A Presentation by Ravi Namboori,a Cisco Evangelist about Big Data. Ravi Namboori explains about Big data Techniques, tools and Introduction.Big Data usually includes data sets with sizes beyond the ability of commonly used software tools to capture, curate, manage, and process data within a tolerable elapsed time and its aim to solve new problems or old problems in a better way. Big Data generates value from the storage and processing of very large quantities of digital information that cannot be analyzed with traditional computing techniques.