Private Cloud
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Private Cloud
Free training Red Hat OpenStack Technical Overview (CL010) An overview of Red Hat OpenStack Platform
All the pieces you need to deploy a private cloud
There’s a lot more to do with the private clouds
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Private clouds are cloud environments solely dedicated to the end user, usually within the user’s firewall. Although private clouds traditionally ran on-premise, organizations are now building private clouds on rented, vendor-owned data centers located off-premise.
All clouds become private clouds when the underlying IT infrastructure is dedicated to a single customer with completely isolated access.
Private clouds rely on a handful of various technologies, but understanding how virtualization works is the key to understanding how private clouds work. A private cloud uses virtualization technology to combine resources sourced from physical hardware into shared pools. This way, the cloud doesn't have to create environments by virtualizing resources one at a time from a bunch of different physical systems. A scripted IT process can just grab all those resources from a single source—like a data supermarket.
Adding a layer of management software gives administrative control over the infrastructure, platforms, applications, and data that will be used in the cloud by helping cloud admins track and optimize use, oversee integration points, and retain or recover data. When the final automation layer is added to replace or reduce human interaction with repeatable instructions and processes, the self-service component of the cloud is complete and that bundle of technologies is now a private cloud.
Cloud infrastructure refers to the components needed for cloud computing. The basic elements of cloud infrastructure are the same whether you have a private cloud, public cloud, or a combination.
All clouds require operating systems—like Linux® —but the infrastructure can include a variety of bare-metal, virtualization, or container software that abstract, pool, and share scalable resources across a network.
You can build a private cloud on your own using resources dedicated solely to you, or use prepackaged cloud infrastructure like OpenStack®.
With private clouds, you're completely responsible for all costs at all times. You staff, manage, and maintain all underlying infrastructure. But private clouds can also be delivered by cloud providers as part of a managed private cloud approach.
Managed private clouds let customers create and use a private cloud that's deployed, configured, and managed by a third-party vendor. It's a cloud delivery option that helps enterprises with understaffed or underskilled IT teams provide better private cloud services and infrastructure to users without the day-to-day complexities of managing a private cloud themselves.
The bare-metal IT infrastructure used by cloud providers can also be abstracted and sold as Infrastructure-as-a-Service (IaaS) , or it can be developed into a platform sold as a Platform-as-a-Service (PaaS) .
Private clouds are the ideal solution for IT leaders who want to make enterprise resources available on-demand, but can’t (or don’t want to) move to the public cloud. This can be due to security policies, budgets, compliance requirements, or regulations, like those that define the healthcare and financial service industries.
Companies in these industries use encryption protocols and firewalls to secure their IT systems, but private clouds add an extra level of security—compared to public clouds—because access is limited.
Whether or not you invest in private cloud infrastructure also depends on the workloads that need to be supported. Traditional, stateful workloads are well supported by enterprise virtualization products. But stateless, loosely coupled workloads—typically found in development , research , and telecommunications (particularly network functions virtualization )—are better supported by private clouds.
Private clouds reduce instances of underused capacity. They allow the enterprise to automatically configure and reconfigure resources in any way it wants, since those resources aren’t restricted by their physical installations.
Private clouds provide additional benefits, such as:
Big data and the Internet of Things (IoT) have made private cloud storage very important to businesses, particularly in an era where it can difficult to appraise the value of a byte until long after it was created. Private clouds use something called software-defined storage (SDS) to archive and sort data. One of the more common SDS solutions for private clouds—particularly those deployed using OpenStack®—is Ceph. Ceph is the open source project behind Red Hat Ceph Storage , and it works well with clouds because it unifies object, block, and file storage into a single resource pool.
Because each private cloud is unique, and building unique private clouds by yourself can get exponentially expensive. That's why we developed a bunch of cloud solutions that let you build a unique private cloud from wherever you are right now. Already have a virtual infrastructure? Red Hat OpenStack Platform runs off the virtual resources you've already deployed.
A cloud infrastructure that runs off standard hardware—letting you deploy the private cloud tools you need, when you need them, all from 1 place.
Automated deployment of certified software on Red Hat OpenShift.
The OpenStack® Word Mark and OpenStack Logo are either registered trademarks / service marks or trademarks / service marks of the OpenStack Foundation, in the United States and other countries and are used with the OpenStack Foundation's permission. We are not affiliated with, endorsed or sponsored by the OpenStack Foundation or the OpenStack community.
We’re the world’s leading provider of enterprise open source solutions, using a community-powered approach to deliver high-performing Linux, cloud, container, and Kubernetes technologies. We help you standardize across environments, develop cloud-native applications, and integrate, automate, secure, and manage complex environments with award-winning support, training, and consulting services.
What is a Private Cloud - Definition | Microsoft Azure
What is private cloud ?
Virtual private cloud - Wikipedia
Private Cloud Computing Benefits, Strategies, and Resources
What is Private Cloud ? | IBM
From Wikipedia, the free encyclopedia
A virtual private cloud (VPC) is an on-demand configurable pool of shared resources allocated within a public cloud environment, providing a certain level of isolation between the different organizations (denoted as users hereafter) using the resources. The isolation between one VPC user and all other users of the same cloud (other VPC users as well as other public cloud users) is achieved normally through allocation of a private IP subnet and a virtual communication construct (such as a VLAN or a set of encrypted communication channels) per user. In a VPC, the previously described mechanism, providing isolation within the cloud, is accompanied with a VPN function (again, allocated per VPC user) that secures, by means of authentication and encryption, the remote access of the organization to its VPC resources. With the introduction of the described isolation levels, an organization using this service is in effect working on a ' virtually private' cloud (that is, as if the cloud infrastructure is not shared with other users), and hence the name VPC.
VPC is most commonly used in the context of cloud infrastructure as a service . In this context, the infrastructure provider, providing the underlying public cloud infrastructure, and the provider realizing the VPC service over this infrastructure, may be different vendors.
Amazon Web Services launched Amazon Virtual Private Cloud on 26 August 2009, which allows the Amazon Elastic Compute Cloud service to be connected to legacy infrastructure over an IPsec virtual private network connection. [1] [2] In AWS, VPC is free to use, however users will be charged for any virtual private networks (VPN) they use. [3] EC2 and RDS instances running in a VPC can also be purchased using Reserved Instances, however will have a limitation on resources being guaranteed. [ citation needed ]
IBM Cloud launched IBM Cloud™ VPC [4] on 4 June 2019, provides an ability to manage virtual machine-based compute, storage, and networking resources. [5] Pricing for IBM Cloud™ Virtual Private Cloud is applied separately for internet data transfer, virtual server instances, and block storage used within IBM Cloud VPC. [6]
Google Cloud Platform resources can be provisioned, connected, and isolated in a virtual private cloud (VPC) across all GCP regions. With GCP, VPCs are global resources and subnets within that VPC are regional resources. This allows users to connect zones and regions without the use of additional networking complexity as all data travels, encrypted in transit and at rest, on Google's own global, private network. Identity management policies and security rules allow for private access to Google's storage, big data, and analytics managed services. VPCs on Google Cloud Platform leverage the security of Google's data centers. [7]
Microsoft Azure [8] offers the possibility of setting up a VPC using Virtual Networks.
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