Transcript Creating an Implementation Plan and Documenting the

Creating an
Implementation
Plan and
Documenting the
Implementation
Planning Routing Services
© 2009 Cisco Systems, Inc. All rights reserved.
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Implementing Routing in the Network
Ad-hoc approach
 Identify the need for the implementation
 Implement routing in the network
Structured approach
 Create an implementation plan
 Implement the solution
 Document the implementation
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Structured Approach
Well-known models and methodologies that can aid in
structuring the network implementation tasks include the
following:
 Cisco Lifecycle Services (PPDIOO)
 IT Infrastructure Library (ITIL)
 Fault, Configuration, Accounting, Performance, and Security
(FCAPS)
 Telecommunications Management Network (TMN)
Choose a model with elements that fit your organization
as well as its business and technical needs.
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Models and Tools
 Select the implementation
model
 Adapt the model to your
organization’s needs
 Select the tools supporting
the model
 Create the implementation
plan
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Create the Implementation Plan
 Identify the required information for the plan:
– Network-specific information, activities, and tasks
– Dependencies of the existing installation
– Recommended resources
 Create the implementation plan
 Implement the solution
 Verify the implementation
 Create the documentation
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Identify the Required Network
Information
 Existing topology, equipment, and software version
 IP addressing plan
 Scalability configuration (summarization, stub areas, and so on)
 List of advertized networks
 Link utilization
 Metric requirements for primary and backup links
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Identify Other Requirements
 Site specific implementation requirements
 Dependencies on existing installation
 Configuration and verification commands
 Implementation schedule and resources
 Tools
Online Resources
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Create the Implementation Plan
 Plan the work tasks
 Select the site-specific tools and configurations
 Configure and coordinate work with specialists
 Create verification tests
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Implementation Plan Documentation
 Good documentation is a result of good processes and
procedures.
 Documentation must be:
– Correct
– Up-to-date
– Accessible
 Documentation must support:
– Future upgrades and changes
– Troubleshooting
– Reporting
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What to Document?
 Network information
 Tools
 Resources
 Implementation plan tasks
 Verification tasks
 Performance measurement and results
 Screenshots and photos
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Example: Implementation Plan
 Identify the existing situation and requirements
 Follow these steps to create an implementation plan:
– Plan
– Select the tools and resources
– Coordinate the work with specialists
– Verify
– Interpret the performance results
– Document the baseline, performance, and recommendation
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Enterprise Network Topology Required
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Identify Network Information and
Requirements
 Existing topology, equipment, and software version
 IP addressing plan, configuration, and link utilization
 Requirements for:
– Connectivity and configuration
– Protection and optimization
– Security and remote access
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Creation of the Implementation Plan
 Create an implementation plan and document it
– Project contact list
– Location information
– Tasks and detailed descriptions
– Verification steps
– Representation of the results
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Summary
 Using well known models and methodologies can aid in
structuring the network implementation tasks and creating an
implementation plan.
 An implementation plan consists of the project and network
overview, required tools, and information, as well as the
implementation tasks.
 The tasks in the implementation plan provide a detailed
explanation of all actions that must be taken in order to configure
the network according to requirements.
 Good documentation is a result of good processes and
procedures, and includes performance testing and documentation
of results.
© 2009 Cisco Systems, Inc. All rights reserved.
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