Difference between Cloud and SAAS

Table of Contents

Key Difference: Cloud refers to a pool of configurable computing resources like networks, servers, storage, applications and services. The pool provides an on-demand access to these resources. The term is widely used in context of new architecture of networked systems that works as an on-demand model. SAAS refers to software as a service. It is an application delivery model based on the cloud architecture. A user rents or borrows the software over the internet through the cloud and uses them for his own purposes.

Cloud can be defined as an utility which is related to the field of computing. Cloud refers to a pool of configurable computing resources like networks, servers, storage, applications and services that provides an on-demand access to these resources. These servers are associated with various types of services that are provided through the internet. Cloud works as an on-demand model which means that the user only needs to pay for specific services that he requires.

SAAS refers to software as a service. It is an application delivery model based on the cloud architecture. A user rents or borrows software over the interner and uses them for his own purposes. The actual purchasing and installation of the softwares is not required in this kind of service. It is a flavor of cloud computing. Today, many providers are part of this utility style infrastructure business. A single application is delivered to many customers by using a multitenant architecture. The user can simple avail the services by using a browser. It reduces the upfront investments on servers or software licensing.

Comparison between Cloud and SAAS:

	Cloud	SAAS
Definition	Cloud refers to a pool of configurable computing resources like networks, servers, storage, applications and services that provides an on-demand access to these resources.	SAAS refers to software as a service. It is an application delivery model. A user rents or borrows software over the internet and uses them for his own purposes.
Characteristics	On demand self service Broad network access Resource pooling Rapid elasticity Measured service	Configurability Multi-tenant efficiency Scalability
Types	Public Cloud – open for use by general publc. Private Cloud- exists within the boundaries of an organization Hybrid Cloud – a mix of private and public clods. Some critical applications are managed by an organization.	Packaged Software – They serve specific purposes like CRM, HR, etc. Collaborative Software - It includes software that focuses on all sorts of collaborative efforts including Web conferencing, document collaboration, project planning, instant messaging, and even email. Enabling and management tools – It considers the issues related to the developers like development tools required for the extension.
Advantages	Cost savings Scalability Innovation Convenience Location Independence Optimal Resource Utilization	Cost savings Accessibility Upgradeability Resilience
Deliverable	Computing as a utility	An application as a utility

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