Performance Assured

1
Performance Assured

• Performance Assured by Capacity Management
  experience refined through ITIL practice
• adam.grummitt_at_metron.co.uk

2
ITIL is

• The IT Infrastructure Library - books
  definitions
• Service Support
• Service delivery
• The Business Perspective
• ICT Infrastructure Management
• Software Development Lifecycle
• Planning to implement Service Management
• A best practice code / framework for managing IT
  services
• Comprehensive, open guide to IT service provision
• Basis of BS15000, BS7799 and ISO 17799 standards
  for IT
• Developed by UKs OGC in the 1980s (as CCTA)
• To encourage private sector to ITIL services
  products
• Metron key contributor to the initial Demonstrator

3
ITIL Users

• 10,000 companies worldwide
• European, US and Australian IT practitioners
• Microsoft, HP, IBM IT package vendors
• Companies seeking ISO-9002 certification
• The IT Service Management Forum itSMF
• The independent forum for ITIL users since 1991
• Promotes exchange of information and experience
• In GB, NL, B, AUS, ZA, CDN, F, CH/A/D, USA

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ITIL Process Model
Business, Customers, Users
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IT Infrastructure Planning (ITIP)
Management
ITI Planning Performance Assurance Performance
Engineering
Operations
Development
Targets
Results
Support
Environ- ment
Service Service Level Management Contingency
Planning Cost Management
Network Network Capacity Planning Network
Management End-User Support
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ITIP - Performance Assurance
Performance Assurance
Performance Engineering
Capacity Planning Workload Characterisation Workl
oad Prediction Hardware Planning
Performance Management Performance
Monitoring Performance Analysis Resource
Accounting
Performance Prediction
Performance Testing
Capacity Forecasting
ITIP Audit
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ITIP objectives

• Ensure the right level of ITI investment
• Identify and resolve bottlenecks
• Evaluate tuning strategies
• Improve and report/publish performance
• Right-size or consolidate servers
• Ensure accurate and timely procurements
• Ensure effective service level management
• Plan for workload growth, new apps / sites
• Avoid performance disasters

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Performance

• Diagnostic Monitoring Accounting
• Load Balancing System Tuning
• Program Optimisation
• Performance Engineering
• Past Performance Trending Reviews
• Current Analysis, Alerting Publishing
• Future Capacity Planning Reporting

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Info required

• Corporate
• Mergers, acquisitions, down-sizing,
  centralisation and consolidation, growth
• Business Units
• Workload growth patterns, transaction rates,
  priorities, response requirements
• Technical Design
• File organisation, accesses, processes, comms
  needs
• IT Infrastructure
• computers, devices, topology, comms workloads
  (resource utilisations, transaction rates etc.)

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Data Sources

• Business volumes - planners, reports
• Workload volumes - users, logs, trails
• Service Levels - SLAs, users, ops, monitors, logs
• Resource Usage - Monitors, Accounting systems
• New Systems - Developers, users
• All metrics v key metrics - overhead v clarity
• Metrics vary snapshot, gas meter, average, peak
• Cockpit dynamic v control panel management
• Invasive instrumentation v MIBs/APIs/utilities

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DM ITIP
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DFD ITIP
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ITIP Objectives
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PD WLC
15
ITIP Functions and status
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PD CP
17
Athene Functions
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PD PF
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Information Derived

• Average response time variations
• Defined tolerances on estimates
• Contribution of every element
• Actual potential bottleneck devices
• Predicted performance - "what-ifs"
• Sensitivity analysis of parameters
• SLM - Response times throughputs
• Scenarios - Response times and throughputs
• Defined what and when to upgrade

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Snapshots
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Top users

• Times Top 1000/Blue Chip Companies to
• Gain business advantage
• Contain growth/acquisitions
• Support vital response times SLM
• Attain effective centralised IT support
• Gain from past experience
• Achieve performance assurance

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Benefits

• Maintain machine network service levels
• Support business decisions and plans
• Avoid performance bottlenecks
• Optimize resource management tuning
• Size new applications and their impact
• Predict future workloads and their impact
• Control procurement by effective planning
• Ensure cost-effective, targeted upgrades

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Thats what its all about

• Right kit in the right place at the right time
• Predict when it will all fall apart
• Take action to avoid that in time
• Consolidate servers effectively
• Dont waste money on redundant kit
• Or on un-necessary interim upgrades

24
Performance Assured

• Performance Assured by Capacity management
• experience refined through
• ITIL practice
• adam.grummitt_at_metron.co.uk

Any Questions ???