1. Networking in the Enterprise
Introducing Routing and Switching in the Enterprise – Chapter 1

2. Objectives
Describe the logical architecture and components of an enterprise network
Explain the types of applications and traffic flows present on an enterprise network
Examine how enterprises integrate remote workers into their networks
Define the role and importance of a telecommuter
Describe the function and importance of VPNs

3. Describe an Enterprise Network
A large business environment with many users and locations
Supported by an enterprise network
Provides mission-critical services and applications
Requires centralized control: NOC
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4. Describe an Enterprise Network
Network infrastructure
99.999% uptime
High-end equipment
Fail-over capabilities
Redundancy
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5. Describe an Enterprise Network
Hierarchical design
Access, Distribution, Core layers
Enterprise networks contain both LAN and WAN technologies
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6. Describe an Enterprise Network
Intranet
Provide access to local and remote employees
Private network
Controlled by firewalls
Extranet
Privileged access for business partners
Private network
Controlled access
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7. Explain Types of Applications and Traffic Flows within an Enterprise Network
Local
WAN
External
Optimized bandwidth
Security
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8. Explain Types of Applications and Traffic Flows within an Enterprise Network
Characteristics of different types of network traffic
Network traffic prioritization
Classification
Pre-queuing
Queuing and scheduling
Post-queuing
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9. Explain Types of Applications and Traffic Flows within an Enterprise Network
Factors affecting enterprise traffic
Latency
Jitter
Quality of Service (QoS)
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10. Examine How Enterprises Integrate Remote Workers into their Networks
Teleworking
Telecommuting
Teleconferencing
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11. Examine How Enterprises Integrate Remote Workers into their Networks
Describe remote worker applications
VoIP
Sharing applications
FTP and Telnet
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12. Examine How Enterprises Integrate Remote Workers into their Networks
Function and importance of VPNs
Encryption of traffic
Tunnels
Client/server application
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13. Summary
Enterprise networks support mission critical services and traffic
Enterprise design includes a campus, enterprise edge, and service provider edge
Intranets and extranets are private networks designed for specific access privileges
VPNs create encrypted tunnels for use by teleworkers
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