3V's , Velocity, Variety, Volume are the three terms which are playing a vital role with respect to data, where data is increasing second by second with high velocity, this rapid increase of data is not constrained to only one category or group of data so data related to different fields are increasing with high speed and this enhancing in the area of data has accumulated huge volumes of data, which has to be handled by either Cloud or Big Data, this book covers the basics concepts in cloud with a research oriented touch, this book also covers major syllabus part of various leading technical Universities. sakriti opis