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CHAPTER 1 : DESIGNING AND SUPPORTING COMPUTER NETWORKS - Coggle Diagram
CHAPTER 1 : DESIGNING AND SUPPORTING COMPUTER NETWORKS
4 Network Requirements
Fast recovery
Application response time
Ease of Management
Fast troubleshooting
4 Fundamental network design
Availability
Security
Scalability
Manageability
Hierarchical Networks
Distribution Layer
interconnects smaller LANs
Factors when designing the distribution layer
Access control policies
Route summarization
Access Layer
provides connections for hosts & end devices
Factors when designing access layer of a network
Physical location of equipment
Availability
Function VLANs
Separate and classify traffic
Control broadcasts
Core Layer
Distribution layer devices
Factors when designing the network core layer
High-speed and aggregate links
Quick convergence
Three-layer model into modular areas
Server farm
Enterprise edge
Enterprise campus
3 Steps in network design projects
Identify the network requirements
Characterize the existing network
Design the network topology and solutions
Advantages of Modular Network
Eases the design task by making each module independent
Provides scalability by allowing enterprises to add modules easily