Cloud, SaaS, IaaS - Practical Overview of Available Options

Basic understanding system administrator tasks, recommended understanding of scalability issues

This course is created for people who face choices which solution to choose for a specific problem. IT Managers, Solution Architects, Test Managers, System Administrators and Developers can benefit from this course by understanding the benefits and costs of available Cloud/SaaS/Iaas solutions.

Overview of Cloud

• Virtalization (e.g. VirtualBox, WMware, KVM...)
• Hardware support for virtalization (sharing networking interfaces, etc...)
• Share nothing storage (S3, Ceph, Glacier)

• Mixed model (Bare Metal + Cloud)

Public Cloud Providers

• Amazon
• Azure
• Google
• Aliyun
• UnitedStack

Private Cloud Solutions

• OpenStack
• Amazon EC2
• Ohters

Software as a Service

• Benefits over deployable software
• Consumer isolation
• Legal aspects influencing solution
• Redunancy
• Availability
• Managing upgrades, versionsing, etc...
• Deployment options (BeanStalk, etc...)

Redundant Databases

• NoSQL (e.g. MongoDB)
• SQL/NewSQL (e.g. Galera Cluster)
• Automate redundancy management with RDS
• Pros vs Cons
• Dealing with transactioons and consistency
• Hadoop

Redundant WebServers

• Loadbalacing
• DNS load balacing (roundrobin, geo-proximity, etc..., e.g. Route53)
• Session handling

Virtual Image Management (Appliances)

• Image formats
• Transfering images between zones
• Image interoperability between clouds