Cloud - Introduction

 

Cloud Service : Any infrastructure service which is make available for user based request via internet.

Cloud Computing: Cloud computing is the delivery of computing services such Server, Storage, Databases, Networking and Software/Analytics over the internet hosted at a remote data center managed by a cloud service provider. 

Instead of buying, owning and maintaining physical data centers and servers, you can access technology services such as computing power, storage and database on an as-need basis from a cloud provider with pay-as-you-go model.

Cloud Service Provider: The company who is providing the cloud computing services to the end  users such as AWS, Azure, GCP, Oracle cloud, Rackspace, DigitalOcean, Saleforce cloud and Alibaba cloud.

Benefits of Cloud:

• Cost
• scalability & Elasticity - We can provision a require amount resources through cloud. We can increase the resources depends requirement basis without downtime via scale out and scale in.
• High Availability & Reliability
• Speed
• Deploy across the global

Type of cloud Computing:

• Public cloud, Private cloud, Hybrid cloud and Multicloud