Cloud Information Systems - Foundations

Lecture 1 & 2

Promises of the Cloud

The reality behind the cloud

Economic Factors Motivating The Move To Cloud

IaaS vs PaaS vs SaaS

EU cloud market size - insights. What kind of service dominates?

The Cloud From a Provider’s Perspective what it should offer?

what are data Centers? what are Racks?

How many Racks are cooled. How much Energy can data center cost, when we have 40 servers/rack, 12 racks in a row, 6 rows & 500 watt pro server is the cost.

Networking Design in Racks

Fat Tree Topology

Leaf spines & super spines Topology

What are Virtual Machines? what allow them?

How does virtualization work?

what about IO in VMs?

implications about VMs

how to split hardware resources in VMs?

Virtual Disks, why is it needed, what kind of virtual disks are there?

What are Containers and how is Docker implemented

Containers Vs VMs.

Functions as a Service (Serverless)

Unikernels. What are they and what’s the purpose

Total Cost of Ownership. What is CAPEX? OPEX?

Data Center TCO. Construction Cost, primary components, consume, server consume, number of servers

Example 1: Pie Chart main insight

Example 2: Pie Chart main insight

real industry study by Microsoft. What dominates the cost? what is non-trivial at scale?

• Single-socket server → 1 CPU

• Dual-socket server → 2 CPUs

• (There are also 4- or 8-socket servers, but those are high-end)