Architecture requirements

This chapter describes the enterprise and operational factors that impacts the design of an OpenStack cloud.

• Enterprise requirements
  • Cost
  • Time-to-market
  • Revenue opportunity
  • Capacity planning and scalability
  • Performance
  • Network
  • Compliance and geo-location
  • Auditing
  • Security
  • Service level agreements
  • Application readiness
  • Authentication
  • Migration, availability, site loss and recovery
• Operational requirements
  • Network design
  • SLA considerations
  • Support and maintenance
  • Operator access to systems
• High availability
  • Data plane and control plane
  • Eliminating single points of failure within each site
  • Site loss and recovery
  • Replicating inter-site data