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What is cloud computing? Cloud computing is the access to computers and their functionality via the Internet or a local area network. Users of a cloud request this access from a set of web services that manage a pool of computing resources (i.e., machines, network, storage, operating systems, application development environments, application programs). When granted, a fraction of the resources in the pool is dedicated to the requesting user until he or she releases them. It is called "cloud computing" because the user cannot actually see or specify the physical location and organization of the equipment hosting the resources they are ultimately allowed to use. That is, the resources are drawn from a "cloud" of resources when they are granted to a user and returned to the cloud when they are released. A "cloud" is a set of machines and web services that implement cloud computing.

The Fair Scheduler gives each user a configurable share of the cluster when he/she has running jobs, but assigns these resources to other users when the user is inactive.

Some OpenSocial apps can be written entirely with client-side JavaScript and HTML, leveraging the container to serve the page and store application data. In this case, the app can scale effortlessly because the only request hitting your server is for the gadget specification which is typically cached by the container anyway. However, there are lots of reasons to consider using your own server: * Allows you to write code in the programing language of your choice. * Puts you in control of how much application data you can store. * Lets you combine data from users on multiple social networks. * Enables interaction with the OpenSocial REST API. Setting up an OpenSocial app that uses a third party server is fairly simple. There are a few gotchas and caveats, but the real issues come up when your app becomes successful - serving millions of users and sending thousands of requests per second. Apps can grow especially fast on social networks, so before you launch your next social app, you should think about how to scale up quickly if your app takes off. Unfortunately, scaling is a complex problem that's hard to solve quickly and expensive to implement. Luckily, there are several companies that provide cloud computing resources-places you can store data or run processes on virtual machines. These computing solutions manage huge infrastructures so you can focus on your applications and let the "cloud" handle all the requests and data at scale. This tutorial focuses on a simple photo-sharing app that uses a third-party server to host photos and associated metadata. If this app is going to host millions of images and support many requests per second, we won't be able to run it on a single dedicated host. We'll break the app down and analyze the interactions between the OpenSocial App and the back end server. Then we'll implement the app in the cloud, first using Google App Engine, then leveraging Amazon's S3 data storage service. Finally, we'll look at s

Microsoft Office 365 offered by InterCall is a private Cloud solution that allows users to access various applications between multiple users remotely and collaborate in a secure manner.

I have been giving a lot of thought lately to cloud pricing. As an adviser to companies from both sides of the issue -- cloud (IaaS and PaaS) providers and cloud users (and potential users) -- I've had an interesting...

Adobe Connect Pro allows users to conduct virtual meetings, webinars, and eLearning classes efficiently. You can use this technology to communicate any time of day from any location. Adobe Connect Pro is also compatible with a variety of devices - from your desktop computer, to your tablet, to your iPhone, Blackberry or Android.

Adobe Connect Pro allows users to conduct virtual meetings, webinars, and eLearning classes efficiently. You can use this technology to communicate any time of day from any location. Adobe Connect Pro is compatible with almost all devices and With Adobe Connect Pro users can establish meeting rooms.

Audio conferencing services for SMB's offer flexible, powerful, economical, reliable, user friendly and comprehensive set of features to make in-person meeting more engaging and effective.

Audio conferencing services for SMB's offer flexible, powerful, economical, reliable, user friendly and comprehensive set of features to make in-person meeting more engaging and effective.

VMOps develops software that allows companies to launch an elastic computing cloud and offer it as a service to end-users

Another cloud computing provider similar to eucaliptus: VMOps develops software that allows companies to launch an elastic computing cloud and offer it as a service to end-users.

Move running virtual machines from one physical server to another with no impact to end users

For Secure Cloud Computing 3 main basic considerations are : Security and Privacy, Compliance and Legal Issues offered by Cloud service provider. Cloud Services allow users to instantly and wirelessly share information and data between multiple devices faster than ever with advanced security.

Application Performance Management solutions allow more transparency for network administrators identifying the sources of unusual bandwidth requirements or any other interruptions. Cloud Application Performance Management can be firmly paired with a plethora of hosted applications to offer network administrators additional insight into operations and end-users experiences.

Limelight Content Storage is a tool that is employed to speed the delivery of your rich content to the end user and hosts it in the Cloud. Customers today are drawn to media rich websites but these same customers also have very high expectations of websites and do not have the patience to wait for slow video buffering or error messages. With so much business competition out there you need to ensure that your delivery is not detracting clients. If you use Limelight Content Storage your data will have a shorter distance to travel to reach your potential customer.

OpenVPN Cloud Service No Server Hardware No Server Software * No need to deploy any special VPN hardware or appliance * No need to download and install complicated VPN server software * Enabling business users to securely access OpenVPN Cloud resources and applications from anywhere around the globe * Enabling application servers to securely connect to OpenVPN Cloud from anywhere around the globe * Enabling private network or LAN to securely connect to OpenVPN Cloud from anywhere around the globe * Securely manage and monitor your OpenVPN Cloud or use our experts to setup and manage your OpenVPN Cloud network.

designed to provide an inexpensive, preconfigured environment for IT professionals to prototype solutions using their existing applications and includes technical components required to create a robust application delivery center in the cloud. Initially, lab users will have access to Citrix® XenApp™ alongside key Citrix C3 technologies such as Citrix Access Gateway™ and Citrix Repeater™ in the AWS cloud environment

Need a Linux cluster for an hour or two? Powua is a new cloud computing service that uses open source software to allow users to rent up to 64 CPUs for high-demand graphics rendering or scientific applications.

This document is intended to initiate a conversation that will bring together the emerging cloud computing community (both cloud users and cloud providers) around a core set of principles. We believe that these core principles are rooted in the belief that cloud computing should be as open as all other IT technologies.

Announced late last year, Amazon tonight launched load balancing, monitoring, and auto-scaling for the Elastic Compute Cloud (EC2). These features have been requested many times by EC2 users and with this release Amazon continues to show that it listens and responds to feedback.

OpenNebula is a Virtual Infrastructure Manager that orchestrates storage, network and virtualization technologies to enable the dynamic placement of multi-tier services (groups of interconnected virtual machines) on distributed infrastructures, combining both data center resources and remote cloud resources, according to allocation policies. OpenNebula provides internal and Cloud administration and user interfaces for the full management of the Cloud platform.

The Exchange Server, users can connect via a variety of devices to view their entire mailbox and seamlessly synchronize across platforms and devices.