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CHAPTER 1 - Coggle Diagram
CHAPTER 1
4 NETWORK REQUIREMENTS HIERARCHICAL NETWORK DESIGN CREATES A STABLE, RELIABLE, SCALABLE NETWORK
ease of management
fast recovery
application response time
fast troubleshooting
4 FUNDAMENTAL NETWORK DESIGN GOALS HIERARCHICAL NETWORK
scalability
availability
security
manageability
ADVANTAGES MODULAR FRAMEWORK
creates a deterministic network
eases the design task
provides scalability by allowing enterprises to add modules easily
enables the designer to add services & solution without changing the underlying network design
3 LAYER HIERARCHICAL NETWORK
CORE LAYER
- interconnects smaller LANs
DISTRIBUTION LAYER
- connections for hosts & end devices
ACCESS LAYER
- connects distribution layer devices
THREE-LAYER MODEL INTO MODEL AREAS HIERARCHICAL NETWORK
enterprise campus
server farm
enterprise edge
3 STEPS IN NETWORK DESIGN PROJECTS HIERARCHICAL NETWORK
identify network requirements
characterize the existing network
design network topology & solutions