Cloud ComputingToday
14 Oct 2009
Post brought you by: HP Pavilion DV1600 Batteries
Expression often meeting recently “calculations in clouds” is not that it is represented at first sight. Cloudy calculations is a literal translation from English cloud computing, meaning such technology of data processing at which use the software is used by the user as Internet service, without installation on the working computer of the user. “Cloud” metaphorically name a network the Internet, meaning, obviously, the Internet fog as essence. Therefore, calculations in a fog »would become probably, best terms«. On hearing fog computing sounds quite harmoniously. We patent.
Types of cloudy calculations
Considering treatment more widely, «cloudy calculations» mean allocation by the term not only a software component, together with material resources and an infrastructure.
In all designations aaS – “as a service” – that is «as service» or «in the form of service».
SaaS (Software-aaS), or the software in the form of services – a variant, at which prodrazumevaetsja use any concrete ON, as service. The similar concept had abbreviation ASP (Application Service Provider). As the sample free SaaS it is possible to consider Google Docs.
PaaS (Platform-aaS) – unlike SaaS, represents a variant for developers. In a cloud some set of programs, the basic services and libraries on which basis it is offered to create the applications functions. Most a vivid example – a platform for application creation Google AppEngine.
HaaS (Hardware-aaS) – one of the first terms meaning allocation of some base “iron” functions and resources in the form of services. From direct hire of the equipment differs application virtualizatsii. That is the client receiving service receives not any concrete server or, say, disk capacity, and abstract essence like processor capacity which, however, can be expressed including in number of servers.
IaaS (Infrastructure-aaS) – infrastructure allocation.
СaaS (Communication-aaS) -