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Summer Semester 2019
Exercise 3: Scaling and Load Balancing

Exercise 3: Scaling and Load Balancing

Overview

While vertical scaling is limited to a single instance and hence limited to the largest available flavor, this exercise introduces horizontal scalability.

  • OpenStack provides virtual machines, security groups for firewalls, virtual networks and virtual routers.
  • Wikimedia is a two-tier application with a presentation/logic tier and a data tier
  • Horizontal scaling needs a load balancer as central point for user access. The data tier must not be part of the scaled presentation/logic tier.

Lessons

  1. Extend your knowlede about OpenStack: IaaS Networking
  2. Multi-tier applications in Cloud Computing
  3. Horizontal Scaling and Load Balancing

Exercise as PDF

Exercise Solution