PaaS), and software as a service (SaaS). IaaS is renting hardware, data center space, and servers. This is beneficial to the business because they can have access to the latest devices without having to pay the full cost for them, which will depreciate as time goes on. PaaS is renting a platform, hardware and software. The applications that run can be newly formed or off the shelf. SaaS is renting software that is accessed from the internet. The provider handles patches, bug fixes, and software licencing. Access to the cloud is beneficial to businesses in a few different ways. The depriciation of hardware and software does not fall on the business. Security issues are handled by the provider, which means the business does not have to pay for in house IT. Private cloud computing is where hardware, software, and storage are all dedicated to a single client or business. Public computing is buying a part of a server that is also used by toher client’s or business’s. This type of environment is usually for applications where security is less of an issue because the data being stored does not contain private or confidential information. When looking at cloud vs VPN the advantages seem to be with the cloud. A VPN requires the business to keep the hardware up to date as well as security issues associated with the hardware and access. In a cloud environment the provider has the responsibility of handeling the security and the
