5. Definition of cloud
A virtualised computing infrastructure,
sitting in a data centre, accessible via the
internet or a Wide Area Network (WAN)...
Public Private
6. Cloud: the benefits
• Cost-savings
• Reduced capital expenditure
• Lower operational costs
• Pay for what you use
• Increased flexibility
• Scale resources to meet demands
• Move resources based on requirements – development to
production
• Increased reliability
• Enhanced resilience through virtualisation
• Ability to use external expertise – 24x7
7. Cloud: the challenges
• Reliance upon the network
• Potential compliance issues
• Security
• Not right for all applications
• Service guarantees with 3rd parties
• Planning and migration
8. Case study: FIVE TV
François Chabat, Senior Technology Manager, Channel 5
9. Case study: FIVE TV
• About Channel 5
• Background
• Digital Media Group set up in
2007
• Capitalise on the growing
market for online video
• Develop new revenue streams,
online
• Check www.five.tv
• Timelines
10. Case study: FIVE TV
• Migration to the cloud: the business case
• More efficient resource utilisation
• Greater flexibility for provisioning environments
• Improved scalability
• The solution: Private Cloud
• Managed Application Hosting,
delivered on Dedicated Virtual Hosting infrastructure
• The resulting benefits
• Improved operational efficiencies: 3 times fewer servers required
11. Case study: FIVE TV
• P2V migration
• Collected performance metrics off physical set-up
• Seamlessly mixed-and-matched physical and virtual machines
during migration
• Challenges
• Optimised resource utilisation means less “slack” capacity
available for unexpected performance spikes
• Centralised SAN creates inter-project dependency
• Where next?
• Minute-by-minute resource allocation and billing
• Automated resource allocation
12. Steps to the cloud
• Understand your company’s objectives
• No ‘sacred cows’
• Prioritising is key – what to do first?
• Physical to virtual migration – start small
• Review cloud services – carefully
• Don't forget your network
• Pick the right partners to help
