Cloud computing - Hybrid models

Understanding the nuts and bolts of "hybrid cloud"

 Cloud computing - Hybrid models

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• The story: The pandemic forced businesses to shift priorities to enable remote work. Everyone started taking advantage of cloud innovation. Large firms realised that relying on an effective multi-cloud, multi-edge, hybrid approach will pay richly.
• Moving up: The next phase in digital transformation seems to be the flexibility to innovate anywhere, meet evolving business needs, and empower people to invent with purpose. Post-Covid, it is going to be even more important to enhance cloud adoption. The hybrid cloud provides consistency and flexibility to meet these dynamic and diverse business needs.
• What is a hybrid cloud: It leverages on-premise infrastructure — or a private cloud — and public cloud and enables data and applications to move between the two environments. It helps organisations to enable remote work, take advantage of cloud scale, innovation, and modernise and maximise the existing on-premise investments. With a hybrid cloud, businesses can innovate anywhere, across their data centres, multi-cloud, and edge environments, in a holistic, seamless, and secure way.
• What to keep in mind: A few parameters — such as regulatory requirements, security, stringent latency, and connectivity — need to be assessed.
• Regulated industries: Some industries like BFSI, government, and healthcare require certain types of data to be stored on-premise while allowing less sensitive data to be stored on the cloud.
• From legacy to modern: Complex or traditional IT systems of organisations can be modernised with hybrid cloud to transform their approach to product or solution development and bring speed and scale to their existing practices. Enterprises are increasingly turning to hybrid cloud models to modernise their infrastructure for flexibility in workload placement without compromising on performance and security.
• HCI arrives: Hybrid cloud enables businesses to optimise capital expenditures while avoid the costs of unused digital capacity, paying only for resources that are consumed. It also delivers better ROI for organisation for their on-premise investments by modernising existing data centres and traditional apps. This has given rise to the use of Hyperconverged Infrastructure (HCI) solution among businesses.

1. These solutions provide cost-efficient IT infrastructure resources — with native hybrid capabilities — to remote locations, improves storage availability and resilience, and streamlines distributed workloads.
2. Based on pay-as-you-go subscription model, the HCI solutions deliver flexibility and lower total cost of ownership (TCO).

• A bridge: A hybrid strategy provides a bridge that connects on-premises data to new cloud-based capabilities across AI and advanced analytics, allowing customers to modernise their services and unlock innovation. With virtualised environments, they can accelerate testing and evaluation cycles, and enable deployment seamlessly across different locations.
• EXAM QUESTIONS: (1) Explain the technical flow in a hybrid cloud. (2) Why should organisations move to a hybrid cloud, if they have their own private cloud? Explain.

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