MODULE II Cloud Computing Architecture Chapters 4 Prepared

MODULE – II Cloud Computing Architecture Chapters – 4 Prepared By: Prof S. R. Patil

4. 1 Introduction Utility-oriented data centers Services to end users: a virtual machine manager, a development platform, or a specific application middleware. “Cloud computing is a utility- oriented and Internetcentric way of delivering IT services on demand”

The cloud reference model Architecture

Cloud infrastructure can be heterogeneous in nature because a variety of resources ISV(Independent software vendor) The physical infrastructure is managed by the core middleware At the bottom of the stack, virtualization technologies are used Infrastructure management is the key function of core middleware Web-based interfaces

Infrastructure- and hardware-as-aservice

Paa. S

Paa. S Classification

Charactrstics of Paa. S Solution Runtime framework Abstraction Automation Cloud services

Software as a service (Saa. S) is a software delivery model that provides access to applications through the Internet as a Web-based service Application website One-to-many software delivery madel CRM, ERP ASP Characteristics: *The product sold to customer is application access. *The application is centrally managed. *The service delivered is one-to-many *The service delivered is an integrated solution delivered on the contract

Benefits of Saa. S Software cost reduction and total cost of ownership (TCO) were paramount Service-level improvements Rapid implementation Standalone and configurable applications Rudimentary application and data integration Subscription and pay-as-you-go (PAYG) pricing

Types of Cloud Public cloud Private cloud Hybrid cloud Community cloud

Private Cloud

Hybrid cloud

Community cloud Media industry Healthcare industry Energy and other core industries Public sector Scientific research