Service Delivery Management
6 important questions on Service Delivery Management
What is the service catalog?
Per service
- name, version, description & variants
- service levels and intended users
- service unit & pricing, prerequisites, specific terms and conditions
What is a service request?
- has an ID
- name
- volume / service level
- requested delivery date
- remarks
- etc.
What does customer service request handling do?
Determine urgency, resources needed, delivery time, financial consequences. Approval: by IT team and customer. Evaluate service: pay & everyone happy?
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What is services planning?
Three levels
- The business processes
- The services consumption
- Resources
VOLUME FORECAST TECHNIQUES
User forecast
-often unreliable. Yet can capture large volume changes
Trend analysis
- cannot capture unexpected changes
- trends accurate in stable environment
What are the hardware and software scaling patterns?
Small servers/PCs: Linear (laptops)
Commodity hardware: Grosch (harddisks)
Site licensing: fixed
Server licensing: stepped
Volume licensing: Grosch
How is Moore's law evolving?
However, recently: performance 14%/yr yet unit cost increases 38%/yr
Thus, slower rise in performance. End of increasing clock speeds. Transition to multicore. Scaling problems are now software
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