Cloud Computing

On the Internet, the primary protection mechanism is encryption. Cloud providers use encryption such as Advanced Encryption Standards (AES) and Triple Data Encryption Standards (3DES) to ensure a standard of security in their environments. Encryption is often used with identity management. To avoid exposure to a user’s identity and to …

INTRODUCTION In this lesson, different cloud types will be compared to identify which type is best suited to meet an organization’s business needs. Technical details of new and/or previously discussed cloud components and features will also be explained.  Cloud service providers will often adopt technical standards to ensure its customer …

Cloud Computing Security Issues Just as many companies and organizations are attentive and responsive to security concerns within their private networks, there are also security concerns when moving to a cloud environment. One of the biggest security issues that cloud service providers must address is access. The question facing service …

The fundamental goal of most businesses is to make money: profit. Without profit, the business is either a charity or a hobby. So one sees the impetus for a business to minimize expenses and maximize revenue. Where does cloud computing fit into this conversation? Let us look at business first, …

OSI Model The structure of the Internet is modeled on the Open Systems Interconnection (OSI) model. The OSI model is a framework used for all communications in the cloud. The OSI model represents the interfaces and protocols used to communicate between devices. Every network device must adhere to the rules …

Cloud Computing – Business Fundamentals Service providers build DCs to house the people and equipment needed to service their clients. As seen in Figure 1, the typical DC contains servers, routers, switches, firewalls, SANs, and other equipment as seen in Figure 1. It is not unusual for one DC to …

Definition of Cloud Computing The U.S. Department of Commerce, National Institute of Standards and Technology (NIST) defines cloud computing in their Special Publication 800-145 as follows:  Cloud computing is a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, …

Cloud Computing Benefits Cloud computing enables a service provider to host multiple applications from a variety of customers (multi-tenancy) while pooling other resources in the DC environment to process different tasks. To the client, they have a DC to themselves. Cloud computing greatly reduces the need for organizations to spend …

Before we get too far ahead of ourselves, let us back up and establish some fundamentals. A fundamental aspect of cloud computing is that it involves a network, and more specifically, the Internet. If we were to examine our own connectivity to the Internet, we see that browsers are the …

Introduction Virtualization provides the bridge between how information technology services are delivered in the current data center environment to how those same services and applications are delivered in a cloud environment. Understanding virtualization is critical to understanding cloud computing. Cloud computing is the model for enabling on-demand network access to …