Big Data : The Crisis. YouTube users upload 48 hours of new video every minute of the day 100 terabytes of data uploaded daily to Facebook. Twitter sees roughly 175 million tweets every day, and has more than 465 million accounts. Walmart handles more than 1 million customer transactions every hour, and databases more than 2.5 petabytes of data.
What is Cloud Computing? “Cloud computing is the use of computing resources (hardware and software) that are delivered as a service over a network (typically the Internet)” - Wikipedia
Conventional Computingversus Cloud Computing. Conventional Cloud computing. Computing. You send your You data gets data to some other processed in your computer. It gets own computer. processed there and it comes back to you.
We already use Cloudcomputing in our everydaylife. Gmail. Google Docs. Microsoft Skydrive. Picasa. Flickr.
Types of Cloud.Private Cloud + Public Cloud = Hybrid Cloud
Software as a service Definition “Software deployed over a hosted service and accessed over the internet.”
Platform as a service Platform provides all the facilities necessary to support the complete process of building and delivering web applications and services,all avalaible over the internet. Entirely Virtualized platform.Includes one or more servers,Operating System and specific Applications.
Infrastructure as a service Providesbasic storage and compute capabilities as standardized services over the network. Made up of Servers, Storage blades, switches and routers.
Benefits of Cloud Computing Reduced Cost. All you need is High an internet reliability. connection to access it. No need to Highly maintain secure. Servers. Highly Only pay for Scalable and what you fault tolerant. need.
The Bottom-line is… TheCloud is growing. We are already using it. We need faster internet speeds.
Cloud and Grid Grid computing is where more than one computer coordinates to solve a problem together. It is a distributed system. Cloud computing is where an application doesnt access resources it requires directly, rather it accesses them through something like a service. Cloud computing has evolved from Grid computing.