A logical network map is a visual representation of how information flows within a network and how devices communicate with each other. It focuses on the conceptual arrangement of the network, rather than the physical layout.
Key Elements of a Logical Network Map
According to the reference, a logical network map typically includes the following elements:
- Subnets: These are logical divisions of a network.
- Network Objects and Devices: Represent servers, workstations, routers, and other network components.
- Routing Protocols and Domains: Illustrate how data is routed across the network.
- Voice Gateways: If voice-over-IP (VoIP) is used, these components are included.
- Traffic Flow: Shows the direction and path of data transmission.
- Network Segments: Identifies different sections of the network.
Difference Between Logical and Physical Network Maps
It's important to distinguish a logical network map from a physical one.
| Feature | Logical Network Map | Physical Network Map |
|---|---|---|
| Focus | How data flows and devices communicate. | The physical arrangement of cables, hardware, and devices. |
| Abstraction | Higher level, showing network structure and functionality. | Lower level, detailing physical connections. |
| Example Items | Subnets, routing protocols, traffic flow. | Cable types, device locations, port numbers. |
Benefits of Using a Logical Network Map
- Troubleshooting: Helps identify network bottlenecks and communication issues.
- Planning and Design: Facilitates network expansions and modifications.
- Security Analysis: Aids in identifying potential security vulnerabilities.
- Documentation: Provides a clear overview of the network architecture.
In essence, the logical network map offers a blueprint to understand the functionality of the network, while the physical map details the hardware and its arrangement.
