Using the project plan that was developed in the Plan phase, the design team develops the detailed design. The detailed design contains the network design, which includes a redundancy and failover plan, a disaster recovery plan, and an implementation plan. When the design is reviewed and accepted, a purchase order is generated for equipment and services.
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Before You Begin
Review Solution Reference Network Design (SRND) documents and design tools. Gather requirements and data, which can include:
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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:
•Network diagrams (see Network Topology Resources in the Resource Library for editable Microsoft Visio network drawings)
•Routing strategy
•Redundancy
•Call flows
•Traffic flows
•Equipment list
•Bill of materials
Major Concepts and Tasks in This Process