Appropriate planning of a network is essential for optimum utilization of resources of existing network and investment of a service provider. Planning of a network is related to forecasting of following parameters:
vDemand of new service (for example urban subscribers of Bangladesh have replaced their PSTN phone by mobile cell phone and ADSL)
After getting the forecast data a network planner has to figure out the following issues:
• Choice of technology and network components
• Design of network structure
• Routing principles and redundancy in the network
• Dimensioning of nodes and routes in the network
• Timing of network expansion
• Implementation of additional functionality
• Introduction of new and enhanced services
• Integration of functionality on various OSI levels
• Replacement strategies for old network components/ old technology
• Long-term strategy planning for network evolution
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