This key facts covers Mesh Topology within Network Topologies for GCSE Computer Science. Revise Network Topologies in Networks for GCSE Computer Science with 15 exam-style questions and 18 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 7 of 11 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 7 of 11
Practice
15 questions
Recall
18 flashcards
Mesh Topology
What is Mesh Topology?
Devices connect to multiple (or all) other devices. There are two types: Full Mesh (every device connects to every other device) and Partial Mesh (devices connect to several, but not all, other devices).
How It Works:
- Full Mesh: N devices need N(N-1)/2 connections. Example: 5 devices = 10 connections!
- Partial Mesh: Only critical devices have multiple connections
- Multiple paths: Data can take different routes to reach destination
- Dynamic routing: Network automatically finds best available path
Mesh Topology Advantages:
- No single point of failure: If one connection breaks, data takes alternative path
- Very reliable: Multiple paths ensure network stays up
- High bandwidth: Multiple simultaneous connections distribute traffic
- Fault tolerant: Network continues even with multiple failures
- Secure: Data can be routed away from compromised paths
Mesh Topology Disadvantages:
- Very expensive: Massive amount of cabling needed (full mesh)
- Complex installation: Difficult to set up and configure
- Difficult maintenance: Many connections to manage
- Wasted capacity: Many redundant connections sit idle
- High power consumption: Many NICs needed (full mesh: N-1 per device)
Common Uses:
- Critical infrastructure: Military, emergency services, hospitals
- Internet backbone: ISP routers use partial mesh
- Wireless mesh networks: WiFi extenders creating multiple paths
- Data centers: Servers with multiple redundant connections