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Using the project plan that was developed in the Plan phase, your team should have enough information to develop a detailed design for each site and the entire network. The network design should contain, at a minimum:
•Routing and switching component connectivity
•WAN connectivity intra- and inter-sites
•Software applications and configurations for routers and switches
•Power and environment
•Redundancy and failover
For each site, in addition to the above, your design should include telephone circuitry, equipment racks with cabinet locations, and layouts. Each site should have a design that encompasses your network call processing, conferencing, and messaging requirements. The design should be scalable for future growth.
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Before You Begin
Review information about the Cisco Validated Design Program . Cisco Validated Designs consist of systems and solutions that are designed, tested, and documented to facilitate and improve customer deployments.
Review Solution Reference Network Design (SRND) documents and design tools. Gather requirements and data, which can include:
•Business and system requirements
•Service-level agreements (SLAs)
•Capacity (bandwidth) requirements
•Site survey and proposal from the project plan
When You Are Done
The main deliverable of the Design phase is the detailed design, including:
•Deployment models that you can use at your site (see Review Tested Deployment Models)
•Network diagrams (see Network Topology Diagrams in the Resource Library for editable Microsoft Visio network drawings)
•Bill of materials
Major Concepts and Tasks in This Process