Hybrid Cloud Deployment
In this deployment model, the cloud infrastructure is a composition of two or more distinct cloud infrastructures (private, community, or public) that remain unique entities, but are bound together by standardized or proprietary technology that enables data and application portability (e.g., cloud bursting for load balancing between clouds).
At least two or more distinct cloud infrastructures are connected together to facilitate hosted data and application portability.AND
The cloud service infrastructure for each consumer set of is virtually separated from the other sets of consumers.
PROs of this option
- Flexible and Scalable solution in which enterprises can mix and match for the ideal balance of cost and security.
- This option provides for innovative business solutions by combining different cloud services.
- Cost effective
- Supports agile and innovate technologies, particularly for mobile and web applications.
- Allows for rapidly responsive and elastic IT which can be easily aligned to the business needs in order to support dual speed IT options in order to quickly respond to the demands and needs for both steady speed system of record (SoR) and new fast speed systems of engagement (SoE).
- Cloud Service Providers can incorporate a portfolio of business and IT services that include a high number of tools and data for innovation, limiting the expenses associating with purchasing, maintaining, and upgrading the tools and allowing for ad-hoc use.
- Allows for faster innovation by allowing the organization to leverage existent systems and capabilities.
CONs of this option
- Inter-connection of systems among a Public/Private cloud environments may not match the level of security required by the private cloud environment.
- Data leakage risk is higher when the consumer doesn’t have the ability to customized the environment.
- Higher Risk of unreliability.
- Logical and Physical separation and restrictions between the Private and Public may not be fully present on the public side.
- Management of the systems can become cumbersome for network administrators.
- Requires high level network segmentation.
- Dedicated connections can be expensive.
- VPN technologies leveraged by the CSPs may not conform to the security measures required by the organization.
- May or may not provide the ability to leverage Active Directory for replications across both environments.
- Requires high level planning prior to implementation.
|Integration||Hybrid cloud computing is about aggregation and integration of capabilities and services from cloud service providers with on-premises resources, leveraging the best-of-breed. The emergence and evolution of core integration capabilities, such as Service Oriented Architecture (SOA), Representational State Transfer (REST) Application Programing Interfaces (APIs), and cloud management and orchestration frameworks have opened up new options for integrating cloud services. In addition, new capabilities from a wide variety of services (on-premises and off-premises) can now be aggregated to provide the business with a broader set of capabilities on which to act.
Key Questions: How can public resources be integrated with existing internal resources? Can business application and existing management and monitoring systems be leveraged? How should network connections be secured?
|Composition||Architecture (SOA), Representational State Transfer (REST) Application Programing Interfaces (APIs), and cloud management and orchestration frameworks have opened up new options for integrating cloud services. In addition, new capabilities from a wide variety of services (on-premises and off-premises) can now be aggregated to provide the business with a broader set of capabilities on which to act.
Key Questions: How should the components be deployed? What type of usage should the solution support- private dedicated or local cloud? What public cloud services are required?
|Organizational Impact||People in many different roles are impacted by hybrid cloud in a variety of ways. The value of hybrid cloud is highly dependent on what is important to the organization.
Key Questions: Can the organization handle the management complexity? How can public cloud services be managed? Who is responsible for handling the lifecycle of resources?
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