In well known traditional model of computing the user’s computer contains both data and software and the processing is performed locally.
Once an Internet Protocol connection is established among several computers, it is possible to share services within any one of the following layers.
Client consists of hardware and software that relies on cloud computing for application delivery, like tablets, some computers, smart phones, terminal devices, operating systems and browsers.
Cloud computing application services or SaaS software as a service deliver application as a service over the Internet, eliminating the need to install and run the application on the customer's own computers and simplifying maintenance and support. Platform as a Service (PaaS) delivers a computing platform and solution stack as a service, often consuming cloud infrastructure and sustaining cloud computing applications. The server’s layer consists of computer hardware and software products that are specifically designed for the delivery of cloud computing services, including multi-core processors, cloud-specific operating systems and combined offerings. The various OpenStack community projects and the services they implement are modular in nature and generally capable of being used independently. OpenStack enables enterprises and service providers to offer on-demand computing resources, by provisioning and managing large networks of virtual machines. OpenStack Object Storage provides a fully distributed, scale-out, API-accessible storage platform that can be integrated directly into applications or used for backup, archiving and data retention. The OpenStack Dashboard provides administrators and users a graphical interface to access, provision and automate cloud-based resources. OpenStack Identity provides a central directory of users mapped to the OpenStack services they can access. The OpenStack Image Service provides discovery, registration and delivery services for disk and server images.
OpenStack Networking is a pluggable, scalable and API-driven system for managing networks and IP addresses. OpenStack Telemetry provides common infrastructure to collect usage and performance measurements within an OpenStack cloud.
OpenStack Database as a Service allows users to quickly and easily utilize the features of a relational database without the burden of handling complex administrative tasks. The OpenStack Hadoop as a Service project aims to provide users with simple means to provision a Hadoop cluster by specifying several parameters like Hadoop version, cluster topology, nodes' hardware details, etc.
OpenStack File Share Service provides coordinated access to shared or distributed file systems. The OpenStack Foundation regularly evaluates new project contributions for eventual inclusion as officially integrated.
Though it offers a business-tier plan, Dropbox has historically lacked a full-blown business platform on the order of Box and its APIs.
The API is an attempt by Dropbox to leverage the massive user base it’s built up both inside and outside of enterprises. Many of the services Dropbox singled out as API partners are already in wide use within enterprises. Both Piper and George O’Brien, product manager of Dropbox for Business, disputed the idea that this user-experience-first approach comes at the expense of security. By contrast, Dropbox’s biggest enterprise competitor, Box, is looking to drum up business from vertical industries as an escape from the spiral of price-cutting and feature-matching that plagues cloud storage.
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It requires IT organizations to adjust current working processes along with established technologies. A new model of computing is emerging where the user’s computer may contain almost no software or data with a minimum operating system and web browser serving as a display terminal for processes occurring on a network of computers located far away from the user.

It facilitates deployment of applications without the cost and complexity of buying and managing the underlying hardware and software layers. Rather than purchasing servers, software, data-center space or network equipment, clients instead buy those resources as a fully outsourced service. They are intended to knit together into a net capability greater than the sum of the individual parts. Compute resources are accessible via APIs for developers building cloud applications and through web interfaces for administrators and users. It provides persistent block devices mapped to OpenStack compute instances (which are otherwise assumed to be ephemeral).
Object storage does not present a traditional file system, but rather a distributed storage system for static data such as virtual machine images, photo storage, email storage, backups and archives. The extensible design makes it easy to plug in and expose third-party products and services, such as billing, monitoring, and additional management tools. It acts as a common authentication system across the cloud operating system and can integrate with existing backend directory services (for example, LDAP). The ability to copy or snapshot a server image and immediately store it away is a powerful capability of the OpenStack cloud operating system. Like other aspects of the cloud operating system, it can be used by administrators and users to increase the value of existing data center assets. Its primary initial targets are monitoring and metering, but the framework is expandable to collect data for other needs. It is intended, in part, to facilitate movement of workloads from AWS to OpenStack deployments. Cloud users and database administrators can provision and manage multiple database instances as needed. Sahara was promoted from incubation status to an integrated component of OpenStack in the Icehouse (April 2014) release. While the primary consumption of file shares would be across OpenStack Compute instances, the service is also intended to be accessible as an independent capability in line with the modular design established by other OpenStack services. The company is gambling that a sufficient number of companies haven’t already made a commitment to a competitor. With single sign-on, for instance, Microsoft Azure Active Directory or a local AD repository are both supported, along with third party providers like the creative up-and-comers Okta and Ping Identity. Rather, it wants its existing appeal as a well-known and widely used product to help sell it to enterprises. The way Dropbox sees it, it’s better to first build a product people wanted to use, then add enterprise functionality, rather than build the API set first and layer a user-friendly interface over it. Aside from the Business API and its business-tier plans, Dropbox recently set up a strategic partnership with Microsoft, adding direct Dropbox connectivity to the mobile edition of Office 365. That doesn’t guarantee Dropbox will be able to pick up any enterprise-side slack from Box, though, even as Dropbox hurries to eclipse its competitor from the bottom up.
Most cloud computing infrastructures consist of services delivered through shared data-centers and appearing as a single point of access for consumers' computing needs.
Instead they use a share of an enormous network of computers, benefiting from economies of scale. The block storage system manages the creation, attaching and detaching of the block devices to instances. The OpenStack Object Storage API (aka Swift API), in a manner somewhat similar to CDMI, proposes an open standard for cloud storage. The dashboard can also be made brand specific for service providers and other Enterprises who require customization.

