What is Hybrid Cloud
There are many ideas around the concept of "Hybrid Cloud". Hybrid Cloud is a private cloud using public cloud? Hybrid Cloud is a combination of on-premise private cloud with public cloud off-premise? We can agree that's one answer: Hybrid Cloud is a combination with a private cloud or public cloud / and dedicated hosts. With the use of the Hybrid Cloud, we can choose different environments (private or public) to perform the workload (eg including one or more applications) so that the selection of the most suitable environment for applications use it. The model's general structure Hybrid Cloud Application Inheriting structure of the Private Cloud: The Cloud Hybrid structure, the structural principles of Private Cloud Application has been preserved. Physical Servers in the class system within the Private Cloud Infrastructure has been designed to complete the necessary features like HA, Storage Cluster, etc. In any of the services / applications are virtualized applications, in addition to the benefits of Virtualization, the problem affects the timing overhead and access via the hypervisor still exist. The timing and access will impact significantly on the process provising of resources, thus increasing the cost of cloud service users. However this will only make sense with the request (request) for intermittent resources, not continuously. With hardware technology development today, the ability to request (request) is interrupted become increasingly low. Besides, the Hybrid Cloud, we just can use virtualization technologies at the Private Cloud, has some flexibility in the provision of resources in the Public Cloud, provide VCPUs eg, VRAM has a large capacity. In another aspect, there are still many issues to be studied more flexibility in the supply and provisioning of resources as to ensure the performance of applications in Hybrid Cloud. A more holistic way, if a Private Cloud in combination with some Public Cloud Public Cloud instead of only one, the flexibility in provisioning resources need to be put on the concept at the highest level, ie the resources there can be provisioned in inter-cloud scale. Currently, Docker is emerging as a very effective solution to this problem. (See more information on the combination of Murano and Kubernetes) 4. Ensuring security requirements Security has always been complex problems in cloud. especially with multi-tenant environment. For Public Cloud solutions for traffic and data storage security has yet to bring safety to vendors as well as users. Hybrid Cloud will address some of the questions. We can fairly easily abstract the (part) workload "sensitive" or store the (partial) data "sensitive" to the Private Cloud or dedicated hosts to ensure security, depending on customer requirements. In addition, we can also easily manage traffic in / out of the traffic from Public Cloud Private Cloud to and vice versa. The challenge for Hybrid Cloud Hybrid Cloud Although there are many advantages, but the implementation is a Hybrid Cloud availability (or perfect) poses a major challenge for the implementation and service provider cloud. The management system has "private" medium "public" make things difficult for the integrated, sustainable during activities, etc. will bring the complexities related activities as monitoring, maintenance, security, etc.
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