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  1. 1. Many companies are running on virtual networks that feature cloud computing. Cloud-based virtual networks offer a cost-effective way to have a high-performance and high-availability network that is independent of the underlying physicalhardware, and they make it possible to increase capacity or add capabilities on the fly without the cost of expensive infrastructure upgrades,technical support training, or additional softwarelicensing. Cloud computing manages computing needs through a subscription or pay-per-use service, so businesses can match their computing needs with their resources. Capacity can be increased along with business needs, and mission critical processing can be prioritized in the network.unix hosting
  2. 2. A new type of cloud based virtual network is known as a hybrid cloud Ahybrid cloud integrates both a private, in-house network and publicnetwork Hybrid clouds are usually formed in two ways: a business has aprivate cloud and forms a partnership with a public cloud provider, or apublic cloud provider forms a partnership with a business that alreadyruns a private cloud platform
  3. 3. A hybrid cloud is a cloud computing environment in which anorganization provides and manages some resources in-house and hasothers provided externally For example, an organization might use apublic cloud service for a specific need such as placing applications in thepublic cloud that are not cost effective to deploy in their private network,or that they do not have the skills to deploy
  4. 4. Other organizations may have a data center that is running out of poweror space and they want to focus finite resources on business criticalapplications The hybrid approach allows a business to take advantage ofthe scalability and cost-effectiveness that a public cloud computingenvironment offers without exposing in-house applications and data topublic vulnerabilities
  5. 5. This type of cloud computing is also referred to as hybrid IT Anotheradvantage of a hybrid cloud is it allows organizations to maintain acentralized governance of IT resources while taking advantage of unixhosting cloud computing services where needed
  6. 6. There are several forces driving the adoption of a hybrid cloud: anenterprises need to maintain control of data, the cost effectiveness ofcloud-based services such as virtual software and storage, and the abilityof hybrid networks to respond as quickly as possible to rapidly changingbusiness needs Organizations can utilize hybrid clouds in order toachieve a variety of goals
  7. 7. Hybrid clouds provide a way to experience the advantages of publiccloud computing where needed without completely abandoning thebenefits of a private network Specific network infrastructure can beout-sourced to a public cloud environment, while the remainder of thenetwork can be managed and maintained on premise
  8. 8. Hybrid clouds also allow an organization to mix and match resourcesbetween local infrastructure, which is typically paid for but difficult toscale, with a virtual infrastructure thats scalable and can respond tochanging demand A company can also share applications and databetween platforms without users even being aware
  9. 9. For many organizations, the use of hybrid computing provides the best ofboth worlds Considering the complexities of compliance issues,performance requirements, and security needs, some local governanceof IT resources is desirable
  10. 10. At the same time, a hybrid cloud allows businesses to experience thenumerous advantages that public cloud computing offers without the riskof completely shutting down their in-house network
  11. 11. unix hosting