It supports multiple forms of authentication including standard user name and password credentials, token-based systems and AWS-style logins.
Stored images can be used as a template to get new servers up and running quickly and more consistently if you are provisioning multiple servers than installing a server operating system and individually configuring additional services. OpenStack Networking ensures the network is not the bottleneck or limiting factor in a cloud deployment and provides users self-service over their own network configurations.
Ceilometer was promoted from incubation status to an integrated component of OpenStack in the Grizzly (April 2013) release.
Heat was promoted from incubation status to an integrated component of OpenStack in the Grizzly (April 2013) release. Connectors to analytics systems like Splunk and Domo are provided for scrutinising Dropbox activity logs. OpenStack Compute is architected to avoid inherent proprietary hardware or software requirements and the ability to integrate with existing systems and third-party technologies.
It also optionally supports instance booting and provides mechanisms for creating Snapshot copies and cloning. It can also function as an alternative endpoint for Amazon Web Services S3 and as a CDMI server through the use of add-on components.
Additionally, the catalog provides a list of all of the services deployed in an OpenStack cloud in that can be queried in a single registry. The pluggable backend architecture lets users take advantage of basic commodity gear or advanced networking services from supported vendors. Manila was officially denoted as an incubated OpenStack program during the Juno release cycle. It is designed to manage and automate pools of compute resources and can work with widely available virtualization technologies, as well as bare metal and high-performance computing configurations. While fully integrated with OpenStack Compute and Dashboard, it can also be used independent of OpenStack to provide a standardized abstraction for block storage provisioning.
Developers can automate access or build tools to manage their resources that use the native OpenStack API or the EC2 compatibility API. Users and third-party tools can programmatically determine which resources they can access. The Image Service can store disk and server images in a variety of back-ends, including through NFS and Object Storage. Administrators can take advantage of software-defined networking (SDN) technology like OpenFlow to allow high levels of multi-tenancy and massive scale. The dashboard provides users a self-service portal to provision their own resources within the limits set by administrators.
The Image Service API provides a standard REST interface for querying information about disk images and lets clients stream the images to new servers. OpenStack Networking has an extension framework allowing additional network services, such as intrusion detection systems (IDS), load balancing, firewalls and virtual private networks (VPN) to be deployed and managed.
A multiformat image registry allowing uploads of private and public images in a variety of formats.

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  1. 07.01.2016 at 15:41:58

    Cloud computing, and luckily you don't you want.

    Author: PENAH
  2. 07.01.2016 at 15:30:27

    Bit limited compared to an actual cloud you'd.

    Author: Simpaty_Alien
  3. 07.01.2016 at 21:18:34

    Whereas Google and Microsoft tend to favor their.

    Author: mulatka
  4. 07.01.2016 at 11:44:12

    You to launch and manage new Android phone using Verizon Cloud in a few you have to rely.

    Author: AVTOSHKA