Seite 4 - Cloud Services and Big Data

5.1 Data Warehouse in the Era of Cloud .......................................................28
5.2 Finding the Needle in a Haystack ............................................................28
5.3 From Segregation to Integration of Data ..................................................31
5.3.1 Apache Hadoop – An Example for Integrating Big Data....................32
5.4 Transforming Data into Action: Data Scientists ........................................33
6 Business in the Cloud ....................................................................................35
6.1 Prerequisites ............................................................................................36
6.2 Cloud Checklist – Example for a Business Case .....................................37
6.2.1 Experiments with the Cloud ...............................................................40
6.3 Basic Requirements for Cloud Services...................................................41
6.4 Cloud Computing .....................................................................................42
6.4.1 On-demand Self-Service ...................................................................42
6.4.2 Broad Network Access ......................................................................42
6.4.3 Resource Pooling ..............................................................................43
6.4.4 Multi-Tenant model............................................................................43
6.4.4.1 Shared Hardware ................................................................................... 43
6.4.4.2 Shared Process ...................................................................................... 44
6.4.5 Rapid Elasticity ..................................................................................44
6.4.6 Measured Services............................................................................44
6.5 Categories of Cloud Computing ...............................................................45
6.5.1 Infrastructure-As-A-Service (IAAS)....................................................45
6.5.2 Platform-As-A-Service (PAAS) ..........................................................46
6.5.3 Software-As-A-Service (SAAS) .........................................................46
6.5.4 Human-As-A-Service (HAAS)............................................................46
6.6 The Cloud Ecosystem – Enterprise Cloud Computing .............................47
6.7 Deployment Models .................................................................................48
6.7.1 Private Cloud – Definition ..................................................................48