Routing Metrics

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Description
Virtual Practice Lab
Practice Test
Routing Metrics

Routing Metrics

This lesson discusses routing metrics and the qualities used to determine the best path:

  • Hop count: how many other routers does a signal need to pass?
  • Maximum transmission Unit (MTU): The maximum size of a single packet we can send
  • Casts: reliability
  • Latency: The amount of delay we have on a link.

Routers use different protocols to determine the best path:

  • Link state: This is a cost-based protocol. An example of a link state is Open Shortest Path First (OSPF) protocol
  • Distance Vector: Just based on the number of ‘hops’
  • Hybrid: A mixture of distance vector and link state, it uses ‘hop’ count and cost
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