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23 Cards in this Set
- Front
- Back
organizational constraints
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-budget
-personnel -policies -scheduling |
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Organizational Goals
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-increas revenue and profits
-shorten development cycles nad increase productivity -better customer support -open organization information infrastructure |
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Organizational Table
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-increase competitiveness
-reduce cost -improve customer support -add new customer serbces |
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Planned Applications Table
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-email
-goupware -voice networking -web browsing -voice on demand -database |
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Planned Intelligent Network Services
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-security
-QoS -Management -High Availabilty -IP Multicast |
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Technical Goals
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-improve performance
-improve security and reliabilty -decrease downtime -modernize technologies -improve scalabilty -simplify network management |
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Tech Goals Table (6)
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performance
availabilty manageabilty security adapatabilty scalabilty |
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technical constraints (3)
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existing equipment
bandwidth availabitly application compatibilty |
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Characterizing an Existing Network
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customer input
network audit network analysis |
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Customer inputs on existing network infrastructure by talking about:
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-network services- routing, security, QoS
-network topology- network devices, physical and logical links, encapsulations, bandwidth -network solutions and applications collect infor about future networks |
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Scoping
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important because designers should see if the design is needed only at the network layer or if the other layers are involved, such as the application and physical & data link layers
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Memorize the Network Organizational Application Model
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1-13
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Policy Cycle
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-set the policy
-adhere to policy |
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Policymakers
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-executives /leaders- make all key decisions about overall direction and policies
-department/unit managers- manage and control organizational projects and activities -employees- contribute effort, and knowledge |
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What 2 policies affect the achievement of organizational goals
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-organizational specific policy
-common corporation policy |
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Goals to achieve networking contributions (6)
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-functionality
-scalabilty -availabilty -performance -manageability -efficiency |
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Network Life Cycle
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PDIOO and retirement
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Design Phases are presnet in all other phases
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planning requires design
implementing phase important for design verification operating and optimizing also may trigger redesign |
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8 steps in Design Methodology
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-identify customer requirements
-characterize existing network -design topolgy and network solutions -plan the implementation -build pilot network (optional) -document a design -implement and verify design -monitor and optionally redesign |
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Top Design Practices
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requirement analysis is performed nbefore acutal technology selection
integrated into network design goes down the OSI model |
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Structured Design Approach
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1-46
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Compare top down approach and bottom down approach
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basically top down is better because it involves the customer a lot more and it is bad because more time consuming
bottom approach is good because its faster but implements little or no of customer requirements |
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What are some determinanats of the design project scope?
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-WAN upgrade
-network layer redundancy -data link redundancy -network redesign |